Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9638560 | Calibration method and flow rate measurement method for flow rate controller for gas supply device | Masaaki Nagase, Nobukazu Ikeda, Yohei Sawada, Kazuyuki Morisaki, Kouji Nishino +1 more | 2017-05-02 |
| 7848646 | Optical, network, node apparatus and method for recovery path fault | Yasuyuki Fukashiro | 2010-12-07 |
| 7447398 | Optical crossconnect apparatus | Yasuyuki Fukashiro | 2008-11-04 |
| 7435013 | Variable dispersion compensation equipment, optical transmission system using it and method of setting dispersion compensation quantity | Takashi Mori, Yasuyuki Fukashiro, Tetsuya Uda, Hiroyuki Nakano | 2008-10-14 |
| 7415177 | Dispersion compensation device and dispersion compensation method | Yasuyuki Fukashiro, Hiroyuki Nakano, Tetsuya Uda | 2008-08-19 |
| 7218818 | Dispersion compensation device and dispersion compensation method | Yasuyuki Fukashiro, Hiroyuki Nakano, Tetsuya Uda | 2007-05-15 |
| 7215843 | Optical switching apparatus and optical switching method | Yasuyuki Fukashiro | 2007-05-08 |
| 6987899 | Optical switching apparatus and optical switching method | Yasuyuki Fukashiro | 2006-01-17 |
| 6985649 | Optical switching apparatus and optical switching method | Yasuyuki Fukashiro | 2006-01-10 |
| 6714697 | Optical switching apparatus and optical switching method | Yasuyuki Fukashiro | 2004-03-30 |