Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9563176 | Time measurement device | Takashi Kawaguchi, Hideyuki Arai | 2017-02-07 |
| 9354610 | Analog electronic timepiece | Makoto Okeya, Hideyuki Arai | 2016-05-31 |
| 5138590 | Electronic apparatus having movable case | Yuichi Masuda | 1992-08-11 |
| 4786900 | Electronic key apparatus | Hideyuki Shoji, Tomoo Kasuo, Kazunori Kita, Syunichi Matsumoto, Keisuke Tonomura +1 more | 1988-11-22 |