Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HO

Hiroko Ohnuma — 1 Patent

Sony: 1 patents #17,321 of 25,231Top 70%
Rifu, JP: #1,330 of 2,101 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Hiroko Ohnuma has been granted 1 US patent while listed as an inventor at Sony. All of these patents were granted in 2003. Hiroko Ohnuma ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Hiroko Ohnuma in Rifu, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6649307 Non-aqueous electrolyte secondary cell Hideki Terashima, Yuzuru Fukushima, Kimio Takahashi, Kotaro Satori, Akinori Kita 2003-11-18 $959,000