Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885326 | Composition of stabilized synthetic resin | Tohru Haruna, Mitsuhiro Hamajima | 1989-12-05 |
| 4885750 | Method and apparatus for error correction | Koji Tanaka, Kazuya Yamada | 1989-12-05 |
| 4868827 | Digital data processing system | Kazuya Yamada, Koji Tanaka, Yasuhiro Yamada | 1989-09-19 |
| 4822522 | Hindered phenol amides | Kenji Tajima, Takao Nishina | 1989-04-18 |
| 4811370 | Digital muting circuit | Kazuya Yamada, Koji Tanaka | 1989-03-07 |