Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686519 | Multicolor picture display device | Hirohiko Yoshida | 1987-08-11 |
| 4663670 | Television receiver having a liquid crystal display device | Katsu Ito, Munehiro Shinabe, Akira Miyajima, Nobuyuki Hashimoto, Hideshi Ohno +2 more | 1987-05-05 |
| 4283782 | Alarm timepiece | Munetaka Tamaru | 1981-08-11 |
| 4272836 | Alarm timepiece | Munetaka Tamaru, Sizuo Yamaguchi | 1981-06-09 |
| 4268913 | Electronic calculator watch | Tadahiko Nakagiri, Kunihiro Daigo, Toshiaki Oguchi, Toshikazu Hatuse, Toshikazu Shimazaki +6 more | 1981-05-19 |
| 4257115 | Switch structure for electronic timepiece | Toshikazu Hatuse, Toshikazu Shimazaki, Kouhei Kawanobe, Hiroshi Ogawa | 1981-03-17 |