The Technical Field "培養" had 1,019 patent application filings in the most recent period (2022-01-01 to 2022-08-31). This is a significantly decreased of -507 filings (-33.2%) over 1,526 they had in the same period of the previous year (2021-01-01 to 2021-08-31). This report also includes technical terms related to " 培養方法 ", " 培養法 " in the search set.
The highest number of filings in 2016 with 3,224 cases, and their lowest number in 2022 with 1,187 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 12,086 cases in total) is 2,014, and the median is 2,354. The coefficient of variation (standard deviation/mean) is 0.5, and there have been big fluctuations in the number of filings from year to year.
Index | Value |
---|---|
Average | 2,014 patents |
Std Dev | 1,058 |
COV | 0.5 |
Year | Cases | YOY |
---|---|---|
2022 year | 1,187 cases | -47.9 % |
2021 year | 2,280 cases | -6.13 % |
2020 year | 2,429 cases | -20.52 % |
This report provides the latest patent analysis information (the IP landscape, including a patent map) on the patent search results of the JP patent database for 培養 for the period of the last 10 years (2014-01-01 to 2024-04-30). You can compare the information in this report with the trends in your competitors’ patent filings and technologies, and use it to search for important patents.
This service provides, free of charge, a patent analysis report based on the latest patent data (Japanese, U.S., European, and PCT application publications) for use in patent searches, patent analysis, and IP landscaping. The service is offered by "Patent Integration" a firm specializing in patent search/patent analysis.
This report includes basic information to help you understand the IP strategy and management of 培養, such as changes in the number of patents/patent applications they have filed, comparisons of the numbers of patents/patent applications filed by their peers and competitors, their top coapplicants (joint research partners, alliance partners), and their most important patents. It can be used in various intellectual property business operations such as IP landscaping, patent search/patent analysis, preparation of intellectual property business evaluation reports, selection of M&A candidates, and selection of alliance partners.
He is a patent attorney at a patent office. He specializes in invention counseling, patent filing, and intellectual property strategies for start-up companies and new businesses in the fields of software, information technology and artificial intelligence. He runs a patent course for beginners on Udemy, an online course provider.
After studying physics at the University of Tokyo as a doctoral student, he was engaged in intellectual property analysis and technology trend research as an in-house patent attorney at a precision equipment manufacturer and at Toyota Central R&D Labs. Inc..
The concept of the "IP landscape" (IPL) has been attracting attention recently.
An IP landscape is not limited to patent information, but also integrates and analyzes business information (e.g., non-patent information such as papers, news releases, stock information, and market information). Intellectual-property-based business management is realized through the analysis of intellectual property information applied to the formulation of management strategies and business strategies. This is a comprehensive approach that includes but not limited to planning of open and closed strategies, selecting M&A candidates, searching for alliance partners, and formulating intellectual property strategies, through the exploitation of intellectual property information.
IP landscaping usually includes patent search and patent analysis. In patent search and patent analysis, it is important to grasp the market position of each company and the overall technological trends and development trends for each technology. More specifically, it is important to understand what intellectual property your own company and other companies hold, what the strengths and weaknesses of other companies are, and how other companies are trying to exploit their intellectual property. In other words, it is important to understand both the business strategy and the intellectual property strategy of each company.
After reading this search report, you may be interested in more detailed patent searches and patent analysis. We offer a service called Patent Integration, which is an integrated patent search and patent analysis service. With reasonable pricing and a simple user interface such that even beginners can quickly search for and analyze patent information by company or technology from a web browser, please consider using it for detailed patent searches, patent analysis, and IP landscaping.
Patent Integration has a patent-landscaping function that can visually represent a set of tens of thousands of patents/patent applications. This allows you to convincingly show the technical positions of your company and its competitors to your management and business strategists in order to formulate management strategies and business strategies.
The changes in the number of patent filings of 培養 over the last 20 years (JP) are shown below.
