TK

Takehiko Kowatari

HI Hitachi: 35 patents #681 of 28,497Top 3%
HC Hitachi Car Engineering Co.: 8 patents #53 of 465Top 15%
BK Babcock-Hitachi K.K.: 1 patents #20 of 70Top 30%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
📍 Chiyoda, JP: #70 of 1,712 inventorsTop 5%
Overall (All Time): #90,651 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6543416 Electric-control-type throttle apparatus Yuzo Kadomukai, Shigeru Tokumoto, Yasuo Saito, Toshifumi Usui, Masaru Ito 2003-04-08
6508236 Fuel supply device and internal combustion engine mounting the same Kiyoshi Amou, Yoshio Okamoto, Ayumu Miyajima, Yuzo Kadomukai, Toru Ishikawa +4 more 2003-01-21
6459984 Intake air flow rate measurement apparatus Toshihiro Aono 2002-10-01
6401690 Electric-control-type throttle apparatus Yuzo Kadomukai, Shigeru Tokumoto, Yasuo Saito, Toshifumi Usui, Masaru Ito 2002-06-11
6386182 Method and apparatus for controlling intake air flow rate of an engine and method for controlling output Yuzo Kadomukai, Toshihiro Aono, Toshifumi Usui 2002-05-14
6334083 Intake air flow rate measurement apparatus Toshihiro Aono 2001-12-25
6199537 Method and apparatus for controlling intake air flow rate of an engine and method for controlling output Yuzo Kadomukai, Toshihiro Aono, Toshifumi Usui 2001-03-13
6098594 Electric-control-type throttle apparatus Yuzo Kadomukai, Shigeru Tokumoto, Yasuo Saito, Toshifumi Usui, Masaru Ito 2000-08-08
6089208 Throttle valve opening and closing apparatus for a vehicle, and vehicle internal combustion engine using the apparatus Shigeru Tokumoto, Kousaku Ohno 2000-07-18
5952571 Thermal type flow meter Nobukatsu Arai, Kaoru Uchiyama, Izumi Watanabe, Shinya Igarashi 1999-09-14
5832403 Air flow measuring apparatus and method thereof Nobukatsu Arai, Kaoru Uchiyama, Chihiro Kobayashi, Shinya Igarashi 1998-11-03
5750889 Air flow rate measuring apparatus and air flow rate measuring method Nobukatsu Arai, Chihiro Kobayashi 1998-05-12