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

Hiroshi Kawanami — 3 Patents

ACAsahi Denso Co.: 3 patents #4 of 39Top 15%
Kubota: 3 patents #629 of 2,059Top 35%
Sakai, JP: #1,257 of 2,905 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hiroshi Kawanami has been granted 3 US patents while listed as an inventor at Asahi Denso Co.. The first was granted in 2009 and the most recent in June 2010. Hiroshi Kawanami ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hiroshi Kawanami in Sakai, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7735347 Ignition switch device Akihiko Tsuchikiri, Takehiro Sakai, Masaki Ueda, Keisuke Miura, Ikuhiro Uotani +2 more 2010-06-15 $827,000
7707863 Ignition switch device Akihiko Tsuchikiri, Takehiro Sakai, Masaaki Ueda, Keisuke Miura 2010-05-04 $2,009,000
7591159 Ignition switch device Akihiko Tsuchikiri, Takehiro Sakai, Masaaki Ueda, Keisuke Miura 2009-09-22 $2,256,000