The Technical Field "添加剤" had 1,032 patent application filings in the most recent period (2022-01-01 to 2022-08-31). This is a significantly decreased of -433 filings (-29.6%) over 1,465 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 " 添加物 ", " 添加物質 " in the search set.
The highest number of filings in 2014 with 3,063 cases, and their lowest number in 2022 with 1,241 cases.
The mean of the number of filings over the last 5 years (2018 to 2023, 11,771 cases in total) is 1,962, and the median is 2,374. 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 | 1,962 patents |
Std Dev | 951 |
COV | 0.5 |
Year | Cases | YOY |
---|---|---|
2022 year | 1,241 cases | -46.5 % |
2021 year | 2,319 cases | -4.53 % |
2020 year | 2,429 cases | -9.80 % |
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 添加剤 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 添加剤, 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 添加剤 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 23,843 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 添加剤 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, 三洋化成工業株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 20 cases, followed by エボニックオペレーションズゲーエムベーハー with 20 cases.
Name | Cases |
---|---|
三洋化成工業株式会社 | 20 cases |
エボニックオペレーションズゲーエムベーハー | 20 cases |
ビーエーエスエフソシエタス・ヨーロピア | 11 cases |
メルクパテントゲゼルシャフトミットベシュレンクテルハフツング | 10 cases |
三井化学株式会社 | 8 cases |
ダウグローバルテクノロジーズエルエルシー | 7 cases |
バイエル・アクチエンゲゼルシヤフト | 2 cases |
株式会社リコー | 2 cases |
ロレアル | 1 cases |
Comparing the number of applications of each company, ビーエーエスエフソシエタス・ヨーロピア has the highest number of joint applications in the last for the target period (2014 to 2024) with 471 cases, followed by ダウグローバルテクノロジーズエルエルシー with 328 cases.
Name | Cases |
---|---|
ビーエーエスエフソシエタス・ヨーロピア | 471 cases |
ダウグローバルテクノロジーズエルエルシー | 328 cases |
メルクパテントゲゼルシャフトミットベシュレンクテルハフツング | 325 cases |
エボニックオペレーションズゲーエムベーハー | 243 cases |
三井化学株式会社 | 158 cases |
三洋化成工業株式会社 | 126 cases |
ロレアル | 42 cases |
株式会社リコー | 34 cases |
バイエル・アクチエンゲゼルシヤフト | 32 cases |
パナソニックホールディングス株式会社 | 13 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 添加剤 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, 三洋化成工業株式会社 has the highest number of joint applications in the last in the last 3 years (2022 to 2024) with 20 cases, followed by ビーエーエスエフソシエタス・ヨーロピア with 11 cases.
Name | Cases |
---|---|
三洋化成工業株式会社 | 20 cases |
ビーエーエスエフソシエタス・ヨーロピア | 11 cases |
三井化学株式会社 | 8 cases |
ダウグローバルテクノロジーズエルエルシー | 7 cases |
バイエル・アクチエンゲゼルシヤフト | 2 cases |
ロレアル | 1 cases |
Among the top coapplicants, ビーエーエスエフソシエタス・ヨーロピア has the highest number of joint applications in the last for the target period (2014 to 2024) with 471 cases, followed by ダウグローバルテクノロジーズエルエルシー with 328 cases.
Name | Cases |
---|---|
ビーエーエスエフソシエタス・ヨーロピア | 471 cases |
ダウグローバルテクノロジーズエルエルシー | 328 cases |
三井化学株式会社 | 158 cases |
三洋化成工業株式会社 | 126 cases |
ロレアル | 42 cases |
バイエル・アクチエンゲゼルシヤフト | 32 cases |
パナソニックホールディングス株式会社 | 13 cases |
Below is a ranking of the number of JP patent applications by 添加剤’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 添加剤’s top 7 coapplicants over the last 20 years.
添加剤 filed 471 joint applications with ビーエーエスエフソシエタス・ヨーロピア for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 202 cases in total) is 33.7, and the median is 41.0. 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 84 cases, and their lowest number in 2022 with 11 cases.
Index | Value |
---|---|
Average | 33.7 patents |
Std Dev | 21.1 |
COV | 0.6 |
Year | Cases | YOY |
---|---|---|
2022 year | 11 cases | -71.8 % |
2021 year | 39 cases | -22.00 % |
2020 year | 50 cases | +16.28 % |
添加剤 filed 158 joint applications with 三井化学株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 91 cases in total) is 15.2, and the median is 14.0. 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 2018 with 28 cases, and their lowest number in 2022 with 8 cases.
