Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855951 | Method for erasing recording in a PHB memory | Yasushi Tomioka, Shuji Imazeki, Motoyasu Terao, Yoshio Taniguchi | 1989-08-08 |
| 4811348 | Semiconductor laser array device | Akira Arimoto, Susumu Saito | 1989-03-07 |
| 4806952 | Information recording apparatus for recording/reproducing information by irradiating an information recording medium with an energy beam | Tetsuya Nishida, Motoyasu Terao, Yasushi Miyauchi, Shinkichi Horigome, Kazuo Shigematsu +2 more | 1989-02-21 |