Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8119216 | Optical information recording medium and manufacturing method thereof | Takeshi Otsu, Isao Matsuda, Shingo Katoh, Masashi Satoh | 2012-02-21 |
| 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 |
| 7859982 | Optical information recording medium and mold apparatus for manufacturing the same | Isao Matsuda, Toru Fujii, Yoshikazu Takagishi | 2010-12-28 |
| 7830778 | Optical information recording medium | Isao Matsuda, Takeshi Otsu, Motomitsu Hagiwara, Akimasa Miyata | 2010-11-09 |
| 7498070 | Optical information recording medium | Sachiko Ishibashi, Toru Fujii, Yuji Arai | 2009-03-03 |
| 7270864 | Optical information recording medium | Sachiko Ishibashi, Masashi Satoh, Toru Fujii, Yuji Arai | 2007-09-18 |