Inventor
KAWARAI MASASHIGE
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KAWARAI MASASHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
8 patentsUS7046930B2May 16, 2006
Optical communication system
FUJITSU LTD19 citations81
US6707963B2Mar 16, 2004
Wavelength division multiplexing apparatus
FUJITSU LTD8 citations71
US9800326B2Oct 24, 2017
Optical transmission device and protection wavelength selection method
FUJITSU LTD2 citations70
US6345142B1Feb 5, 2002
Optical attenuation device having different type magneto-optical optical attenuation elements cascaded together
FUJITSU LTD7 citations70
US7529248B2May 5, 2009
Network device provided with ethernet interface
FUJITSU LTD2 citations58
US7706268B2Apr 27, 2010
Transmission device
FUJITSU LTD0 citations40
US9226050B2Dec 29, 2015
Transmission apparatus and transmission method
FUJITSU LTD0 citations39
US7680157B2Mar 16, 2010
Transmitting apparatus and channel speed varying method
FUJITSU LTD0 citations39