Index | Value |
---|---|
Average | 15.2 patents |
Std Dev | 10.0 |
COV | 0.7 |
Year | Cases | YOY |
---|---|---|
2022 year | 8 cases | -33.3 % |
2021 year | 12 cases | -25.00 % |
2020 year | 16 cases | -40.7 % |
添加剤 filed 13 joint applications with パナソニックホールディングス株式会社 for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 8 cases in total) is 1.3, and the median is 0. The coefficient of variation (standard deviation/mean) is 2.2, and there have been very big fluctuations in the number of filings from year to year.
The highest number of filings in 2018 with 8 cases, and their lowest number in 2022 with 0 cases.
Index | Value |
---|---|
Average | 1.3 patents |
Std Dev | 3.0 |
COV | 2.2 |
Year | Cases | YOY |
---|---|---|
2018 year | 8 cases | +700 % |
2017 year | 1 cases | - |
2016 year | 0 cases | -100 % |
添加剤 filed 32 joint applications with バイエル・アクチエンゲゼルシヤフト for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 32 cases in total) is 5.3, and the median is 3.5. The coefficient of variation (standard deviation/mean) is 0.9, and there have been relatively large 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 2021 with 13 cases, and their lowest number in 2017 with 0 cases.
Index | Value |
---|---|
Average | 5.3 patents |
Std Dev | 4.7 |
COV | 0.9 |
Year | Cases | YOY |
---|---|---|
2022 year | 2 cases | -84.6 % |
2021 year | 13 cases | +30.0 % |
2020 year | 10 cases | +100 % |
添加剤 filed 328 joint applications with ダウグローバルテクノロジーズエルエルシー for the analysis period (2014 to 2024).
The mean of the number of filings over the last 5 years (2018 to 2023, 172 cases in total) is 28.7, and the median is 31.5. 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 53 cases, and their lowest number in 2022 with 7 cases.
Index | Value |
---|---|
Average | 28.7 patents |
Std Dev | 19.7 |
COV | 0.7 |
Year | Cases | YOY |
---|---|---|
2022 year | 7 cases | -76.7 % |
2021 year | 30 cases | -9.09 % |
2020 year | 33 cases | -37.7 % |
The following shows JP patents held by 添加剤 that have had an invalidation trial against them demanded or an opposition filed against them by a third party, and 添加剤’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 添加剤 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 2 patents Invalidation Trial from third parties. The average number of Invalidation Trial is 1.5 times. The most recently Invalidation Trial patent is 特許6752537 "太陽光発電モジュール用シーリング材及びその製造方法" (Invalidation Trial day 2022-12-28) , next is 特許6271318 "セルロース系水溶性増粘剤" (Invalidation Trial day 2022-10-04) .
- | No. | Title | Invalidation Trial days |
---|---|---|---|
1 | 特許6752537 | 太陽光発電モジュール用シーリング材及びその製造方法 | 2022-12-28 |
2 | 特許6271318 | セルロース系水溶性増粘剤 | 2022-10-04 |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 1 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6752537 "太陽光発電モジュール用シーリング材及びその製造方法" (1 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許6752537 | 太陽光発電モジュール用シーリング材及びその製造方法 | 1 times |
In the last 3 years (2021-05-01 ~ 2024-04-30), there were 77 patents Opposition from third parties. The average number of Opposition is 1.0 times. The most recently Opposition patent is 特許7323718 "ビニルアルコール系重合体及びその用途" (Opposition day 2024-02-01) , next is 特許7317000 "粒子システムと方法" (Opposition day 2024-01-26) .
