Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9741383 | Optical disk recording method, optical disk apparatus, and optical disk medium | Kohei Nakata, Yasumori Hino, Junichi Minamino, Yoshihisa Takahashi | 2017-08-22 |
| 9691426 | Optical device and optical disc recording or reproducing method for optical disc including BCA having zone format identifier | Kohei Nakata | 2017-06-27 |