Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007982 | Optical information recording medium | Hisayuki Yamatsu, Norihiro Tanabe | 2011-08-30 |
| 7960092 | Method of recording in an optical information recording medium | Hisayuki Yamatsu, Norihiro Tanabe | 2011-06-14 |