Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631231 | Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements | Kazuhisa Yamamoto, Tatsuo Kawaguchi, Takashi Yoshino, Minoru Imaeda, Kenji Aoki +1 more | 2003-10-07 |
| 6590915 | Optical apparatus and method for producing the same | Yasuo Kitaoka, Kazuhisa Yamamoto, Makoto Kato, Tomoaki Uno, Kenichi Nishiuchi | 2003-07-08 |
| 6519077 | OPTICAL WAVEGUIDE, OPTICAL WAVELENGTH CONVERSION DEVICE, METHOD FOR PRODUCING THE SAME, SHORT WAVELENGTH LIGHT GENERATION APPARATUS USING THE SAME, OPTICAL INFORMATION PROCESSING APPARATUS USING THE SAME, COHERENT LIGHT GENERATION APPARATUS USING THE SAME, AND OPTICAL SYSTEM USING THE SAME | Kazuhisa Yamamoto, Yasuo Kitaoka, Toshifumi Yokoyama | 2003-02-11 |