Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9978421 | Optical disk device and large-scale optical disk device | Kohei Nakata, Yoshihisa Takahashi | 2018-05-22 |
| 9959901 | Inspection method for optical disc | Harumitsu Miyashita, Yasumori Hino, Tsutomu Kai | 2018-05-01 |