Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5759332 | Process of reproducing optical discs and optical discs produced by the same | Masahide Itoigawa, Shinichi Hanzawa, Masaaki Motokawa, Yoshikazu Hirai, Haruhisa Maruyama | 1998-06-02 |