Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6183365 | Movement measuring device, electronic game machine including movement measuring device, and method of playing game machine | Masakatsu Yamagishi | 2001-02-06 |
| 5274610 | Electronic reading device | Isao Mimura | 1993-12-28 |
| 4786900 | Electronic key apparatus | Katsuaki Karasawa, Hideyuki Shoji, Tomoo Kasuo, Kazunori Kita, Syunichi Matsumoto +1 more | 1988-11-22 |