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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Masamitsu Nagamine — 1 Patent in 2021

OCOki Electric Industry Co.: 1 patents #6 of 43Top 15%
Tokyo, JP: #5,015 of 13,453 inventorsTop 40%
Overall (2021): #345,342 of 548,734Top 65%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11199650 Lens unit, exposure device, reading head, image forming apparatus, and image reading apparatus Ren Nakamichi, Akihiro Yamamura 2021-12-14