Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868556 | Cathode ray tube controller | Jyoji Murakami, Katsumi Hashimoto | 1989-09-19 |
| 4841298 | Bit pattern conversion system | Joji Murakami, Syogo Sibazaki | 1989-06-20 |
| 4713621 | Phase synchronization circuit | Haruhiko Nakamura | 1987-12-15 |