Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694385 | Optical pickup apparatus | Hiroshi Akiyama, Masami Emoto | 1997-12-02 |
| 5661694 | Programmable semiconductor memory device | Yutaka Fukutani, Tomohiro Nakayama, Seizi Hirayama, Waichiro Fujieda, Arayama Youji +5 more | 1997-08-26 |
| 5635951 | Display system with image magnification capability | — | 1997-06-03 |
| 5602823 | Optical recording medium having pre-formatted patterns arrange by shifting phases | Ikuo Aoki, Hiroshi Maegawa | 1997-02-11 |