Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10068604 | Information recording device and data erasing method | Harumitsu Miyashita, Kohei Nakata | 2018-09-04 |
| 10002633 | Optical disk, optical disk recording method, optical disk recording device, and integrated circuit | Kohei Nakata, Harumitsu Miyashita | 2018-06-19 |