Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649714 | Tool holder | Teruhisa Uchida, Takanori Hashimoto, Koichi Sugiura, Kenji Ueda | 1997-07-22 |
| 5616880 | Keyboard musical instrument equipped with hammer shank stopper where hammer assembly rebounds without deflection of shank | Hajime Hayashida, Takashi Aoyagi, Satoshi Inoue, Ringi Nozue, Kiyoshi Kawamura | 1997-04-01 |