Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823094 | Interferometer and its fabrication method | Takashi Goh, Makoto Abe, Masayuki Okuno, Takashi Saida | 2004-11-23 |
| 6775454 | Silica-based optical waveguide circuit and fabrication method thereof | Mikitaka Itoh, Takashi Saida, Yasuhiro Hida | 2004-08-10 |
| 6757454 | Polarization desensitized optical waveguide interferometer | Yasuaki Hashizume, Yoshinori Hibino, Akio Sugita, Yasuhiro Hida, Hiroshi Takahashi | 2004-06-29 |
| 6735358 | Optical multiplexer and optical demultiplexer | Tsutomu Kitoh, Manabu Oguma, Yoshinori Hibino, Kaname Jinguji | 2004-05-11 |
| 6731828 | Waveguide-type optical signal processing circuit | Tsutomu Kitou, Manabu Oguma, Takayuki Mizuno, Yoshinori Hibino, Masaki Koutoku | 2004-05-04 |