Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870583 | Constant speed cruise control system of the duty ratio control type | Minoru Takahashi, Jiro Masuda, Akira Miyazaki, Masaki Hitotsuya, Junji Takahashi +3 more | 1989-09-26 |