Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764737 | Method of producing information recording medium, production apparatus and information recording medium | Nobuyuki Arakawa | 2004-07-20 |
| 6703100 | Disk-like recording medium and method for producing the same | Nobuyuki Arakawa, Yuji Akiyama, Toshiyuki Kashiwagi | 2004-03-09 |