Inventor
KUMAYASU SATOSHI
JP5 patents
Patents
5 patentsUS6714394B1Mar 30, 2004
Electric power feeding line switching method, electric power feeding line switching apparatus and electric power feeding line switching system
MITSUBISHI ELECTRIC CORP21 citations90
US7058305B2Jun 6, 2006
Optical submarine communication system and surge suppressing apparatus of the optical submarine communication system
MITSUBISHI ELECTRIC CORP12 citations82
US6934434B1Aug 23, 2005
Circuit for switching optical paths
MITSUBISHI ELECTRIC CORP9 citations71
US6792192B1Sep 14, 2004
Optical variable attenuator
MITSUBISHI ELECTRIC CORP7 citations71
US6563236B2May 13, 2003
Feed line switching circuit and branching unit
MITSUBISHI ELECTRIC CORP1 citations51