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USPTO Patent Rankings Data through Sept 30, 2025
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Haruo Watanabe — 114 Patents

Sony: 59 patents #340 of 25,231Top 2%
Hitachi: 12 patents #3,472 of 28,497Top 15%
Toyota: 10 patents #2,889 of 26,838Top 15%
Honda Motor Co.: 9 patents #2,356 of 21,052Top 15%
HCHodogaya Chemical Co.: 3 patents #107 of 359Top 30%
TKToyo Boseki Kabushiki Kaisha: 3 patents #234 of 1,085Top 25%
Kubota: 3 patents #629 of 2,059Top 35%
HCHitachi Automotive Engineering Co.: 3 patents #60 of 314Top 20%
SCShindengen Electric Manufacturing Co.: 3 patents #67 of 307Top 25%
Yamaha: 2 patents #899 of 2,001Top 45%
CCCitizen Watch Co.: 2 patents #460 of 1,225Top 40%
MKMitsubishi Kasei: 2 patents #194 of 911Top 25%
LGLion Group: 2 patents #101 of 587Top 20%
MCMitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
ACAsahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
NCNippondenso Co.: 1 patents #1,765 of 3,479Top 55%
SCShowa Sangyo Co.: 1 patents #18 of 47Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Yokohama, JP: #74 of 480 inventorsTop 20%
Overall (All Time): #11,123 of 4,157,543Top 1%
114 Patents All Time

Issued Patents All Time

Showing 101–114 of 114 patents

Patent #TitleCo-InventorsDate
4466413 Fuel cut system for electronic control system Akito Oonishi 1984-08-21
4464978 Servovalve apparatus Ken Ichiryu, Masami Nemoto 1984-08-14
4465662 Oral compositions of tranexamic acid and carvone Hiroshi Sato, Nobuo Suganuma 1984-08-14
4428559 Direct drive type servo valve Ken Ichiryu, Ichiro Nakamura, Yoshimichi Akasaka 1984-01-31
4414942 Idling speed control device of an internal combustion engine Hiroshi Itoh 1983-11-15
4404892 Hydraulic operating apparatus Ichiro Nakamura, Mitsuaki Takenoshita, Ken Ichiryu, Yoshimichi Akasaka 1983-09-20
4397275 Idling speed control device of an internal combustion engine Hiroshi Itoh, Mamoru Kobashi 1983-08-09
4385602 Rotational speed control device during idling of engine Hiroshi Itou, Hidenori Tateno, Mamoru Kobashi 1983-05-31
4330600 Magnetic recording medium Kouichi Kawasumi, Junetsu Seto 1982-05-18
4325452 Work vehicle Niro Bando, Junji Miyata 1982-04-20
4323137 Work vehicle Niro Bando, Junji Miyata, Masatsugu Tone 1982-04-06
4280962 Methods for refining oils and fats Mutsuhito Watanabe, Takao Arima, Kosei Yamada 1981-07-28
4246566 Malfunction diagnosing apparatus for electronic control system for vehicles Kunio Endo, Nobuyuki Kobayashi, Mitsuo Kawai 1981-01-20
4210114 Air-fuel ratio control apparatus for an internal combustion engine 1980-07-01