Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Shigeru Simakawa — 1 Patent

Nsk: 1 patents #937 of 1,559Top 65%
Tokyo, JP: #57,845 of 90,295 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Shigeru Simakawa has been granted 1 US patent while listed as an inventor at Nsk. All of these patents were granted in 2019. Shigeru Simakawa ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Shigeru Simakawa in Tokyo, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10192818 Electronic part mounting heat-dissipating substrate Takashi Sunaga, Takaaki Sekine, Teruyoshi Kogure, Ryoichi Suzuki 2019-01-29