Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryousuke Ookawa — 2 Patents

Panasonic: 2 patents #9,726 of 21,108Top 50%
Nara, JP: #1,379 of 2,795 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ryousuke Ookawa has been granted 2 US patents while listed as an inventor at Panasonic. The first was granted in 2016 and the most recent in December 2017. Ryousuke Ookawa ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ryousuke Ookawa in Nara, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9853126 Semiconductor device with vertical gate and method of manufacturing the same Shuji Mizokuchi, Naoki Sato 2017-12-26
9324837 Semiconductor device with vertical gate and method of manufacturing the same Shuji Mizokuchi, Naoki Sato 2016-04-26