Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4189912 | Combination calculator and timepiece | Junji Aoki, Tadashi Tomino | 1980-02-26 |
| 4190329 | Liquid crystal display cell of the reflection type | Satoshi Teramura, Shinji Tsugei, Kazuyoshi Hirayama | 1980-02-26 |