Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792181 | Wavelength-multiplexing bidirectional optical transmission module | — | 2004-09-14 |
| 6753997 | Magnetic field generator for optical devices utilizing magneto-optical effect | Nobuhiro Fukushima, Satoshi Tachibana | 2004-06-22 |