Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9025425 | Optical information recording device and method | — | 2015-05-05 |
| 8614937 | Optical information recording device and method | — | 2013-12-24 |
| 8520489 | Optical disc medium, reproduction method thereof and reproduction apparatus | — | 2013-08-27 |
| 8284648 | Optical disk recording apparatus | Koichiro Nishimura, Manabu Katsuki, Takakiyo Yasukawa | 2012-10-09 |
| 8050165 | Optical information recording apparatus and optical information recording method | Yutaka Nagai, Koichiro Nishimura | 2011-11-01 |