Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11475917 | Objective lens, optical head device, optical information device, and optical disk system | Yoshiaki Komma, Kazuhiro Minami | 2022-10-18 |
| 11475918 | Recording state evaluation method, recording compensation method, and information recording/playback device | Kohei Nakata, Yasumori Hino | 2022-10-18 |
| 11295779 | Optical disk device | Kohei Nakata | 2022-04-05 |