SK

Shouji Katsumata

TO Toyota: 17 patents #1,469 of 26,838Top 6%
NC Nittan Valve Co.: 3 patents #15 of 98Top 20%
Overall (All Time): #275,413 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10125643 Valve operating device for internal combustion engine Hidetoshi HIROSE 2018-11-13
10107148 Valve rotation device Kenichi Harada, Toshihisa Sugiyama 2018-10-23
9726055 Poppet valve Kenichi Harada, Keiju Tomoda, Toshihisa Sugiyama 2017-08-08
9567877 Hermetically sealed lash adjuster Akihiko Hosaka 2017-02-14
9002619 Apparatus for controlling a vehicle Yasushi Ito, Keiji Yoeda, Hideyuki Nishida, Shiro Tanno 2015-04-07
8261710 Sealed lash adjuster and seal structure between first and second parts Akihiko Hosaka 2012-09-11
7779805 Sealed lash adjuster and method for adjusting amount of liquid sealed in sealed lash adjuster Akihiko Hosaka, Ryo KOJIMA, Junichi Kawakita 2010-08-24
7093571 Internal combustion engine 2006-08-22
7028652 Device for controlling an internal combustion engine with a variable valve timing system Yoshihiro Iwashita, Shigeo Kikori, Kazuhiko Shiratani, Keiji Yoeda, Makoto Ogiso +2 more 2006-04-18
6971338 Variable cycle engine and operation mode switching method Tatsuo Kobayashi 2005-12-06
6729126 Internal combustion engine having variable valve control system and NOx catalyst Makoto Ogiso, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida, Tomomi Yamada +3 more 2004-05-04
6519933 Internal combustion engine having variable valve control system and NOx catalyst Makoto Ogiso, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida, Tomomi Yamada +3 more 2003-02-18
6446588 Internal combustion engine having electromagnetic valve driving mechanism and method of controlling electromagnetic valve driving mechanism Tomomi Yamada, Isao Matsumoto, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida 2002-09-10
6405693 Internal combustion engine and method for controlling valve of internal combustion engine Keiji Yoeda, Kiyoshi Nakanishi, Yoshihiro Iwashita, Kazuhiko Shiratani, Makoto Ogiso +4 more 2002-06-18
6354253 Solenoid valve device Yoshihiro Iwashita, Isao Matsumoto, Masaaki Tanaka, Keiji Yoeda, Hideyuki Nishida 2002-03-12
6276317 Control apparatus and method for electromagnetically driven valves Keiji Yoeda, Isao Matsumoto, Masaaki Tanaka 2001-08-21
5371412 Control method and apparatus of engine for driving generator Yoshihiro Iwashita, Hirohumi Kubota, Takeshi Kotani 1994-12-06