Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4328540 | Door operation control apparatus | Shigeru Matsuoka, Takeshi Tokunaga, Seiji Yonekura, Kenji Nakamura, Mituo Suzuki | 1982-05-04 |
| 4311225 | Device for driving driven member by roller chain | Takeshi Tokunaga, Seiji Yonekura, Shigeru Matsuoka, Makoto Miura, Kozi Yamauchi | 1982-01-19 |