Inventor
TAKAIWA KAZUMARO
JP6 patents
Patents
6 patentsUS5030951AJul 9, 1991
Format converting system for synchronous optical network
FUJITSU LTD46 citations88
US7092638B2Aug 15, 2006
Optical multiplex communication system, optical transmission apparatus, and control method of optical multiplex communication
FUJITSU LTD29 citations87
US7058298B2Jun 6, 2006
Optical transmission device and optical transmission system
FUJITSU LTD4 citations59
US7301896B2Nov 27, 2007
Redundant changeover apparatus
FUJITSU LTD3 citations58
US7843839B2Nov 30, 2010
Transmission device serially resetting each circuit included therein
FUJITSU LTD0 citations45
US7554779B2Jun 30, 2009
Distributed power supply circuit
FUJITSU LTD0 citations45