Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ryuji Omata — 37 Patents

Denso: 37 patents #103 of 11,792Top 1%
Toyota: 5 patents #5,641 of 26,838Top 25%
Anjo, JP: #55 of 1,609 inventorsTop 4%
Overall (All Time): #89,516 of 4,157,543Top 3%
37 Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
9160267 AC motor control apparatus Takeshi Itoh, Hirofumi Kako 2015-10-13
9154070 Controller for AC motor Takeshi Itoh, Hirofumi Kako 2015-10-06
9120388 Rotating electrical machine drive system Takeshi Itoh, Hirofumi Kako 2015-09-01
9106163 Control device of AC motor Takeshi Itoh, Hirofumi Kako 2015-08-11
9106170 Control device of AC motor Takeshi Itoh, Hirofumi Kako 2015-08-11
9093936 Control apparatus for AC motor Takeshi Itoh, Hirofumi Kako 2015-07-28
9077278 AC motor control apparatus Takeshi Itoh, Hirofumi Kako 2015-07-07
9077273 Control device of AC motor Takeshi Itoh, Hirofumi Kako 2015-07-07
9065378 AC motor control apparatus Takeshi Itoh, Hirofumi Kako 2015-06-23
9065365 Control device of AC motor Takeshi Itoh, Hirofumi Kako 2015-06-23
9007009 Control apparatus for AC motor Takeshi Itoh, Hirofumi Kako 2015-04-14
8917040 AC motor control apparatus Takeshi Itoh, Hirofumi Kako 2014-12-23