Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703867 | Optical recording medium having a dummy area at leading and/or trailing positions of recording area | Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Harukazu Miyamoto | 1997-12-30 |
| 5608710 | Phase changing recording medium with amorphous points each formed by a pair of high power and low recording pulses | Tetsuya Fushimi | 1997-03-04 |