The change in the number of patents/patent applications is the most basic index in patent analysis. By examining the change in the number of patents/patent applications, you can see the status of technological development and R&D focus for each company or technology. It should be noted that since there is a one and a half year lag between the filing and the laying open of patent applications, it is not possible to analyze the situation more recently than one and half years prior to the present.
In this report, you can only see the change in the number of patents/patent applications by company or technology, whereas Patent Integration allows you to quickly compare the number of patent applications with your competitors in each technical field by cross-referencing with other keywords and patent classifications.
This patent analysis report was created for a patent search set of 23,928 cases retrieved by applying the following search formula and analysis period to the following patent database. Patent information such as a patent analysis result, a patent map, and a patent landscape can be freely used for patent searches, analysis, and work on intellectual property strategies, including IP landscaping.
The number of patents and changes in the number of patents of other companies (competitors) in the same industry as 培養 are shown below.
Comparison of changes in the number of patents with peers and competitors is an important analytical index for understanding the intellectual property strategies of each company. By checking the transition of the number of patents for each company / competitor, you can check the status of focus on technology development and R&D for each company / technology.
It should be noted that patents have a time lag of one and a half years from filing to publication, so it is not possible to analyze the situation more recent than one and a half years.
If you want to find out more information, " Patent Integration , You can compare the number of patent applications with competitors in each technical field in a short time by multiplying with other keywords and patent classifications.Please use it for more detailed patent information analysis such as selection of M&A candidate destinations and alliance destinations.
Comparing the number of applications of each company, 株式会社カネカ has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 17 cases, followed by 花王株式会社 with 15 cases.
Name | Cases |
---|---|
株式会社カネカ | 17 cases |
花王株式会社 | 15 cases |
国立研究開発法人産業技術総合研究所 | 9 cases |
味の素株式会社 | 7 cases |
ジェネンテックインコーポレイテッド | 5 cases |
株式会社日立製作所 | 4 cases |
東レ株式会社 | 4 cases |
大日本印刷株式会社 | 3 cases |
武田薬品工業株式会社 | 2 cases |
Comparing the number of applications of each company, ジェネンテックインコーポレイテッド has the highest number of joint applications in the last for the target period (2014 to 2024) with 269 cases, followed by 大日本印刷株式会社 with 172 cases.
Name | Cases |
---|---|
ジェネンテックインコーポレイテッド | 269 cases |
大日本印刷株式会社 | 172 cases |
味の素株式会社 | 161 cases |
国立研究開発法人産業技術総合研究所 | 155 cases |
花王株式会社 | 147 cases |
株式会社カネカ | 132 cases |
株式会社日立製作所 | 82 cases |
武田薬品工業株式会社 | 58 cases |
東レ株式会社 | 55 cases |
協和キリン株式会社 | 32 cases |
Below is a patent map showing changes in the number of applications for JP patents of 11 companies in the same industry over the past 20 years.
The number of patents and changes in the number of patents of other companies (competitors) in the same industry as 培養 are shown below.
Comparison of changes in the number of patents with peers and competitors is an important analytical index for understanding the intellectual property strategies of each company. By checking the transition of the number of patents for each company / competitor, you can check the status of focus on technology development and R&D for each company / technology.
It should be noted that patents have a time lag of one and a half years from filing to publication, so it is not possible to analyze the situation more recent than one and a half years.
If you want to find out more information, " Patent Integration , You can compare the number of patent applications with competitors in each technical field in a short time by multiplying with other keywords and patent classifications.Please use it for more detailed patent information analysis such as selection of M&A candidate destinations and alliance destinations.
Among the top coapplicants, 株式会社カネカ has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 17 cases, followed by 花王株式会社 with 15 cases.
Name | Cases |
---|---|
株式会社カネカ | 17 cases |
花王株式会社 | 15 cases |
国立研究開発法人産業技術総合研究所 | 9 cases |
味の素株式会社 | 7 cases |
ジェネンテックインコーポレイテッド | 5 cases |
武田薬品工業株式会社 | 2 cases |
Among the top coapplicants, ジェネンテックインコーポレイテッド has the highest number of joint applications in the last for the target period (2014 to 2024) with 269 cases, followed by 味の素株式会社 with 161 cases.
