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%
Overall (All Time): #90,651 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 25 most recent of 37 patents

Patent #TitleCo-InventorsDate
8991783 Fuel injection valve for internal combustion engine Motoyuki Abe, Masahiko Hayatani, Tohru Ishikawa, Atsushi Takaoku, Yasuo Namaizawa +1 more 2015-03-31
8230839 Fuel injection valve Masahiko Hayatani, Motoyuki Abe, Toru Ishikawa, Eiichi Kubota 2012-07-31
8104698 Fuel injection valve Masahiko Hayatani, Motoyuki Abe, Toru Ishikawa, Eiichi Kubota 2012-01-31
8033714 Fluid mixing apparatus Akira Nishioka, Kiyoshi Amou, Yoshihiro Sukegawa, Yasunaga Hamada, Ikuhisa Hamada +3 more 2011-10-11
7774126 Electromagnetic fuel injection valve device Motoyuki Abe, Masahiko Hayatani, Tohru Ishikawa, Noriyuki Maekawa 2010-08-10
7703561 Power steering system Ayumu Miyajima, Toru Takahashi, Naoshi Yamaguchi, Makoto Yamakado, Masanori Ichinose +1 more 2010-04-27
7607418 Fuel injection nozzle and method of holding the same Motoyuki Abe, Masahiko Hayatani, Tohru Ishikawa, Noriyuki Maekawa, Yasuo Namaizawa +1 more 2009-10-27
7455143 Vehicle drive unit Shinya Imura, Tatsuyuki Yamamoto, Masaru Ito 2008-11-25
7387263 Fuel injection valve of engine, fuel injection method and assembling method of the same Yoshihito Yasukawa, Noriyuki Maekawa, Yoshio Okamoto 2008-06-17
7383902 Hybrid car and control apparatus therefor, and hybrid four-wheel-drive car and control apparatus therefor Norikazu Matsuzaki, Masaru Ito, Tatsuyuki Yamamoto 2008-06-10
7357123 Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same Noriyuki Maekawa, Motoyuki Abe, Kenchiro Tokuo, Tohru Ishikawa, Toshiyuki Innami +2 more 2008-04-15
7308960 Vehicle drive train unit and vehicle drive train system Hisaya Shimizu, Kousaku Oono, Tatsuyuki Yamamoto, Toshiyuki Innami 2007-12-18
7243635 Throttle valve opening and closing device Masahiko Soshino, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono, Yasuhiro Kamimura +4 more 2007-07-17
7237639 Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle Tatsuyuki Yamamoto 2007-07-03
7219497 Hybrid car and control method of the same Shinya Imura, Norkazu Matsuzaki, Shin Fujiwara, Tatsuyuki Yamamoto, Daisuke Yamamoto 2007-05-22
7174877 Throttle valve opening and closing device Masahiko Soshino, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono, Yasuhiro Kamimura +4 more 2007-02-13
7114589 Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle Tatsuyuki Yamamoto 2006-10-03
7054726 Control apparatus for vehicle-use electric power generator Tatsuyuki Yamamoto, Norikazu Matsuzaki 2006-05-30
7040283 Throttle valve opening and closing device Masahiko Soshino, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono, Yasuhiro Kamimura +4 more 2006-05-09
7040439 Hybrid car control apparatus Norikazu Matsuzaki, Masaru Ito 2006-05-09
6932051 Throttle valve opening and closing device Masahiko Soshino, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono, Yasuhiro Kamimura +4 more 2005-08-23
6912993 Throttle system Tomonaga Oyamada, Yuuichi Yanagase, Teruhiko Minegishi, Eisuke Wayama 2005-07-05
6697743 Apparatus for measuring intake air flow of internal combustion engine Toshihiro Aono, Shinya Igarashi 2004-02-24
6684850 Electric-control-type throttle apparatus Yuzo Kadomukai, Shigeru Tokumoto, Yasuo Saito, Toshifumi Usui, Masaru Ito 2004-02-03
6543412 Intake air control device and internal combustion engine mounting the same Kiyoshi Amou, Yoshio Okamoto, Yuzo Kadomukai, Ayumu Miyajima, Masami Nagano +3 more 2003-04-08