Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665120 | Reflective optical element | Masanobu Ohgane | 2003-12-16 |
| 6648482 | Polygon mirror and method of manufacturing the same, optical scanner and electrophotograph | Yasuhiro Matsuo | 2003-11-18 |