Name | Cases |
---|---|
ジェネンテックインコーポレイテッド | 269 cases |
味の素株式会社 | 161 cases |
国立研究開発法人産業技術総合研究所 | 155 cases |
花王株式会社 | 147 cases |
株式会社カネカ | 132 cases |
武田薬品工業株式会社 | 58 cases |
Below is a ranking of the number of JP patent applications by 培養’s top 7 coapplicants over the last 20 years.
Below is a patent map showing the changes in the numbers of JP patent filings by 培養’s top 7 coapplicants over the last 20 years.
培養 filed 161 joint applications with 味の素株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 59 cases in total) is 9.8, and the median is 7.0. The coefficient of variation (standard deviation/mean) is 0.8, and there have been relatively large fluctuations in the number of filings from year to year.
The number of filings has been increasing for the last 3 years (2020 to 2023). The highest number of filings in 2016 with 27 cases, and their lowest number in 2021 with 2 cases.
Index | Value |
---|---|
Average | 9.8 patents |
Std Dev | 8.0 |
COV | 0.8 |
Year | Cases | YOY |
---|---|---|
2022 year | 3 cases | +50.0 % |
2021 year | 2 cases | -80.0 % |
2020 year | 10 cases | -58.3 % |
培養 filed 58 joint applications with 武田薬品工業株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 36 cases in total) is 6.0, and the median is 6.5. The coefficient of variation (standard deviation/mean) is 0.7, and there have been relatively large fluctuations in the number of filings from year to year.
The highest number of filings in 2019 with 11 cases, and their lowest number in 2022 with 2 cases.
Index | Value |
---|---|
Average | 6.0 patents |
Std Dev | 4.0 |
COV | 0.7 |
Year | Cases | YOY |
---|---|---|
2022 year | 2 cases | -60.0 % |
2021 year | 5 cases | -37.5 % |
2020 year | 8 cases | -27.27 % |
培養 filed 269 joint applications with ジェネンテックインコーポレイテッド for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 74 cases in total) is 12.3, and the median is 15.5. The coefficient of variation (standard deviation/mean) is 0.6, and there have been big fluctuations in the number of filings from year to year.
The number of filings has been decreasing for the last 3 years (2020 to 2023). The highest number of filings in 2016 with 60 cases, and their lowest number in 2022 with 5 cases.
Index | Value |
---|---|
Average | 12.3 patents |
Std Dev | 7.3 |
COV | 0.6 |
Year | Cases | YOY |
---|---|---|
2022 year | 5 cases | -76.2 % |
2021 year | 21 cases | +40.0 % |
2020 year | 15 cases | -11.76 % |
培養 filed 155 joint applications with 国立研究開発法人産業技術総合研究所 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 72 cases in total) is 12.0, and the median is 12.0. The coefficient of variation (standard deviation/mean) is 0.6, and there have been relatively large fluctuations in the number of filings from year to year.
The highest number of filings in 2014 with 26 cases, and their lowest number in 2022 with 9 cases.
Index | Value |
---|---|
Average | 12.0 patents |
Std Dev | 7.2 |
COV | 0.6 |
Year | Cases | YOY |
---|---|---|
2022 year | 9 cases | -10.00 % |
2021 year | 10 cases | -33.3 % |
2020 year | 15 cases | +7.14 % |
培養 filed 132 joint applications with 株式会社カネカ for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 65 cases in total) is 10.8, and the median is 11.0. The coefficient of variation (standard deviation/mean) is 0.4, and there have been big fluctuations in the number of filings from year to year.
The number of filings has been increasing for the last 3 years (2020 to 2023). The highest number of filings in 2019 with 18 cases, and their lowest number in 2020 with 8 cases.
Index | Value |
---|---|
Average | 10.8 patents |
Std Dev | 4.8 |
COV | 0.4 |
Year | Cases | YOY |
---|---|---|
2022 year | 14 cases | +55.6 % |
2021 year | 9 cases | +12.50 % |
2020 year | 8 cases | -55.6 % |
The following shows JP patents held by 培養 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 培養’s JP patents/patent applications of high importance cited by Examiners in patent examination processes.
