Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7426854 | Abnormality determination device and abnormality determination method of vehicle | Kazuo Kawaguchi | 2008-09-23 |
| 7426973 | Hybrid power unit | Tooru Matsubara | 2008-09-23 |
| 7261670 | Control device of hybrid drive unit | Tatsuya Ozeki, Masataka Sugiyama | 2007-08-28 |
| 7220212 | Control system for hybrid vehicles | — | 2007-05-22 |
| 7207404 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode | Masatoshi Ito, Hidehiro Oba, Kazumi Hoshiya | 2007-04-24 |
| 7168515 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode | Masatoshi Ito, Hidehiro Oba, Kazumi Hoshiya | 2007-01-30 |
| 7165638 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode | Masatoshi Ito, Hidehiro Oba, Kazumi Hoshiya | 2007-01-23 |
| 7134982 | Control system for hybrid drive unit | Tatsuya Ozeki | 2006-11-14 |
| 7108630 | Control system for hybrid drive unit | Tatsuya Ozeki, Atsushi Kayukawa, Kazuomi Okasaka | 2006-09-19 |
| 7101309 | Control system and control method for hybrid vehicles | Tatsuya Ozeki | 2006-09-05 |
| 7090612 | Control device of hybrid drive unit and control method thereof | Tatsuya Ozeki, Masahiro Kojima, Masataka Sugiyama | 2006-08-15 |
| 7018315 | Hydraulic control apparatus for vehicle and method thereof | Shinichi Kojima, Tatsuya Ozeki | 2006-03-28 |
| 6994177 | Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode | Masatoshi Ito, Hidehiro Oba, Kazumi Hoshiya | 2006-02-07 |
| 6932176 | Control system for hybrid vehicle | Shigeki Takami, Kiyotomo Miura, Satoru Wakuta, Tatsuya Ozeki | 2005-08-23 |
| 6881165 | Hydraulic control apparatus of vehicle and control method | Tatsuya Ozeki, Akira Kasamatsu, Nobuyuki Nagashima, Mitsuhiro Umeyama, Hisanori Nomoto +3 more | 2005-04-19 |
| 6871129 | Control system of a continuously variable transmission for a vehicle and method | Ichiro Kitaori, Tatsuya Ozeki | 2005-03-22 |
| 6736753 | Vehicle drive control apparatus and method | Tatsuya Ozeki, Kazumi Hoshiya | 2004-05-18 |
| 6655485 | Hybrid drive system wherein clutch in engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode | Masatoshi Ito, Hidehiro Oba, Kazumi Hoshiya | 2003-12-02 |
| 6637530 | Hybrid vehicle control apparatus wherein battery is charged based on required charging amount and/or energy conversion efficiency of electric generator | Hidehiro Oba, Kazumi Hoshiya, Mitsuhiro Umeyama | 2003-10-28 |
| 6565473 | Hydraulic pressure control apparatus for automatic transmission of vehicle | Masatoshi Ito, Tatsuya Ozeki | 2003-05-20 |
| 6565480 | Control apparatus for drive system | Tatsuya Ozeki, Yukio Kinugasa, Kazumi Hoshiya | 2003-05-20 |
| 6524217 | Apparatus for controlling vehicle drive units | Akira Murakami, Masanori Ohtake, Yuji Iwase, Mitsuhiro Umeyama | 2003-02-25 |
| 6383114 | Hybrid vehicle control apparatus having a device for synchronizing friction members of one of two clutches corresponding to one of two different neutral states | Kazumi Hoshiya, Hidehiro Oba | 2002-05-07 |
| 6336889 | Drive control system for hybrid vehicles | Hidehiro Oba, Kazumi Hoshiya, Hisanori Nomoto | 2002-01-08 |
| 6201312 | Drive control system for hybrid vehicles | Hiroyuki Shioiri, Hidehiro Oba, Kazumi Hoshiya, Mitsuhiro Umeyama | 2001-03-13 |