Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904240 | Optical multiplexing apparatus and optical multiplexing method | Katsuhiko Suga | 2005-06-07 |
| 6868200 | Wavelength division multiplexing optical transmission apparatus | Koichi Kimotsuki, Kazunori Hayami, Tatsuo Nagayoshi | 2005-03-15 |