Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921568 | Optical recording medium | Hiroyasu Inoue, Hideki Ishizaki, Hiroshi Takasaki | 2005-07-26 |
| 6898796 | Optical information medium and making method | Tsuyoshi Komaki, Kenji Yamaga | 2005-05-24 |
| 6866884 | Optical information medium | Naoki Hayashida | 2005-03-15 |
| 6844045 | Method for making optical information medium and optical information medium | Tsuyoshi Komaki, Tomoki Ushida, Mamoru Usami | 2005-01-18 |