Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yuichi Katayama — 1 Patent

MIMitsuba: 1 patents #291 of 618Top 50%
Kiryu City, JP: #232 of 360 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Yuichi Katayama has been granted 1 US patent while listed as an inventor at Mitsuba. All of these patents were granted in 2013. Yuichi Katayama ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Yuichi Katayama in Kiryu City, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8342808 Cooling fan Hidetake Ota, Hirohiko Maekawa 2013-01-01