Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7252496 | Injection molding machine | — | 2007-08-07 |
| 7004747 | Molding die and molding method | — | 2006-02-28 |
| 6174487 | Air blowing method for mold for a disk molding and a mold therefor | — | 2001-01-16 |
| 6164952 | Apparatus for injection compression molding thin disc substrata | — | 2000-12-26 |
| 5961901 | Injection compression molding method and injection compression molding machine | — | 1999-10-05 |
| 5939162 | Bonded composite disk of single-side recorded type, and method and apparatus for producing the same with high thickness accuracy | — | 1999-08-17 |
| 5882700 | Mold for molding disk, having air passages for blowing compressed air to facilitate removal of molded disk | — | 1999-03-16 |
| 5804229 | Mold for molding discs | — | 1998-09-08 |
| 5789053 | Bonded disc and an apparatus for manufacturing the same and the manufacturing method thereof | — | 1998-08-04 |
| 5738886 | Mold for disk substrate | — | 1998-04-14 |
| 5720989 | Mold for molding optical disk, having stamper holding member including mutually engaging inner and outer rings | — | 1998-02-24 |
| 5720994 | Mold for molding discs to be laminated into double discs | — | 1998-02-24 |
| 5718960 | Bonded composite disk, and method and apparatus for producing the same with consistent adhesive thickness | — | 1998-02-17 |
| 5626890 | Mold for molding discs | — | 1997-05-06 |
| 5607705 | Mold for molding disc substrata | — | 1997-03-04 |
| 5593710 | Mold capable of changing a set position of a stamper plate | — | 1997-01-14 |
| 5545365 | Method for molding a disc with a central aperture | — | 1996-08-13 |
| 5476700 | Disc base and mold for molding the disc base | Toshiyuki Ebina | 1995-12-19 |
| 5460763 | Sprueless disc mold and disc molding method thereof | — | 1995-10-24 |
| 5297951 | Mold for producing molded discs | — | 1994-03-29 |
| 4971548 | Injection molding halves for disks | — | 1990-11-20 |
| 4795127 | Mold assembly of injection-molding machine | — | 1989-01-03 |
| 4790738 | Injection mold having rotatable stamper holding ring | Shunichi Shimojo | 1988-12-13 |
| 4772196 | Molding apparatus for producing centrally-apertured discs | — | 1988-09-20 |