Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703867 | Optical recording medium having a dummy area at leading and/or trailing positions of recording area | Motoyasu Terao, Akemi Hirotsune, Hiroyuki Minemura, Harukazu Miyamoto | 1997-12-30 |