Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38611 | Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device | Yuji Takagi, Takahiro Nagai, Shunji Ohara, Isao Satoh | 2004-10-05 |
| 6788876 | Information recording medium, information recording/reproduction system apparatus, and information recording/reproduction method | Yoshiho Gotoh, Kaoru Murase, Tomoyuki Okada | 2004-09-07 |
| 6785219 | Information recording medium, information recording/reproducing method, and information recording/reproducing device | Miyuki Sasaki, Yoshiho Goto | 2004-08-31 |
| 6782487 | Information recording medium information recording method and information recording/reproduction system | Yoshiho Gotoh, Motoshi Ito, Hiroshi Ueda | 2004-08-24 |
| 6762984 | Information recorded medium, information recording/reproducing method, and information recording/reproducing device | Miyuki Sasaki, Yoshiho Goto | 2004-07-13 |
| 6742147 | Information recording medium, and method and apparatus for managing defect thereof | Shinji Sasaki, Motoshi Ito, Hiroshi Ueda | 2004-05-25 |
| 6738878 | Verifying the integrity of a media key block by storing validation data in the cutting area of media | Michael Ripley, Jeffrey Bruce Lotspiech, Atsushi Ishihara, Taku Kato | 2004-05-18 |
| 6732303 | Information recording medium, and method and apparatus for managing defect thereof | Shinji Sasaki, Motoshi Ito, Hiroshi Ueda | 2004-05-04 |
| 6728195 | Multi-layered optical disk with shifted track and layer identification and method of detecting a track | Isao Satoh, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 2004-04-27 |