Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7322816 | Mold for forming disk substrate | — | 2008-01-29 |
| 7074031 | Die for molding disc substrates | — | 2006-07-11 |
| 7052269 | Die assembly for molding optical disc substrates | — | 2006-05-30 |
| 7018193 | Die for molding disc substrates | — | 2006-03-28 |
| 6994900 | Optical disk and method for manufacturing disk substrate for optical disk | — | 2006-02-07 |
| 6971866 | Die for molding disc substrates | Kazuki Nishi | 2005-12-06 |
| 5997788 | Method of releasing thin discs in molding | — | 1999-12-07 |
| 5849225 | Disc base molding method and apparatus therefor | — | 1998-12-15 |
| 5686026 | Process for manufacturing optical discs | — | 1997-11-11 |
| 5476700 | Disc base and mold for molding the disc base | Ikuo Asai | 1995-12-19 |