By noting the most important patents, you can obtain knowledge of the competitive business environment in which 培養 is placed (e.g., whether it is a fiercely competitive environment or an oligopolistic market and the like). In general, it can be understood that a company with a large number of demands for invalidation trials is developing their business in a business environment where IP disputes are common.
If you want to search for more detailed information, you can use Patent Integration to retrieve and download by company cited patents/patent applications or patents undergoing invalidation trials. You can quickly extract important patents from a patent set that includes multiple competitors by cross-referencing with other keywords and patent classifications. Please consider using it for searches for important patents/patent applications.
In the last 3 years (2021-05-01 ~ 2024-04-30), there were 7 patents Invalidation Trial from third parties. The average number of Invalidation Trial is 1.0 times. The most recently Invalidation Trial patent is 特許7083802 "グリコシル化された免疫グロブリンの調製方法" (Invalidation Trial day 2023-02-22) , next is 特許6896700 "ワクチン組成物" (Invalidation Trial day 2023-01-27) .
- | No. | Title | Invalidation Trial days |
---|---|---|---|
1 | 特許7083802 | グリコシル化された免疫グロブリンの調製方法 | 2023-02-22 |
2 | 特許6896700 | ワクチン組成物 | 2023-01-27 |
3 | 特許4414623 | 病原微生物および抗微生物剤の検出法、抗微生物剤の薬効評価法ならびに抗微生物剤 | 2023-01-11 |
4 | 特許6813851 | 照明装置 | 2022-07-27 |
5 | 特許6278598 | 細胞傷害誘導治療剤 | 2022-03-31 |
6 | 特許6773929 | 細胞傷害誘導治療剤 | 2022-03-31 |
7 | 特許6738314 | BCMAおよびCD3に対する結合分子 | 2021-07-02 |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 3 patents/patent applications were invalidation trial more than once in the examination process of other patent applications. The mean of the number of invalidation trial is 1.0. The most invalidation trial patent is 特許6813851 "照明装置" (1 times) , and the next most invalidation trial patent is 特許6896700 "ワクチン組成物" (1 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許6813851 | 照明装置 | 1 times |
2 | 特許6896700 | ワクチン組成物 | 1 times |
3 | 特許6718561 | 活性型GcMAFの製造方法 | 1 times |
In the last 3 years (2021-05-01 ~ 2024-04-30), there were 26 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7317275 "植物成長促進組成物" (Opposition day 2024-01-31) , next is 特許7316745 "三次元組織体" (Opposition day 2024-01-24) .
- | No. | Title | Opposition days |
---|---|---|---|
1 | 特許7317275 | 植物成長促進組成物 | 2024-01-31 |
2 | 特許7316745 | 三次元組織体 | 2024-01-24 |
3 | 特許7305630 | N-アセチルノイラミン酸の発酵生産 | 2024-01-09 |
4 | 特許7298844 | 細胞培養物の製造方法 | 2023-12-26 |
5 | 特許7291217 | 足場非依存性細胞およびその使用 | 2023-12-14 |
6 | 特許7262385 | 心筋細胞の成熟 | 2023-10-18 |
7 | 特許7227211 | 人工三次元皮膚組織、そのアレイ、およびその製造方法 | 2023-08-21 |
8 | 特許7219225 | ジオキサン分解菌固定担体、生分解処理方法、および生分解処理装置 | 2023-08-02 |
9 | 特許7168454 | 固体表面のスパイダーシルクコーティング | 2023-05-08 |
10 | 特許7136724 | コアセルベートを含む、乳成分非含有チーズ代替品 | 2023-03-08 |
In the last 3 years (2021-05-01 ~ 2024-04-30), there were 88 patents Protest from third parties. The average number of Protest is 1.4 times. The most recently Protest patent is 特開2022-032977 "ポリマー繊維を生産するためのデバイス及び方法、ならびにそのポリマー繊維の使用" (Protest day 2024-03-06) , next is 特許7038388 "医療システム及びそれを実行する方法" (Protest day 2024-02-14) .
