Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9792942 | Optical information medium having multiple layers with management information areas disposed at the same distance from center | Hisae Kato, Motoshi Ito | 2017-10-17 |
| 9741383 | Optical disk recording method, optical disk apparatus, and optical disk medium | Kohei Nakata, Yasumori Hino, Harumitsu Miyashita, Junichi Minamino | 2017-08-22 |
| 9542971 | Optical disc library apparatus having magazine-disc association information, optical disc, and optical disc library system | Akihito YOSHIMI | 2017-01-10 |