Issued Patents All Time
Showing 26–50 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890517 | Shift valve for automatic automotive transmission or the like | Akihiro Ueki | 1990-01-02 |
| 4867014 | Accumulator/friction element arrangement for automatic transmission | — | 1989-09-19 |
| 4867194 | Control system for alleviating shock in automatic transmission | Koichi Hayasaki | 1989-09-19 |
| 4843920 | Combined forward pressure and torque converter control for automatic transmission | Koichi Hayasaki | 1989-07-04 |
| 4807496 | Control system for alleviating shock in automatic transmission | Koichi Hayasaki | 1989-02-28 |
| 4793215 | Transmission | — | 1988-12-27 |
| 4770066 | Engine brake control in automatic transmission | Koichi Hayasaki | 1988-09-13 |
| 4765203 | Engine brake control for automatic transmission | — | 1988-08-23 |
| 4763545 | Hydraulic control system for automatic transmission | Takashi Shibayama | 1988-08-16 |
| 4730521 | Control system for alleviating shock in automatic transmission | Koichi Hayasaki | 1988-03-15 |
| 4729265 | Shift shock suppression arrangement for automotive automatic transmission | — | 1988-03-08 |
| 4724727 | Hydraulic control system for automatic transmission | Takashi Shibayama | 1988-02-16 |
| 4680992 | Downshift timing and engine brake control for automatic transmission | Koichi Hayasaki | 1987-07-21 |
| 4667783 | Park lock device for use with automatic transmission | Koichi Hayasaki | 1987-05-26 |
| 4665776 | Hydraulic control system with 4-2 timing arrangement for automatic transmission | — | 1987-05-19 |
| 4632638 | Regulator valve for hydraulic control system including variable displacement pump | Takashi Shibayama | 1986-12-30 |
| 4617841 | Hydraulic control system for automatic transmission with shockless 4-2 shifting | — | 1986-10-21 |
| 4607731 | Hydraulic control system for automatic transmission having torque converter with lock-up mechanism | — | 1986-08-26 |
| 4607542 | Hydraulic control system for automatic transmission with shockless 4-3 and 4-2 shiftings | — | 1986-08-26 |
| 4602529 | Hydraulic control system for automatic transmission | — | 1986-07-29 |
| 4601233 | Hydraulic servo device with built-in accumulator | — | 1986-07-22 |
| 4595088 | Hydraulic control system for lock-up clutch | — | 1986-06-17 |
| 4587887 | Shift valve for automatic transmission | Takashi Shibayama | 1986-05-13 |
| 4585100 | Hydraulic control system for automatic transmission having torque converter with lock-up mechanism | — | 1986-04-29 |
| 4585102 | Hydraulic control system for automatic transmission having torque converter with lock-up mechanism | — | 1986-04-29 |