Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968096 | Diffraction device using photonic crystal | Shigeo Kittaka, Kazuaki Oya, Vladimir Serikov | 2005-11-22 |
| 6924457 | Laser processing method to a class substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elements | Tadashi Koyama | 2005-08-02 |
| 6919961 | Adhering substance detector and controller using the same | Fumitoshi Kobayashi, Hideki Imanishi, Harunobu Yoshida, Masahide Wakisaka, Tatsumi Tokuda | 2005-07-19 |
| 6914715 | Optical element | Tatsuhiro Nakazawa, Shigeo Kittaka, Kazuaki Oya, Masatoshi Nara | 2005-07-05 |
| 6903877 | Gradient-index lens, and method for producing the same | — | 2005-06-07 |