Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631231 | Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements | Kiminori Mizuuchi, Kazuhisa Yamamoto, Tatsuo Kawaguchi, Takashi Yoshino, Minoru Imaeda +1 more | 2003-10-07 |
| 6556727 | Travelling wave-type optical modulator | Makoto Minakata, Jungo Kondo, Atsuo Kondo, Kenji Aoki | 2003-04-29 |