Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968096 | Diffraction device using photonic crystal | Shigeo Kittaka, Kazuaki Oya, Keiji Tsunetomo | 2005-11-22 |
| 6856451 | Optical communication system | Masahiro Oikawa, Ken Yamashita, Chandrasekhar Roychoudhuri | 2005-02-15 |
| 6845186 | Optical circuit with harmonic generator | Masahiro Oikawa, Ken Yamashita, Koichiro Nakamura, Chandrasekhar Roychoudhuri | 2005-01-18 |