Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837727 | Road surface detecting device for vehicle | Toshikazu Ina, Hisasi Kawai | 1989-06-06 |
| 4812838 | Vehicle seat drive control device | Toshikazu Ina, Osamu Nakano, Masahiro Taguchi, Sadahisa Onimaru, Akira Kuno | 1989-03-14 |
| 4809197 | Road surface detecting device | Toshikazu Ina, Hisasi Kawai | 1989-02-28 |