Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Satoru Kumai — 1 Patent

IBM: 1 patents #44,878 of 70,183Top 65%
Amagasaki, JP: #1,070 of 1,770 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Satoru Kumai has been granted 1 US patent while listed as an inventor at IBM. All of these patents were granted in 2009. Satoru Kumai ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Satoru Kumai in Amagasaki, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7480140 System for cooling interior and external housing surfaces of an electronic apparatus Chikashi Hara, Kazuyo Hayakawa, Taichiroh Nomura, Toshio Sakurai, Hiroyuki Takenoshita 2009-01-20 $5,212,000