Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691489 | Automatic player piano exactly reproducing half stroke in playback | Yasuhiko Oba, Jun Yamamoto | 1997-11-25 |
| 5677981 | Video signal recording apparatus which receives a digital progressive scan TV signal and switches the progressive signal frame by frame alternately | Shiro Kato, Masakazu Nishino, Tatsuro Juri, Seiichi Takeuchi | 1997-10-14 |
| 5652399 | Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano | Taro Kawabata, Yasuhiko Oba, Shigeru Muramatsu, Yoshimasa Isozaki, Jun Ishii | 1997-07-29 |
| 5646695 | Video signal processing method and apparatus for use with plural television systems | Shouichi Nishino, Sigeru Awamoto, Toyohiko Matsuda | 1997-07-08 |
| 5627333 | Keyboard musical instrument equipped with built-in distance measuring instrument for hammer sensors | Wayne L. Stahnke, Taro Kawabata, Rei Furukawa, Takashi Tamaki | 1997-05-06 |