- | No. | Title | Opposition days |
---|---|---|---|
1 | 特許7323718 | ビニルアルコール系重合体及びその用途 | 2024-02-01 |
2 | 特許7317000 | 粒子システムと方法 | 2024-01-26 |
3 | 特許7299306 | 光学材料の製造方法、光学材料用重合性組成物 | 2023-12-27 |
4 | 特許7304186 | 保持パッド及びその製造方法 | 2023-12-27 |
5 | 特許7274641 | ヒートシール積層体及び包装体 | 2023-11-14 |
6 | 特許7308329 | GABAを有効成分とするサルコペニア予防または改善剤 | 2023-10-26 |
7 | 特許7251850 | 脂肪酸エステル混合物 | 2023-10-03 |
8 | 特許7237910 | ポリ(アリーレン-エーテル-ケトン)(PAEK)から製造された組成物を安定化させる方法 | 2023-09-12 |
9 | 特許7233378 | ポリ(エーテルエーテルケトン)ポリマー成分を用いた3次元物体の製造方法 | 2023-09-06 |
10 | 特許7227291 | 改善された疎水性エアロゲル材料 | 2023-08-21 |
In the last 3 years (2021-05-01 ~ 2024-04-30), there were 256 patents Protest from third parties. The average number of Protest is 1.4 times. The most recently Protest patent is 特開2024-010723 "固形粉体化粧料" (Protest day 2024-03-21) , next is 特表2023-511307 "高屈折率インプリント組成物と材料及びそれを作製するためのプロセス" (Protest day 2024-03-12) .
- | No. | Title | Protest days |
---|---|---|---|
1 | 特開2024-010723 | 固形粉体化粧料 | 2024-03-21 |
2 | 特表2023-511307 | 高屈折率インプリント組成物と材料及びそれを作製するためのプロセス | 2024-03-12 |
3 | 特開2023-175745 | 改善された耐高温性を有する石膏建築材料 | 2024-03-08 |
4 | 特表2023-519172 | 胃腸微生物代謝経路及び代謝物を調節する方法 | 2024-03-08 |
5 | 特開2023-099109 | 軟質カビ系チーズ用スターター | 2024-02-27 |
6 | 特開2023-036548 | キシリレンジイソシアネート組成物およびそれを含む光学用重合性組成物 | 2024-02-19 |
7 | 特表2023-534848 | 高吸水性樹脂の製造方法 | 2024-02-16 |
8 | 特開2022-173166 | エピナスチン含有点眼液 | 2024-02-15 |
9 | 特表2023-512026 | Liイオン電池用電極配合物及び無溶媒電極の製造方法 | 2024-02-15 |
10 | 特表2021-518473 | 潤滑剤組成物 | 2024-02-15 |
11 | 特表2022-541411 | 組換えスパイダーシルク押出物製剤 | 2024-02-13 |
12 | 特表2022-513924 | 最適な分子量および粘度の熱可塑性ポリマーを含浸させた繊維材料ならびにその製造方法 | 2024-02-13 |
13 | 特開2021-101009 | 高粘度指数櫛形ポリマー粘度調整剤及びそれを用いて潤滑剤粘度を調整する方法 | 2024-02-07 |
14 | 特表2020-523426 | 組成物ならびに繊維およびテキスタイルを仕上げるためのその使用 | 2024-02-05 |
15 | 特開2021-152068 | エピナスチン含有点眼液 | 2024-01-29 |
16 | 特開2020-125444 | 熱可塑性エラストマー組成物、成形体及び複合成形体 | 2024-01-26 |
17 | 特表2019-531394 | 反りを制限するための、円形断面ガラス繊維を含む脂肪族ポリアミドの混合物中の半芳香族ポリアミドの使用 | 2024-01-24 |
18 | 特表2023-504467 | フッ素化非環状カーボネートとフッ素化環状カーボネートとを有する電解質組成物 | 2024-01-23 |
19 | 特表2023-517945 | 目寄れ防止性能を有する弾性繊維、複合ヤーンおよび布地 | 2024-01-05 |
20 | 特表2023-511719 | Liイオン電池用電極配合物及び無溶媒電極の製造方法 | 2023-12-25 |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 565 patents/patent applications were protest more than once in the examination process of other patent applications. The mean of the number of protest is 1.3. The most protest patent is 特許6902510 "高靭性ポリアミド−セルロース樹脂組成物" (8 times) , and the next most protest patent is 特開2021-152068 "エピナスチン含有点眼液" (6 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許6902510 | 高靭性ポリアミド−セルロース樹脂組成物 | 8 times |
2 | 特開2021-152068 | エピナスチン含有点眼液 | 6 times |
3 | 特開2016-193894 | 生菌含有製剤 | 6 times |
4 | 特許6855156 | チーズおよび/または卵黄高含量冷菓並びにその製造方法 | 5 times |
5 | 特許6320911 | 食物繊維 | 5 times |
In the last 3 years (2021-05-01 ~ 2024-04-30), there were 390 patents Inspection from third parties. The average number of Inspection is 1.6 times. The most recently Inspection patent is 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" (Inspection day 2024-03-19) , next is 特表2023-512026 "Liイオン電池用電極配合物及び無溶媒電極の製造方法" (Inspection day 2024-03-12) .
