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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tomohiro Kawashima — 3 Patents

NENec Electronics: 2 patents #384 of 1,789Top 25%
Toyota: 1 patents #15,486 of 26,838Top 60%
Toyohashi, JP: #390 of 1,141 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Tomohiro Kawashima has been granted 3 US patents while listed as an inventor at Nec Electronics. The first was granted in 2003 and the most recent in December 2018. Tomohiro Kawashima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tomohiro Kawashima in Toyohashi, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10165701 Electric power conversion device for providing a stabilized potential to a cooler Yuji Nishibe, Yasuyoshi Saito, Kensuke Wada, Shinichi Miura, Tadafumi Yoshida +2 more 2018-12-25
6569708 Repairable flip chip semiconductor device with excellent packaging reliability and method of manufacturing same 2003-05-27 $10,000
6559540 Flip-chip semiconductor device and method of forming the same 2003-05-06 $9,000