Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8631286 | Information storage device | — | 2014-01-14 |
| 8031567 | Data recording method and data recording device for write-once type recording medium | Katsumi Akagi | 2011-10-04 |
| 7492683 | Information recording method, information recording system, drive control unit, and semiconductor integrated circuit for recording information on a recording medium having a volume space | Yoshiho Gotoh | 2009-02-17 |