Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599140 | Output control device and recording-medium-driver control device | — | 2009-10-06 |
| 7203392 | Optical apparatus for bidirectional optical communication | — | 2007-04-10 |
| 7120321 | Control method and device for optical filter | Hideyuki Miyata, Yutaka Kai | 2006-10-10 |
| 6947630 | Control method and control apparatus for variable wavelength optical filter | Yutaka Kai, Hideyuki Miyata | 2005-09-20 |
| 6895141 | Control method and device for optical filter, and optical node device | Hideyuki Miyata, Yutaka Kai | 2005-05-17 |
| 6522803 | Optical cross-connect equipment | Ichiro Nakajima, Satoshi Kuroyanagi | 2003-02-18 |
| 6496289 | Optical exchanger | Satoshi Kuroyanagi, Tetsuya Nishi, Takuji Maeda, Ichiro Nakajima | 2002-12-17 |
| 6433900 | Optical wavelength multiplexing system having a redundant configuration | Satoshi Kuroyanagi, Tetsuya Nishi, Ichiro Nakajima, Takuji Maeda | 2002-08-13 |
| 6404940 | Optical cross connect apparatus and optical network | Ichiro Nakajima, Satoshi Kuroyanagi | 2002-06-11 |
| 6154583 | Optical switch | Satoshi Kuroyanagi, Tetsuya Nishi, Takuji Maeda, Ichiro Nakajima | 2000-11-28 |