Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788865 | Polarization maintaining optical fiber with improved polarization maintaining property | Satoki Kawanishi | 2004-09-07 |
| 6724957 | Optical filter | Takashi Saida, Takayuki Mizuno, Akira Himeno, Koichi Takiguchi, Manabu Oguma | 2004-04-20 |
| 6711313 | CDMA encoder-decoder, CDMA communication system, WDM-CDMA communication system | Koichi Takiguchi, Tomohiro Shibata, Masao Kato, Takashi Goh | 2004-03-23 |