EW

Eisuke Wayama

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
HC Hitachi Car Engineering Co.: 20 patents #17 of 465Top 4%
Overall (All Time): #147,769 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
7367315 Throttle valve control apparatus of internal combustion engine and automobile using the same Toshifumi Usui, Yoshikatsu Hashimoto, Shigeru Tokumoto, Yasuo Saito 2008-05-06
7243635 Throttle valve opening and closing device Masahiko Soshino, Takehiko Kowatari, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono +4 more 2007-07-17
7235963 Electronic control type throttle valve apparatus, non-contact type rotation angle detecting apparatus used in electronic control type throttle valve apparatus etc. and signal processing apparatus for hall element 2007-06-26
7231903 Throttle apparatus for an internal combustion engine Toshifumi Usui, Shigeru Tokumoto, Yasuo Saito 2007-06-19
7174877 Throttle valve opening and closing device Masahiko Soshino, Takehiko Kowatari, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono +4 more 2007-02-13
7152581 Throttle valve control apparatus of internal combustion engine and automobile using the same Toshifumi Usui, Yoshikatsu Hashimoto, Shigeru Tokumoto, Yasuo Saito 2006-12-26
7121259 Throttle device for internal-combustion engine Yoshikatsu Hashimoto, Yasuo Saito, Toshifumi Usui 2006-10-17
7093581 Throttle valve control apparatus of internal combustion engine and automobile using the same Toshifumi Usui, Yoshikatsu Hashimoto, Shigeru Tokumoto, Yasuo Saito 2006-08-22
7040283 Throttle valve opening and closing device Masahiko Soshino, Takehiko Kowatari, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono +4 more 2006-05-09
6973916 ELECTRONIC CONTROL TYPE THROTTLE VALVE APPARATUS, NON-CONTACT TYPE ROTATION ANGLE DETECTING APPARATUS USED IN ELECTRONIC CONTROL TYPE THROTTLE VALVE APPARATUS ETC. AND SIGNAL PROCESSING APPARATUS FOR HALL ELEMENT 2005-12-13
6966297 Throttle device for internal-combustion engine Yoshikatsu Hashimoto, Yasuo Saito, Toshifumi Usui 2005-11-22
6945228 Throttle device for internal-combustion engine Yasuo Saito, Yoshikatsu Hashimoto, Toshifumi Usui 2005-09-20
6932051 Throttle valve opening and closing device Masahiko Soshino, Takehiko Kowatari, Yuzo Kadomukai, Yuki Ejiri, Kenji Ono +4 more 2005-08-23
6912993 Throttle system Tomonaga Oyamada, Yuuichi Yanagase, Takehiko Kowatari, Teruhiko Minegishi 2005-07-05
6701892 Throttle valve control apparatus of internal combustion engine and automobile using the same Toshifumi Usui, Yoshikatsu Hashimoto, Shigeru Tokumoto, Yasuo Saito 2004-03-09
6694947 Throttle apparatus for an internal combustion engine Toshifumi Usui, Shigeru Tokumoto, Yasuo Saito 2004-02-24
6691678 Throttle assembly for internal combustion engine, and throttle sensor Yoshikatsu Hashimoto, Toshifumi Usui, Shigeru Tokumoto, Yasuo Saito 2004-02-17
6691681 Throttle apparatus for an internal combustion engine Toshifumi Usui, Shigeru Tokumoto, Yasuo Saito 2004-02-17
6626143 Throttle device of internal combustion engine Yoshikatsu Hashimoto, Yasuo Saito, Toshifumi Usui 2003-09-30
6591809 Throttle device for internal-combustion engine Yasuo Saito, Yoshikatsu Hashimoto, Toshifumi Usui 2003-07-15
6488010 Throttle device for internal-combustion engine Yasuo Saito, Yoshikatsu Hashimoto, Toshifumi Usui 2002-12-03
6418908 Throttle apparatus for an internal combustion engine Toshifumi Usui, Shigeru Tokumoto, Yasuo Saito 2002-07-16
6390062 Throttle device of internal combustion engine Yasuo Saito, Yoshikatsu Hashimoto, Toshifumi Usui 2002-05-21
6382181 Throttle apparatus for an internal combustion engine Toshifumi Usui, Shigeru Tokumoto, Yasuo Saito 2002-05-07
6382180 Throttle apparatus for an internal combustion engine Toshifumi Usui, Shigeru Tokumoto, Yasuo Saito 2002-05-07