- | No. | Title | Protest days |
---|---|---|---|
1 | 特開2022-032977 | ポリマー繊維を生産するためのデバイス及び方法、ならびにそのポリマー繊維の使用 | 2024-03-06 |
2 | 特許7038388 | 医療システム及びそれを実行する方法 | 2024-02-14 |
3 | 特開2022-068362 | 医療システム及びそれを実行する方法 | 2024-02-10 |
4 | 特表2023-544184 | 接着細胞からのウイルスのバイオリアクター生成 | 2024-02-01 |
5 | 特開2023-052609 | 細胞培養物の製造方法 | 2024-01-23 |
6 | 再公表2019/044559 | 製造装置、システム及び方法 | 2024-01-22 |
7 | 特表2022-550078 | 5’-グアニル酸二ナトリウム七水和物結晶の製造方法 | 2024-01-19 |
8 | 特開2022-049288 | ビフィズス菌増殖促進効果のある食品素材 | 2024-01-16 |
9 | 特表2022-548197 | 抗VEGFタンパク質組成物及びその製造方法 | 2024-01-15 |
10 | 特開2023-105251 | エクオール含有組成物の製造方法 | 2023-12-18 |
11 | 特表2022-548481 | 高剪断可溶化を介してスパイダーシルクタンパク質を単離するための方法 | 2023-11-29 |
12 | 特開2021-186662 | 使い捨て着用物品 | 2023-11-22 |
13 | 特開2020-114266 | IgG Fcドメインを有する融合タンパク質の生産方法 | 2023-10-30 |
14 | 特表2022-521345 | 食品製品を栄養強化するためのコリン及びオメガ-3脂肪酸を含む組成物 | 2023-10-30 |
15 | 特許7422056 | エクオール含有食品組成物およびその製造方法 | 2023-10-26 |
16 | 特許7471069 | 移植片の活性を高める方法 | 2023-08-09 |
17 | 特表2021-522805 | hMPCの集団をゼノフリー生成するための方法 | 2023-07-25 |
18 | 特許7427180 | 毛包原基及びその製造方法 | 2023-07-19 |
19 | 特表2021-503278 | CasZ組成物及び使用方法 | 2023-07-06 |
20 | 特開2020-152653 | JNK活性化用組成物 | 2023-06-22 |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 208 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.4. The most protest patent is 特許7128530 "油脂含有排水処理方法、システムおよび装置" (6 times) , and the next most protest patent is 特許6529907 "マイコプラズマ・ニューモニエの免疫学的検出法およびキット" (6 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許7128530 | 油脂含有排水処理方法、システムおよび装置 | 6 times |
2 | 特許6529907 | マイコプラズマ・ニューモニエの免疫学的検出法およびキット | 6 times |
3 | 特許7101362 | 1,2-ジヒドロキシ-5-(メチルスルフィニル)ペンタン-3-オンの生成能が低い酵母の作出方法 | 6 times |
4 | 特許6616332 | マイコプラズマ・ニューモニエの免疫学的検出法及びキット | 5 times |
5 | 特許6588824 | 生姜入り液体飲料 | 5 times |
In the last 3 years (2021-05-01 ~ 2024-04-30), there were 386 patents Inspection from third parties. The average number of Inspection is 1.5 times. The most recently Inspection patent is 特表2021-505168 "操作されたT細胞の組成物を製造するための方法" (Inspection day 2024-03-26) , next is 特開2022-104994 "細胞培養のための細胞外マトリクス組成物ビーズ" (Inspection day 2024-03-26) .
