Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606294 | Optical disk having read-only and rewritable areas | Yoshinari Takemura, Takashi Ishida, Isao Satoh | 2003-08-12 |
| 6587414 | Information recording method, information recording/reproducing apparatus, and information recording medium | Takashi Ishida, Yoshikazu Goto, Isao Satoh | 2003-07-01 |
| 6560187 | Information recording method, information recording/reproducing apparatus, and information recording medium | Takashi Ishida, Yoshikazu Goto, Isao Satoh | 2003-05-06 |
| 6549499 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Takahiro Nagai, Yoshihisa Fukushima, Isao Satoh | 2003-04-15 |