Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229275 | Disk substrate, mold apparatus for injection molding the same, and disk substrate taking-out robot | Jun Nakano, Jun Shimizu | 2007-06-12 |
| 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 |
| 6302674 | Optical disc molding apparatus | Nobuyuki Arakawa, Yuji Akiyama | 2001-10-16 |
| 6142761 | Optical disc molding apparatus | Nobuyuki Arakawa, Yuji Akiyama | 2000-11-07 |