Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792167 | Optical switch | Mitsutoshi Honda, Takashi Naito, Masahiko Ando | 2004-09-14 |
| 6711326 | Wavelength separation optical device and multiple wavelength light transmission module | Koki Hirano, Tomiya Abe, Yuzo Ito | 2004-03-23 |
| 6704478 | Wavelength separation optical device and multiple wavelength light transmission module | Koki Hirano, Tomiya Abe, Yuzo Ito | 2004-03-09 |