Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7333729 | Optical transmitter, optical receiver and optical transmission system using same | Naoki Minato, Satoko Kutsuzawa | 2008-02-19 |
| 7174103 | Optical signal converter, optical encoder, optical decoder, and optical code division multiplexing communication apparatus | Akihiko Nishiki | 2007-02-06 |
| 7034988 | Wavelength conversion device | Hideaki Tamai | 2006-04-25 |
| 6246709 | Integrated optical element and method for manufacturing an integrated optical element | Koji Nakamura, Hideaki Horikawa | 2001-06-12 |
| 5636045 | Photonic switching method and photonic switch utilizing same | Hideaki Okayama, Masato Kawahara, Yoshio Kawai | 1997-06-03 |
| 5233620 | Second-harmonic generating apparatus | Keisuke Shinozaki, Takeshi Kamijoh | 1993-08-03 |