Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452710 | Optical element, optical control method and device using this optical element, and method of manufacturing optical element | Takashi Hiraga, Tetsuo Moriya, Norio Tanaka, Ichiro Ueno, Koji TSUJITA | 2002-09-17 |