Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654529 | Ferroelectric domain inverted waveguide structure and a method for producing a ferroelectric domain inverted waveguide structure | Minoru Imaeda | 2003-11-25 |
| 6631231 | Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements | Kiminori Mizuuchi, Kazuhisa Yamamoto, Takashi Yoshino, Minoru Imaeda, Kenji Aoki +1 more | 2003-10-07 |