Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Akitoshi Usui — 3 Patents

HOHoya: 2 patents #523 of 1,290Top 45%
RSRicoh Industrial Solutions: 1 patents #1 of 7Top 15%
Yokohama, JP: #22,013 of 49,234 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Akitoshi Usui has been granted 3 US patents while listed as an inventor at Hoya. The first was granted in 2018 and the most recent in February 2025. Akitoshi Usui ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Akitoshi Usui in Yokohama, JP.

Patents per Year

Patents granted per year, 2018 to 2025Bar chart with a peak of 1 patents in 2018.peak 12018: 1 patents20182019: 1 patents20192025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12222480 Projection zoom lens and projection device — 2025-02-11
10209494 Imaging optical system Yutaka Takakubo 2019-02-19
10082648 Imaging optical system Yutaka Takakubo 2018-09-25

Frequent Collaborators

Yutaka Takakubo2 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3