Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444887 | String-plucking type electronic musical instrument with photo sensor for generating signal for sound | Tadashi Hiraoka | 2002-09-03 |
| 6390471 | Apparatus for detecting passage of a game medium and a game machine employing same | Toshiaki Shinbo, Jinichi Matsumoto, Sumito Oda, Shinichi Odake | 2002-05-21 |