Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7730982 | Oil pump driving control device for a hybrid vehicle | Terumasa Hidaka, Taiichi Onoyama | 2010-06-08 |
| 7472769 | Hybrid vehicle control system | Tsuyoshi Yamanaka | 2009-01-06 |
| 5819192 | Transfer for motor vehicle | Tatsuo Wakahara, Kenichirou Murakami, Masaki Ohki | 1998-10-06 |
| 5787379 | Lockup control system for automatic transmissions | Tatsuo Ochiai, Masayuki Furuya | 1998-07-28 |
| 5651752 | Lock-up control system for automatic transmission | Tatsuo Wakahara | 1997-07-29 |
| 5647816 | Automatic transmission | Hirofumi Michioka, Masahiro Yamamoto, Yoshinori Mikoshiba | 1997-07-15 |
| 5644916 | Hydraulic pressure supply system for variable torque transfer of four-wheel drive vehicle | — | 1997-07-08 |
| 5616100 | Lockup control system for torque converter | Hiromasa Sakai | 1997-04-01 |
| 5499953 | Control device having compensation means for changing predetermined throttle pedalling speeds of automatic transmission for vehicle | — | 1996-03-19 |
| 5439088 | Automatic transmission with passages connecting apply and cancel chambers | Hirofumi Michioka, Masahiro Yamamoto, Yoshinori Mikoshiba | 1995-08-08 |
| 5421439 | Clutch of automatic transmission | — | 1995-06-06 |
| 5308295 | Planetary gear system for automatic transmission | Hirofumi Michioka, Yuji Hayashi | 1994-05-03 |
| 5232411 | Structure for automatic transmission | Yuji Hayashi, Hirofumi Michioka | 1993-08-03 |
| 5230664 | Lubricating system for automatic transmission | Hirofumi Michioka, Yuji Hayashi | 1993-07-27 |
| 5230671 | Automatic transmission | Hirofumi Michioka, Yuji Hayashi | 1993-07-27 |
| 5161434 | Valve system for shockless downshift to engine braking | — | 1992-11-10 |
| 5138907 | Safeguard for shift control for auxiliary gearing of automatic transmission | Hirofumi Okahara | 1992-08-18 |
| 5113724 | Control system for an automatic automotive transmission | — | 1992-05-19 |
| 5097723 | Control of downshift to engine brake running range | — | 1992-03-24 |
| 5094130 | Shift control system for automatic power transmission with feature of suppression of shift shock during 4-2 downshift | Ikuo Hirose, Hirofumi Okahara | 1992-03-10 |
| 5090271 | Shift control system for automatic transmission | — | 1992-02-25 |
| 5042329 | Control system for automatic transmission featuring improved downshifting characteristics with overdrive inhibitor | Akihiro Ueki, Kazuhiko Sugano | 1991-08-27 |
| 5012698 | Range selection control arrangement for automatic automotive transmission | — | 1991-05-07 |
| 5000218 | Wire harness arrangement of automatic transmission | Yoshimi Iwaya, Hirofumi Okahara | 1991-03-19 |
| 4991466 | Hydraulic circuit for supplying base pressure to solenoid in an automatic transmission | — | 1991-02-12 |