Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771426 | Input-output optical system of spatially optical coupled type, and optical switch | Tamotsu Akashi, Shinichi Takeuchi | 2004-08-03 |
| 6768573 | Polarization control optical space switch | Tetsuya Nishi, Takuji Maeda, Satoshi Kuroyanagi | 2004-07-27 |
| 6723047 | Volition induction apparatus and input/output apparatus which use optical measuring instrument, and recording medium | Atsushi Maki, Yoshitoshi Ito, Yuichi Yamashita, Hideaki Koizumi | 2004-04-20 |