Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689495 | High density optical disc and optical disc player | Yoichi Tsuchiya, Hitoshi Terasaki, Shuichi Ichiura, Toshio Ito, Yoshimoto Yamaguchi +2 more | 1997-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689495 | High density optical disc and optical disc player | Yoichi Tsuchiya, Hitoshi Terasaki, Shuichi Ichiura, Toshio Ito, Yoshimoto Yamaguchi +2 more | 1997-11-18 |