- | No. | Title | Inspection days |
---|---|---|---|
1 | 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 |
2 | 特表2023-512026 | Liイオン電池用電極配合物及び無溶媒電極の製造方法 | 2024-03-12 |
3 | 特開2022-030317 | ポリオール組成物、発泡性ポリウレタン組成物、及びポリウレタンフォーム | 2024-03-01 |
4 | 特開2021-152068 | エピナスチン含有点眼液 | 2024-02-28 |
5 | 特表2022-513924 | 最適な分子量および粘度の熱可塑性ポリマーを含浸させた繊維材料ならびにその製造方法 | 2024-02-27 |
6 | 特表2019-531394 | 反りを制限するための、円形断面ガラス繊維を含む脂肪族ポリアミドの混合物中の半芳香族ポリアミドの使用 | 2024-02-19 |
7 | 特表2023-504467 | フッ素化非環状カーボネートとフッ素化環状カーボネートとを有する電解質組成物 | 2024-02-15 |
8 | 特表2020-523426 | 組成物ならびに繊維およびテキスタイルを仕上げるためのその使用 | 2024-02-14 |
9 | 特開2021-101009 | 高粘度指数櫛形ポリマー粘度調整剤及びそれを用いて潤滑剤粘度を調整する方法 | 2024-02-08 |
10 | 特表2021-534967 | 濃縮液、希釈液及び添加剤を混合するための飲料ディスペンサヘッド | 2024-02-01 |
11 | 特表2021-514920 | セメント化学 | 2024-02-01 |
12 | 特開2020-125444 | 熱可塑性エラストマー組成物、成形体及び複合成形体 | 2024-01-30 |
13 | 特許6932746 | エンザルタミドの製剤 | 2024-01-25 |
14 | 特許6404217 | エンザルタミドの製剤 | 2024-01-25 |
15 | 特表2023-511719 | Liイオン電池用電極配合物及び無溶媒電極の製造方法 | 2024-01-23 |
16 | 特開2023-063507 | 電池用非水電解液及びリチウム二次電池 | 2024-01-19 |
17 | 特表2022-525206 | 分岐状分岐状硬質共重合体および軟質ブロック共重合体 | 2024-01-18 |
18 | 特表2022-524807 | 燃料電池用ガス拡散層および燃料電池 | 2024-01-18 |
19 | 特許6271472 | グリシンを含有する熟眠障害改善剤 | 2024-01-11 |
20 | 特許6829554 | ビールらしい香りと飲み応えを備えた未発酵のビールテイスト飲料 | 2024-01-11 |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 850 patents/patent applications were inspection more than once in the examination process of other patent applications. The mean of the number of inspection is 1.6. The most inspection patent is 特許6142892 "経口投与用医薬組成物" (30 times) , and the next most inspection patent is 特許6902510 "高靭性ポリアミド−セルロース樹脂組成物" (19 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許6142892 | 経口投与用医薬組成物 | 30 times |
2 | 特許6902510 | 高靭性ポリアミド−セルロース樹脂組成物 | 19 times |
3 | 特開2021-152068 | エピナスチン含有点眼液 | 11 times |
4 | 特許6320911 | 食物繊維 | 11 times |
5 | 特開2018-126084 | 食肉用品質改良剤、保温用食品およびその製造方法 | 10 times |
Of the patent applications filed in the last 10 years (2014-05-01 to 2024-04-30), 4,876 patents/patent applications were cited more than once in the examination process of other patent applications. The mean of the number of cited is 2.3. The most cited patent is 特許6099228 "食品製品の提供方法" (54 times) , and the next most cited patent is 特許7003349 "ホメオトロピック配向を有する液晶媒体" (50 times) .
- | No. | Title | |
---|---|---|---|
1 | 特許6099228 | 食品製品の提供方法 | 54 times |
2 | 特許7003349 | ホメオトロピック配向を有する液晶媒体 | 50 times |
3 | 特許6636776 | 化粧シートおよび化粧シートの製造方法 | 36 times |
4 | 特許6857443 | 電池用電極組成物および電池用電極を形成する方法 | 34 times |
5 | 特許6833218 | 非血管狭窄のための薬物コーティングされたバルーンカテーテル | 29 times |
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