Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469727 | Optical quantity measuring method and optical quantity measuring apparatus using same | Kenichi Wada, Yuji Kamoda | 2002-10-22 |
| 6441941 | Light shutter device | Isao Doi, Itaru Saito, Tsukasa Yagi, Ken Matsubara, Yuji Kamoda | 2002-08-27 |