Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sinji Hakamata — 1 Patent

Denso: 1 patents #6,940 of 11,792Top 60%
JTJtekt: 1 patents #1,102 of 1,969Top 60%
Toyota, JP: #3,208 of 5,020 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Sinji Hakamata has been granted 1 US patent while listed as an inventor at Denso. All of these patents were granted in 2011. Sinji Hakamata ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Sinji Hakamata in Toyota, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8020454 Torque detection device and electric power steering apparatus using the same Toshiharu Ishihara, Yoshitomo Tokumoto, Kaname Joushita, Tomoharu Horiuchi, Noriyuki Yahata +1 more 2011-09-20