- | No. | Title | Inspection days |
---|---|---|---|
1 | 特表2021-505168 | 操作されたT細胞の組成物を製造するための方法 | 2024-03-26 |
2 | 特開2022-104994 | 細胞培養のための細胞外マトリクス組成物ビーズ | 2024-03-26 |
3 | 特許7433800 | 麹菌の液体組織培養物の製造および利用方法 | 2024-03-25 |
4 | 特表2020-506708 | CO2および他のC1基質の、ビーガン栄養素、肥料、バイオスティミュラント、および土壌炭素隔離の加速のためのシステムへの微生物変換 | 2024-03-19 |
5 | 特表2022-552052 | 抗VEGFタンパク質組成物及びその製造方法 | 2024-03-19 |
6 | 特表2021-516049 | 組換えT細胞受容体遺伝子を用いて細胞ベースの治療薬を製造するための技法 | 2024-03-19 |
7 | 再公表2019/044559 | 製造装置、システム及び方法 | 2024-03-15 |
8 | 特開2022-032977 | ポリマー繊維を生産するためのデバイス及び方法、ならびにそのポリマー繊維の使用 | 2024-03-14 |
9 | 特許7038388 | 医療システム及びそれを実行する方法 | 2024-03-07 |
10 | 特開2022-068362 | 医療システム及びそれを実行する方法 | 2024-03-04 |
11 | 特開2022-081543 | 抗TREM2抗体及びその使用方法 | 2024-02-27 |
12 | 特表2021-531276 | 完全ヒトグリコシル化ヒトα−L−イズロニダーゼ(IDUA)を用いたムコ多糖症I型の治療 | 2024-02-22 |
13 | 特表2022-550078 | 5’-グアニル酸二ナトリウム七水和物結晶の製造方法 | 2024-02-19 |
14 | 特表2022-548197 | 抗VEGFタンパク質組成物及びその製造方法 | 2024-02-15 |
15 | 特表2021-510548 | 遺伝子治療のためのポリマーカプセル化されたウイルスベクター | 2024-02-14 |
16 | 特表2023-544184 | 接着細胞からのウイルスのバイオリアクター生成 | 2024-02-09 |
17 | 特開2021-003129 | ヒトα−ガラクトシダーゼバリアント | 2024-02-08 |
18 | 特表2020-516615 | 上皮バリア機能障害の治療のためのタンパク質 | 2024-02-07 |
19 | 特表2022-547652 | 抗VEGFタンパク質組成物及びその製造方法 | 2024-02-07 |
20 | 特表2022-504472 | HER2結合四量体ポリペプチド | 2024-02-05 |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 752 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.3. The most inspection patent is 特許6529907 "マイコプラズマ・ニューモニエの免疫学的検出法およびキット" (16 times) , and the next most inspection patent is 特開2020-048414 "海藻類の陸上養殖方法及び陸上養殖装置" (14 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許6529907 | マイコプラズマ・ニューモニエの免疫学的検出法およびキット | 16 times |
2 | 特開2020-048414 | 海藻類の陸上養殖方法及び陸上養殖装置 | 14 times |
3 | 特許7433800 | 麹菌の液体組織培養物の製造および利用方法 | 13 times |
4 | 特開2019-210216 | 皮膚外用剤又は化粧料 | 13 times |
5 | 特許6616332 | マイコプラズマ・ニューモニエの免疫学的検出法及びキット | 9 times |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 3,615 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.1. The most cited patent is 特許6232009 "CDRのアミノ酸置換により抗体の等電点を改変する方法" (37 times) , and the next most cited patent is 特表2016-524915 "MDCK、ベロ細胞又は卵内で増強された複製を有する高力価の組換えインフルエンザウイルス" (21 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許6232009 | CDRのアミノ酸置換により抗体の等電点を改変する方法 | 37 times |
2 | 特表2016-524915 | MDCK、ベロ細胞又は卵内で増強された複製を有する高力価の組換えインフルエンザウイルス | 21 times |
3 | 特許6449571 | 経口組成物 | 19 times |
4 | 特許6693872 | 多重特異性抗体、多重特異性活性化可能抗体、及びそれらの使用方法 | 18 times |
5 | 特許6375329 | ベロ細胞において増強された複製を有する高力価の組換えインフルエンザウイルス | 18 times |
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