To perform a secondary search based on date conditions such as filing date and publication date, click the calendar icon.
By opening the secondary search function you can check the distribution of patents included in the primary search results.
Select the date information you want to narrow down.
The selection range can be adjusted with the mouse.
By selecting the range you want to search secondarily and clicking the "MINING" button, you can narrow down the primary search results in the relevant date range.
The secondary search history once generated can be easily restored by double clicking on the history of the yellow area on the right side of the screen.
You can also display a list from the history window of Search Result Control.