Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7186109 | Stamper holder, mold component, and mold assembly | Atsushi Koyama | 2007-03-06 |
| 7138165 | Intermediate for optical recording medium, mold, molding apparatus, and method of manufacturing optical recording medium | Atsushi Koyama, Mamoru Usami, Kenji Yamaga | 2006-11-21 |
| 7044726 | Mold component and mold assembly | Atsushi Koyama, Mamoru Usami, Kenji Yamaga, Kazuki Suzawa | 2006-05-16 |