Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829769 | Hydraulic transmission coupling apparatus | — | 1989-05-16 |
| 4813307 | Method of controlling hydraulic pressure for an automatic transmission gear system | Bonnosuke Takamiya, Yuichi Tanaka | 1989-03-21 |
| 4793216 | Control apparatus for automatic transmission gear system for vehicle | Yuichi Tanaka, Hisaji Nakamura | 1988-12-27 |
| 4791568 | Method of controlling hydraulic pressure for an automatic transmission gear system | Bonnosuke Takamiya, Yuichi Tanaka | 1988-12-13 |
| 4775938 | System and method for controlling a power transmission of a vehicle | — | 1988-10-04 |
| 4754403 | Hydraulic pressure control system of automatic transmissions for vehicle | — | 1988-06-28 |
| 4742732 | Automatic transmission system for a vehicle | — | 1988-05-10 |
| 4732253 | Power transmission | Bonnosuke Takamiya, Yoshimasa Nagayoshi | 1988-03-22 |
| 4732245 | Control apparatus for clutch torque in hydrodynamic power transmitting device | — | 1988-03-22 |
| 4727966 | Differential with differential motion limiting mechanism | Bonnosuke Takamiya, Yoshimasa Nagayoshi | 1988-03-01 |
| 4719998 | Power transmission system for vehicle | Bonnosuke Takamiya, Yoshimasa Nagayoshi | 1988-01-19 |
| 4676336 | Power transmission apparatus for vehicle | Yoshimasa Nagayoshi | 1987-06-30 |
| 4665773 | Continuously variable transmission apparatus for automobile | Bonnosuke Takamiya | 1987-05-19 |
| 4662488 | Control system for a clutch interposed between input and output shafts of hydrodynamic power transmitting device | Yoshimasa Nagayoshi | 1987-05-05 |
| 4660697 | Slip clutch device control method | Haruaki Yoneda | 1987-04-28 |
| 4561328 | Creeping preventing apparatus in automatic transmission for vehicle | — | 1985-12-31 |
| 4558612 | Vehicular automatic speed change gear assembly | Takeo Shimizu, Bonnosuke Takamiya, Hiroshi Fukuchi | 1985-12-17 |
| 4538482 | Hydraulic control system in automatic transmission gear for 4 advance speeds | — | 1985-09-03 |
| 4534244 | Automatic transmission gear system for vehicles | — | 1985-08-13 |
| 4519273 | Automatic transmission for vehicles | Takeo Shimizu, Bonnosuke Takamiya, Hiroshi Fukuchi | 1985-05-28 |
| 4513639 | Creeping preventing apparatus in automatic transmission for vehicle | — | 1985-04-30 |
| 4506563 | Hydraulic control system for automatic transmission gear | — | 1985-03-26 |
| 4468988 | Slip control system for a clutch | — | 1984-09-04 |
| 4466311 | Slip control system for a clutch | — | 1984-08-21 |
| 4457411 | Torque transmission device | — | 1984-07-03 |