Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270271 | Optical recording medium and information recording method | Ippei Ogawa, Takanobu Matsuba | 2012-09-18 |
| 7725004 | Information recorder, information recording medium, and information recording method | — | 2010-05-25 |
| 7410681 | Optical information recording medium | — | 2008-08-12 |
| 7403457 | Method and apparatus for recording information with a multi-layer structure | Ippei Ogawa, Takanobu Matsuba | 2008-07-22 |
| 7160589 | Optical information recording medium | — | 2007-01-09 |
| 6960421 | Optical recording medium and fabricating method thereof | Tatsuo Mikami, Tohru Yashiro, Tomomi Ishimi | 2005-11-01 |
| 6818272 | Optical information recording medium | — | 2004-11-16 |
| 6649240 | Optical information recording medium | — | 2003-11-18 |
| 6562432 | Optical recording medium and method of manufacturing the optical recording medium | Ippei Ogawa, Tohru Yashiro, Yumi Mochizuki | 2003-05-13 |