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USPTO Patent Rankings Data through Dec 31, 2025
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Ippei Funato — 4 Patents

Denso: 3 patents #3,857 of 11,792Top 35%
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
Ippei Funato has been granted 4 US patents while listed as an inventor at Denso. The first was granted in 2018 and the most recent in May 2022. Ippei Funato ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ippei Funato in Kariya, JP.

Patents per Year

Patents granted per year, 2018 to 2022Bar chart with a peak of 2 patents in 2021.peak 22018: 1 patents20182021: 2 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11333122 Ignition control system — 2022-05-17
11204012 Cylinder head structure of internal combustion engine Naoyoshi Matsubara, Yoshihiro Kominami 2021-12-21 $1,437,000
11199170 Ignition control device Akimitsu Sugiura, Kanechiyo Terada 2021-12-14
10132287 Ignition control system Kenji Hattori 2018-11-20

Frequent Collaborators

Yoshihiro Kominami1 shared
Kenji Hattori1 shared
Kanechiyo Terada1 shared
Naoyoshi Matsubara1 shared
Akimitsu Sugiura1 shared

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