Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250462 | Amphoteric water-soluble polymer dispersion and use thereof | Hiroyuki Koshio | 2007-07-31 |
| 6798402 | Received-light pattern detection apparatus | Junichi Takano | 2004-09-28 |
| 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 |