Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025947 | Optical information recording medium | Fumi Hara, Takeshi Otsu, Isao Matsuda, Shingo Katoh | 2011-09-27 |
| 8014262 | Optical information recording medium | Fumi Hara, Takeshi Otsu, Shingo Katoh, Isao Matsuda | 2011-09-06 |
| 7903535 | Optical information recording medium and manufacturing method of the same | Atsuo Shimizu, Toru Fujii, Isao Okitsu | 2011-03-08 |