MY

Masaaki Yamaguchi

TO Toyota: 21 patents #1,063 of 26,838Top 4%
Honda Motor Co.: 17 patents #852 of 21,052Top 5%
AC Aisin Aw Industries Co.: 4 patents #15 of 83Top 20%
Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%
AC Aisin Aw Co.: 2 patents #784 of 2,011Top 40%
KC Kanzaki Kokyukoki Mfg. Co.: 2 patents #92 of 208Top 45%
TC Ts Tech Co.: 2 patents #244 of 561Top 45%
KC Kokoku Intech Co.: 1 patents #9 of 46Top 20%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
KS Komatsu Shisakusho: 1 patents #409 of 885Top 50%
Overall (All Time): #59,665 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7464542 Exhaust gas purification system for internal combustion engine Shunsuke Toshioka, Masaaki Kobayashi, Hisashi Ohki, Kotaro Hayashi 2008-12-16
7309197 Internal gear shaving machine Hiroki Taki, Ryoji Yoshida 2007-12-18
7165394 Exhaust gas purification system for internal combustion engine Shunsuke Toshioka, Masaaki Kobayashi, Hisashi Ohki, Kotaro Hayashi 2007-01-23
7074148 Hydraulic controller of power transmission device Tomoaki Ishikawa, Shigeji Nakano, Kazunori Fujishima, Tsuyoshi Fujita, Takao Ueno 2006-07-11
6973785 Apparatus and method for controlling EGR in an engine Tsutomu Umehara, Hiroki Kinuhata 2005-12-13
6973379 Continuously variable transmission control apparatus Keisuke Katsuta 2005-12-06
6958000 Finishing wheel holding mechanism for gear finishing apparatus Norihiro Yoshioka, Koji Kawamoto 2005-10-25
6922988 Exhaust emission control apparatus and method for internal combustion engine Hisashi Ohki, Masaaki Kobayashi, Daisuke Shibata 2005-08-02
6823250 Vehicular power-transmission control system Takahiro Eguchi, Daihei Teshima 2004-11-23
6776739 Vehicular power-transmission control system Takahiro Eguchi, Atsushi Matsubara 2004-08-17
6761659 Method for controlling engagement of frictionally engaging element in power transmission Takahiro Eguchi, Ukyo Ogata 2004-07-13
6733299 Vehicular power transmission Takahiro Eguchi 2004-05-11
6709364 Vehicular power-transmission control system Takahiro Eguchi 2004-03-23
6702715 Power transmission Takahiro Eguchi, Teruo Wakashiro 2004-03-09
6702716 Power transmission Takahiro Eguchi 2004-03-09
6533081 Brake fluid pressure retaining apparatus Hirohiko Totsuka, Keisuke Katsuta 2003-03-18
6527669 Hydraulic control apparatus for a vehicular automatic transmission Hirohiko Totsuka, Eiji Ohyama, Yoshimichi Tsubata 2003-03-04
6244385 Lubrication pressure controller Yoshimichi Tsubata, Katsuyuki Narai, Eiji Suzuki, Daihei Teshima, Atsushi Fujikawa +4 more 2001-06-12
6095942 Speed change control device for vehicular continuously variable transmission Eiji Kitsutaka, Daihei Teshima, Hirotoshi Inoue 2000-08-01
5766110 Starting clutch control system Yutaka Kanno, Hideo Koyama 1998-06-16
5079727 Method and apparatus for carrying out a quality control Masahiro Yasue, Osamu Okamoto, Noriyuki Ono, Yoshiteru Sunachi 1992-01-07
4988300 Riding simulator Masashi Kito, Nobuhiro Iguchi, Shinzo Yoshida, Atushi Ishigure 1991-01-29