Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8441906 | Information recording medium, information recording apparatus, and information reproducing apparatus | Keiji Katata | 2013-05-14 |
| 8190978 | Information recording/reproducing apparatus, and information recording medium | — | 2012-05-29 |
| 8020076 | Information recording/reproducing apparatus, and information recording medium | — | 2011-09-13 |
| 7545721 | Optical recording medium and recording apparatus, the medium including a linking region between unit block regions | — | 2009-06-09 |
| 7512866 | Information recording/reproducing apparatus, and information recording medium | — | 2009-03-31 |
| 7484164 | Information recording/reproducing apparatus, and information recording medium | — | 2009-01-27 |
| 7484163 | Information recording/reproducing apparatus, and information recording medium | — | 2009-01-27 |
| 7480849 | Information recording/reproducing apparatus, and information recording medium | — | 2009-01-20 |
| 7415650 | Information recording/reproducing apparatus, and information recording medium | — | 2008-08-19 |
| 7404135 | Information recording/reproducing apparatus, and information recording medium | — | 2008-07-22 |
| 7313069 | Optical recording medium and recording apparatus, the medium including a linking region between unit block regions | — | 2007-12-25 |
| 7301860 | Recording disc and apparatus and method for reproducing recorded information | Tetsuya Iida | 2007-11-27 |
| 7301876 | Multi-layered disc and multi-layered disc reproducing apparatus | — | 2007-11-27 |
| 7292509 | Recording disc and apparatus and method for reproducing recorded information | Tetsuya Iida | 2007-11-06 |
| 7283456 | Reproduction-only recording medium | — | 2007-10-16 |
| 7266753 | Information recording/reproducing apparatus, and information recording medium | — | 2007-09-04 |
| 7082082 | Apparatus for recording and playing back information from an optical disk having PEP and BCA blocks | — | 2006-07-25 |
| 6980494 | Optical disc recording method and apparatus, optical disc, and optical disc reproducing apparatus | — | 2005-12-27 |
| 6977880 | Multi-layered disc and multi-layered disc reproducing apparatus | — | 2005-12-20 |
| 6965551 | Recording disk and recording apparatus having a copy prevention feature | — | 2005-11-15 |
| 6335070 | Record medium, record medium manufacturing apparatus and information recording/reproducing apparatus | — | 2002-01-01 |
| 6058087 | Information recording apparatus, information recording medium and information reproducing apparatus | — | 2000-05-02 |
| 5835467 | Apparatus for reproducing recorded information | Hiroki Kuribayashi | 1998-11-10 |
| 5796711 | Optical disc having plural zones of recording tracks | Hideki Hayashi | 1998-08-18 |
| 5768243 | Optical recording medium and its recording apparatus and reproducing apparatus | Hideo Kudo | 1998-06-16 |