Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680886 | Impact energy absorber | — | 1997-10-28 |
| 5360775 | Porous clay intercalation compound and its production method | Mitsuru Suda | 1994-11-01 |
| 5064791 | Method of preparing ceramic composite powders and the powders obtained thereby | Mitsuru Suda, Johji Koga | 1991-11-12 |
| 4748869 | Automatic transmission for an automotive vehicle | — | 1988-06-07 |
| 4513634 | Change-speed transmission with selective bypass of hydrokinetic unit | — | 1985-04-30 |
| 4483212 | Change-speed transmission with selective bypass of hydrokinetic unit | — | 1984-11-20 |
| 4483215 | Transmission with overdrive | Wataru Ishimaru | 1984-11-20 |
| 4462280 | Manual valve for hydraulic control system for automatic transmission | Kazuhiko Sugano | 1984-07-31 |
| 4382496 | Torque converter with lockup clutch unit | Takahiro Yamamori, Kazuyoshi Iwanaga | 1983-05-10 |
| 4381050 | Vacuum modulator arrangement for an automatic transmission | Yoshio Sunohara, Kenichi Sakamoto | 1983-04-26 |
| 4369672 | Change-speed transmission with selective bypass of hydrokinetic unit | — | 1983-01-25 |
| 4369865 | Lock-up control system for a torque converter | Yoshio Sunohara | 1983-01-25 |
| 4366724 | Transverse axle automatic transmission | Takahiro Yamamori, Kazuyoshi Iwanaga | 1983-01-04 |
| 4334441 | Gearshift timing control arrangement for automatic power transmission | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-06-15 |
| 4334442 | Shift valve arrangement of hydraulic transmission control system | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-06-15 |
| 4325271 | Shock control arrangement in hydraulic control system of automatic power transmission | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-04-20 |
| 4324154 | Hydraulic control system of automatic power transmission | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-04-13 |
| 4324156 | Method and apparatus for hydraulic control of automatic transmission | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-04-13 |
| 4313354 | Downshift valve in hydraulic transmission control system | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-02-02 |
| 4309919 | Upshift scheduling valve for use in hydraulic transmission control system | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-01-12 |
| 4308765 | Line pressure control device for the hydraulic control system of an automatic power transmission | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1982-01-05 |
| 4307631 | Interlock preventive device for automatic power transmission | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1981-12-29 |
| 4307628 | Automatic power transmission for transverse engine for front-drive vehicle | Takahiro Yamamori, Kazuyoshi Iwanaga | 1981-12-29 |
| 4306469 | Line pressure boost control valve for hydraulic control system of automatic power transmission | Kazuyoshi Iwanaga, Kazuhiko Sugano | 1981-12-22 |
| 4301900 | Lock-up torque converter with clutch piston engageable with converter cover | Yoshio Sunohara | 1981-11-24 |