Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654529 | Ferroelectric domain inverted waveguide structure and a method for producing a ferroelectric domain inverted waveguide structure | Tatsuo Kawaguchi | 2003-11-25 |
| 6631231 | Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements | Kiminori Mizuuchi, Kazuhisa Yamamoto, Tatsuo Kawaguchi, Takashi Yoshino, Kenji Aoki +1 more | 2003-10-07 |
| 6565654 | Process and apparatus for producing a planar body of an oxide single crystal | Toshihisa Yokoyama, Masahiro Murasato, Katsuhiro Imai | 2003-05-20 |
| 6527851 | Process for producing a planar body of an oxide single crystal | Katsuhiro Imai, Akihiko Honda | 2003-03-04 |