Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646520 | Torque fluctuation absorber between a flywheel and a stepless hydraulic transmission | Mitsumasa Furumoto, Kouji Yamaguchi, Kenichi Ikejiri | 1987-03-03 |
| 4637293 | Slant plate type hydraulic device | Kouji Yamaguchi, Noboru Yamamoto | 1987-01-20 |
| 4478134 | Swash plate type hydraulic device | Koichi Ikeda | 1984-10-23 |
| 4444093 | Slant plate type hydraulic device | Kiyoshi Koga, Kenichi Ikejiri | 1984-04-24 |