Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836492 | Laser-diode module, optical transceiver and fiber transmission system | Kenji Kogo, Kouji Yoshida | 2004-12-28 |
| 6810189 | Optical waveguide and method for preparing the same | Takamitsu Nagara, Tadahiro Kimura, Tooru Takahashi | 2004-10-26 |
| 6744945 | Wavelength multiplexer and optical unit | Taira Kinoshita | 2004-06-01 |
| 6739764 | Optical module and optical communication system | Kouji Yoshida | 2004-05-25 |