Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954562 | Matrix switch of optical waveguide type and method for manufacturing the same | Katsuhiko Kurumada, Toshiaki Tamamura, Makoto Sato, Katsunari Okamoto | 2005-10-11 |
| 6885823 | Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing method | Kuniharu Kato, Yasufumi Yamada, Taisuke Oguchi | 2005-04-26 |