Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Naofumi Shimasaki — 3 Patents

Panasonic: 2 patents #9,726 of 21,108Top 50%
ONOnkyo: 1 patents #80 of 170Top 50%
Osaka, JP: #10,171 of 24,344 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Naofumi Shimasaki has been granted 3 US patents while listed as an inventor at Panasonic. The first was granted in 2013 and the most recent in October 2023. Naofumi Shimasaki ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Naofumi Shimasaki in Osaka, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11787057 Diagnostic system, diagnosing method, and program Kenta Kamizono, Kazutaka Ikeda 2023-10-17
11544554 Additional learning method for deterioration diagnosis system Kazutaka Ikeda 2023-01-03
8552802 Amplifying circuit and current-voltage conversion circuit Tsuyoshi Kawaguchi, Norimasa Kitagawa, Mamoru Sekiya, Yu TAKEHARA 2013-10-08