Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027074 | Scan optical system, light scan device, and image formation device | Daisuke Tanahashi | 2011-09-27 |
| 7977440 | Optical element and optical pickup apparatus | — | 2011-07-12 |
| 7885007 | Optical element and producing method | — | 2011-02-08 |