Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7289173 | Polarizing device, and method for manufacturing the same | Mitsuhiro Kawazu, Shinji Kawamoto, Hiroaki Yamamoto, Hideshi Nagata, Hiroyuki Inomata | 2007-10-30 |
| 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 |
| 6783254 | Light guide and line illuminating device | Kozo Fujino, Shinji Kawamoto, Masafumi Taguchi | 2004-08-31 |