Inventor
TSUYAMA ISAO
JP10 patents
Patents
10 patentsUS6404940B1Jun 11, 2002
Optical cross connect apparatus and optical network
FUJITSU LTD58 citations96
US6154583ANov 28, 2000
Optical switch
FUJITSU LTD53 citations96
US6522803B1Feb 18, 2003
Optical cross-connect equipment
FUJITSU LTD42 citations92
US6496289B1Dec 17, 2002
Optical exchanger
FUJITSU LTD22 citations92
US6433900B1Aug 13, 2002
Optical wavelength multiplexing system having a redundant configuration
FUJITSU LTD37 citations92
US7203392B2Apr 10, 2007
Optical apparatus for bidirectional optical communication
FUJITSU LTD10 citations82
US6947630B2Sep 20, 2005
Control method and control apparatus for variable wavelength optical filter
FUJITSU LTD5 citations62
US6895141B2May 17, 2005
Control method and device for optical filter, and optical node device
FUJITSU LTD6 citations62
US7599140B2Oct 6, 2009
Output control device and recording-medium-driver control device
FUJITSU LTD4 citations61
US7120321B2Oct 10, 2006
Control method and device for optical filter
FUJITSU LTD0 citations41