Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230519 | Hydraulically operated power transmission apparatus | Hiroshige Makita, Makiro Ishimoto, Atsuyoshi Kawai, Makoto Ninomiya | 1993-07-27 |
| 5119632 | Hydraulic transmission for motor vehicle | Kichiji Misawa, Tomoaki Ishikawa, Masae Takamizawa | 1992-06-09 |
| 5094078 | Hydraulic transmission for motor vehicle | Kichiji Misawa, Tomoaki Ishikawa, Masae Takamizawa | 1992-03-10 |
| 4974472 | Hydraulic power transmission apparatus | Horishige Makita | 1990-12-04 |
| 4856264 | Hydraulic transmission apparatus | Hiroshige Makita, Tomoaki Ishikawa | 1989-08-15 |
| 4831891 | Power transmission device for a tractor | Yukio Kato, Yuji Kishizawa | 1989-05-23 |
| 4828087 | Inertia lock type synchronous clutch mechanism | Satoru Kudo | 1989-05-09 |
| 4793213 | Compact transmission apparatus for a vehicle | — | 1988-12-27 |
| 4787293 | Hydraulic system for working vehicles | Yuji Kishizawa | 1988-11-29 |
| 4785682 | Power transmission device | Yuji Kishizawa, Yukio Kato | 1988-11-22 |
| 4751989 | Clutch with reduced dragging | Masahide Shinokawa, Takanori Suzuki, Hideyuki Akaba, Yuji Kishizawa | 1988-06-21 |
| 4697475 | Controller for vehicle transmission with auxiliary transmission | Noboru Sekine | 1987-10-06 |
| 4674358 | Manual with auxiliary transmission | — | 1987-06-23 |
| 4646886 | Damper device of a clutch for a torque converter | — | 1987-03-03 |
| 4640393 | Control device for vehicular transmission | Noboru Sekine | 1987-02-03 |
| 4640396 | Device for controlling the operation of clutch for fluid torque converter | — | 1987-02-03 |
| 4638897 | Damper device for a torque converter clutch | — | 1987-01-27 |
| 4624105 | Hydraulic torque converter | Noboru Sekine | 1986-11-25 |
| 4613022 | Torque converter one way lock-up clutch | — | 1986-09-23 |
| 4596322 | Torque converter clutch control device for vehicle | Yoji Yamada | 1986-06-24 |
| 4574925 | Motor and gearing controls for torque converter lock-up clutch | Masaru Yamashita, Hiroyuki Shimada | 1986-03-11 |
| 4570764 | Damper apparatus in clutch for torque convertor | — | 1986-02-18 |
| 4570511 | Control system for hydraulic transmission | Masakazu Maezono | 1986-02-18 |
| 4562905 | Clutch operation control system for fluid torque converters | Masakazu Maezono, Keiichi Ishikawa | 1986-01-07 |
| 4541515 | Apparatus for supplying hydraulic fluid to an hydraulic clutch | Katsuharu Kinoshita | 1985-09-17 |