Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420067 | Friction member of resin mold type | Yasunobu Yamamoto, Masami Ishii | 1983-12-13 |
| 4416361 | Friction facings reinforced with stitching | Kiyohisa Suzuki, Yasunobu Yamamoto, Toshiaki Sakabe, Hiroshi Ban, Nobuyasu Ishida | 1983-11-22 |
| 4262788 | Friction member of non-asbestos | Yasunobu Yamamoto, Hiroshi Ban, Katumi Nakavishi, Katumi Nakanishi, Toshitake Kato | 1981-04-21 |
| 4187133 | Method for manufacturing a clutch facing | Yasunobu Yamamoto, Toshiaki Sakabe, Yasuhiro Matsumoto | 1980-02-05 |