Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7660027 | Optical modulator and modulation method | Tsutomu Niiho, Kouichi Masuda, Masaru Fuse, Fumio Fujisaki, Tomoaki Ohira | 2010-02-09 |
| 6748173 | Optical transmission system and optical transmission apparatus used therefor | Yoshikazu Ishii, Susumu Kirii, Hideto Takahashi, Shinshi Kuno | 2004-06-08 |