Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7282007 | Multiple-speed transmission for automotive vehicle | — | 2007-10-16 |
| 7037232 | Multiple-speed transmission for automotive vehicle | — | 2006-05-02 |
| 6935985 | Gear change-speed unit for automatic transmission | — | 2005-08-30 |
| 6910985 | Gear-operated speed change apparatus for automatic transmission | Yasuo Sumi | 2005-06-28 |
| 6884197 | Gear shifter for automatic transmission | Yasuo Sumi | 2005-04-26 |
| 6790155 | Speed change gear for automatic transmission | — | 2004-09-14 |
| 6752737 | Gear speed-changing apparatus for automatic transmissions | Yasuo Sumi | 2004-06-22 |
| 5865289 | Hydraulic engagement apparatus for automatic transmissions | — | 1999-02-02 |
| 5088352 | System for controlling hydraulic fluid pressure for V-belt type automatic transmission | — | 1992-02-18 |
| 4907471 | V-belt type continuously variable transmission | — | 1990-03-13 |
| 4483215 | Transmission with overdrive | Kunio Ohtsuka | 1984-11-20 |
| 4445401 | Gear shift shock reducing apparatus for hydraulic control system of automatic transmission | — | 1984-05-01 |
| 4440282 | Clutch drum for automatic automotive transmission | Kazuyoshi Fujioka | 1984-04-03 |