Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Eiichi Torigoe — 30 Patents

Denso: 26 patents #239 of 11,792Top 3%
NCNippondenso Co.: 3 patents #799 of 3,479Top 25%
FCFurukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
Anjo, JP: #81 of 1,609 inventorsTop 6%
Overall (All Time): #123,306 of 4,157,543Top 3%
30 Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5735343 Refrigerant evaporator Yoshiharu Kajikawa, Masahiro Shimoya 1998-04-07
5701760 Refrigerant evaporator, improved for uniform temperature of air blown out therefrom Masahiro Shimoya 1997-12-30
5680773 Refrigerant evaporator having upstream and downstream tanks of different cross sections Yasukazu Aikawa, Yoshiharu Kajikawa 1997-10-28
5363910 Heat exchanger Norimasa Baba, Ken Yamamoto, Michiyasu Yamamoto, Ryouichi Sanada, Mitsugu Nakamura 1994-11-15
5307870 Heat exchanger Sadayuki Kamiya, Satoshi Matsuura, Mitsugu Nakamura, Norimasa Baba, Teruhiko Kameoka +3 more 1994-05-03