Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840247 | Device for controlling 4wd vehicle central differential restriction device according to front and rear wheels rotational speed difference, and method of operation thereof | Yuji Kashihara, Yasunari Nakamura, Hiroshi Ito, Tokuyuki Takahashi | 1989-06-20 |