Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438282 | Optical switching device and image display device | Takashi Takeda, Masatoshi Yonekubo, Hirokazu Ito | 2002-08-20 |
| 6381381 | Optical switching device and image display device | Takashi Takeda, Masatoshi Yonekubo, Hirokazu Ito | 2002-04-30 |