Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kaoru Koketsu — 4 Patents

Denso: 4 patents #3,129 of 11,792Top 30%
Toyota: 1 patents #15,486 of 26,838Top 60%
Kariya, JP: #1,823 of 4,822 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Kaoru Koketsu has been granted 4 US patents while listed as an inventor at Denso. The first was granted in 2019 and the most recent in December 2021. Kaoru Koketsu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kaoru Koketsu in Kariya, JP.

Patents per Year

Patents granted per year, 2019 to 2021Bar chart with a peak of 2 patents in 2019.peak 22019: 2 patents20192020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11201545 Power conversion system control device and control system Seiji Iyasu, Yuichi Handa, Yuji Hayashi 2021-12-14
10848068 Power conversion system control device and control system Seiji Iyasu, Yuichi Handa, Yuji Hayashi 2020-11-24
10256719 Power supply device Keiichi Ando, Yuichi Handa, Kimikazu Nakamura, Yuki Yamada, Seiji Iyasu +1 more 2019-04-09
10232735 Control device for power supply system Yuichi Handa, Seiji Iyasu, Takashi Nozawa 2019-03-19

Frequent Collaborators

Seiji Iyasu4 shared
Yuichi Handa4 shared
Yuji Hayashi2 shared
Kimikazu Nakamura1 shared
Keiichi Ando1 shared
Yuki Yamada1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4