Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858500 | Apparatus for controlling lock-up clutch in automatic transmission system having main transmission and sub-transmission | Yoshiharu Harada, Yutaka Taga, Kagenori Fukumura, Yoichi Hayakawa | 1989-08-22 |