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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tomoki Onaka — 2 Patents

FDFdk: 2 patents #88 of 324Top 30%
Tokyo, JP: #44,108 of 90,295 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Tomoki Onaka has been granted 2 US patents while listed as an inventor at Fdk. The first was granted in 2021 and the most recent in November 2023. Tomoki Onaka ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Tomoki Onaka in Tokyo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11817735 Charging device that can optimize charging current of a secondary battery Yukio Ono, Norio Fukui 2023-11-14
11183920 Switching power supply with delay for dead time adjustment Miyabi Ishikawa, Norio Fukui 2021-11-23