Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669280 | Hydraulic control apparatus | Tsunefumi Niiyama, Kazuhisa Yamamoto | 1997-09-23 |
| 5630492 | Oil supplying and discharging structure for canceller in hydraulic clutch | Kazuhisa Yamamoto, Yoichi Kojima, Yoshihiro Kodama | 1997-05-20 |