Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081545 | Optical disk image forming device and optical disk image forming method | Seiya Yamada, Hisanori Itoga, Hiroshi Kubo, Michihiro Shibata | 2011-12-20 |
| 7957252 | Optical disc and method for image forming thereon | Hiroshi Kubo, Michihiro Shibata, Seiya Yamada, Hisanori Itoga | 2011-06-07 |
| 7898914 | Optical disk recording apparatus and method of forming visible image on optical disk | Hisanori Itoga, Seiya Yamada | 2011-03-01 |
| 7864207 | Optical disk drawing apparatus | Kazuya Mushikabe, Hisanori Itoga | 2011-01-04 |