Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5531225 | Measuring apparatus for a component contained in exhalation | Katsumi Nawata, Toshiyuki Taguchi, Hazime Inagaki | 1996-07-02 |
| 4940125 | Drive mechanism in part-time four-wheel drive vehicle | Kiyoomi Sato, Kiyohito Murata | 1990-07-10 |
| 4930373 | Brake system for automatic transmission | Yasunori Nakawaki, Akio Numazawa, Toshiyuki Asada | 1990-06-05 |
| 4916980 | Planetary gear type speed change device to provide six forward speed stages with two single pinion type simple planetary gear mechanisms | Toshiyuki Asada, Yasuhiko Higashiyama, Toshitake Suzuki | 1990-04-17 |
| 4872376 | Transmission for a vehicle having improved performance for shifting between speed stages | Toshiyuki Asada, Yasuhiko Higashiyama | 1989-10-10 |
| 4860607 | Automatic transmission for automotive vehicle | Akio Numazawa, Akira Sato | 1989-08-29 |
| 4798272 | Hydraulically operated friction clutch having automatic wear compensating valve | Kiyohito Murata | 1989-01-17 |
| 4795011 | Hydraulic control device for hydraulically operated friction clutch having drag preventive means | Kiyohito Murata | 1989-01-03 |
| 4785923 | Slippage control system for lock up clutch assembly for fluid coupling, providing non-electronic mechanical/hydraulic slippage control | — | 1988-11-22 |
| 4742724 | Power-assisted gear-shift mechanism for manual transmission | Shoji Jimbo, Akira Sato, Kenichi Kikuchi, Hideaki Matsui, Yukio Ohtake | 1988-05-10 |
| 4739864 | Electromagnetic powder clutch for use in a power transmitting system having an automatically operated constant-mesh transmission | Akio Numazawa, Akira Sato, Hideaki Matsui | 1988-04-26 |
| 4723643 | Power transmitting system for automotive vehicle, incorporating automatically-operated constant-mesh transmission and clutch device | Akio Numazawa, Akira Sato, Hideaki Matsui | 1988-02-09 |
| 4324321 | Automatic transmission for automobiles | Kagenori Fukumura | 1982-04-13 |
| 4315719 | Non-lubricated rotary pump with discharge through end heads | Hiroshi Sakamaki, Toshiyuki Maeda, Tadashi Saitou | 1982-02-16 |
| 4286933 | Rotary vane pump with pairs of end inlet or outlet ports | Hiroshi Sakamaki, Toshiyuki Maeda, Tadashi Saitou | 1981-09-01 |
| 4276007 | Rotary pump with carbon vanes and an aluminum cylindrical sleeve in the housing | Hiroshi Sakamaki, Toshiyuki Maeda, Tadashi Saitou | 1981-06-30 |
| 4274817 | Rotary vane pump with inlet and discharge ports in end sealing plates | Hiroshi Sakamaki, Toshiyuki Maeda, Tadashi Saitou | 1981-06-23 |
| 4257753 | Rotary fluid vane pump with means preventing axial displacement of the drive shaft | Hiroshi Sakamaki, Yoshiyuki Maeda, Tadashi Saitou | 1981-03-24 |
| 4225029 | Automatic transmission for automobiles | — | 1980-09-30 |
| 4219109 | Oil pressure control means for an automatic transmission | Kagenori Fukumura, Keiichi Ito | 1980-08-26 |
| 4216852 | Hydraulic control system for automatic transmissions of motor vehicles | — | 1980-08-12 |
| 4198195 | Rotary fluid pump or compressor | Hiroshi Sakamaki, Toshiyuki Maeda, Tadashi Saitou | 1980-04-15 |