Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9542969 | Optical recording medium and optical information playback method | Takao Watanabe, Manabu Shiozawa, Koichi Watanabe | 2017-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9542969 | Optical recording medium and optical information playback method | Takao Watanabe, Manabu Shiozawa, Koichi Watanabe | 2017-01-10 |