Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025947 | Optical information recording medium | Takeshi Otsu, Isao Matsuda, Shingo Katoh, Masashi Satoh | 2011-09-27 |
| 8018822 | Optical information recording medium | Takeshi Otsu, Shinichi Kojo, Atsuo Shimizu, Motomitsu Hagiwara | 2011-09-13 |
| 8014262 | Optical information recording medium | Takeshi Otsu, Masashi Satoh, Shingo Katoh, Isao Matsuda | 2011-09-06 |
| 7981494 | Optical informaton recording medium | Takuo Kodaira, Isao Matsuda, Takeshi Otsu | 2011-07-19 |
| 7867595 | Optical information recording medium | Takeshi Otsu, Akimasa Miyata, Motomitsu Hagiwara, Isao Matsuda, Shingo Kato +1 more | 2011-01-11 |