Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5152191 | Control system of a continuously variable transmission for a four-wheel motor vehicle | Keiji Sato | 1992-10-06 |
| 5056637 | System for controlling speed of an engine for a motor vehicle having a continuously variable transmission | Hiroshi Tanaka | 1991-10-15 |
| 5046576 | Control system for a transfer device of a four-wheel drive vehicle with a continuously variable belt-drive transmission | — | 1991-09-10 |
| 5012696 | Line pressure control system for a continuously variable transmission | — | 1991-05-07 |
| 5012910 | Transmission ratio control system for a continuously variable transmission | — | 1991-05-07 |
| 4843913 | Transmission ratio control system for a continuously variable transmission | — | 1989-07-04 |
| 4831898 | Transmission ratio control system for a continuously variable transmission | — | 1989-05-23 |
| 4827803 | Transmission ratio control system for a continuously variable transmission | — | 1989-05-09 |
| 4826473 | Belt for a continuously variable transmission | — | 1989-05-02 |
| 4787489 | System for controlling an electromagnetic clutch for a vehicle | — | 1988-11-29 |
| 4782934 | Control system for a continuously variable transmission | Toshio Takano, Hiroshi Tanaka | 1988-11-08 |
| 4771658 | System for controlling the pressure of oil in a system for a continuously variable transmission | — | 1988-09-20 |
| 4760760 | Control system for a continuously variable transmission | — | 1988-08-02 |
| 4730518 | System for the transmission ratio of a continuously variable transmission | — | 1988-03-15 |
| 4680991 | System for controlling the transmission ratio in an infinitely variable transmission | — | 1987-07-21 |
| 4680711 | Control system for an infinitely variable transmission | — | 1987-07-14 |
| 4675818 | System for controlling an electromagnetic clutch for an automotive engine | Ryuzo Sakakiyama | 1987-06-23 |
| 4674363 | System for controlling the pressure of oil in a system for a continuously variable transmission | — | 1987-06-23 |
| 4675817 | System for controlling an electromagnetic clutch for a vehicle | Ryuzo Sakakiyama | 1987-06-23 |
| 4659321 | System for controlling the transmission ratio of an infinitely variable transmission | — | 1987-04-21 |
| 4656892 | Control system for an infinitely variable transmission | — | 1987-04-14 |
| 4657522 | Control system for an infinitely variable transmission | — | 1987-04-14 |
| 4651595 | Kickdown system for an infinitely variable transmission | — | 1987-03-24 |