Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8659818 | Optical-path-switching apparatus and light signal optical-path-switching method | Ichiro Ueno, Takashi Hiraga, Noritaka Yamamoto, Hirobumi Watanabe, Shiro Futaki +2 more | 2014-02-25 |
| 8208770 | Optical deflection method and optical deflection apparatus | Ichiro Ueno, Nobutaka Tanigaki, Noritaka Yamamoto, Toshiko Mizokuro, Takashi Hiraga +2 more | 2012-06-26 |
| 8180226 | Optical receiver | Masahito Mure, Masahide Miyachi, Kaoru Higuma, Norikazu Miyazaki, Toshio Kataoka +3 more | 2012-05-15 |
| 8054524 | Optical amplifier | Hiroshi Nagaeda, Yoichi Oikawa, Yoshiaki Horiuchi | 2011-11-08 |
| 7826696 | Optical deflection method and optical deflection apparatus | Ichiro Ueno, Nobutaka Tanigaki, Noritaka Yamamoto, Toshiko Mizokuro, Takashi Hiraga +2 more | 2010-11-02 |
| 7565040 | Optical device using variable polarization element | Hiroshi Nagaeda | 2009-07-21 |
| 7511894 | Optical flip-flop circuit | Takashi Hiraga, Nobutaka Tanigaki, Noritaka Yamamoto, Toshiko Mizokuro, Ichiro Ueno +2 more | 2009-03-31 |