Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6711326 | Wavelength separation optical device and multiple wavelength light transmission module | Tatsuya Sugita, Koki Hirano, Yuzo Ito | 2004-03-23 |
| 6704478 | Wavelength separation optical device and multiple wavelength light transmission module | Tatsuya Sugita, Koki Hirano, Yuzo Ito | 2004-03-09 |