Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025947 | Optical information recording medium | Fumi Hara, Takeshi Otsu, Shingo Katoh, Masashi Satoh | 2011-09-27 |
| 8014262 | Optical information recording medium | Fumi Hara, Takeshi Otsu, Masashi Satoh, Shingo Katoh | 2011-09-06 |
| 7981494 | Optical informaton recording medium | Takuo Kodaira, Takeshi Otsu, Fumi Hara | 2011-07-19 |
| 7867595 | Optical information recording medium | Takeshi Otsu, Akimasa Miyata, Motomitsu Hagiwara, Fumi Hara, Shingo Kato +1 more | 2011-01-11 |