Inventor
WADA TETSUO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “WADA TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
10 patentsUS6560008B1May 6, 2003
Controlling apparatus and controlling method for wavelength division multiplexing optical amplifier
FUJITSU LTD31 citations92
US7092638B2Aug 15, 2006
Optical multiplex communication system, optical transmission apparatus, and control method of optical multiplex communication
FUJITSU LTD29 citations87
US6937820B2Aug 30, 2005
Optical level control method
FUJITSU LTD20 citations84
US7343102B2Mar 11, 2008
Optical transmission system with automatic signal level adjustment and startup functions
FUJITSU LTD16 citations83
US6583909B1Jun 24, 2003
Optical communication system and optical signal control method therefor
FUJITSU LTD16 citations83
US6064513AMay 16, 2000
Optical transmission system
FUJITSU LTD9 citations73
US7509055B2Mar 24, 2009
Optical transmission system with automatic signal level adjustment and startup functions
FUJITSU LTD4 citations62
US7006278B2Feb 28, 2006
Wavelength-division multiplexing optical transmission system and repeater station therein
FUJITSU LTD4 citations62
US6870666B2Mar 22, 2005
Controlling apparatus and controlling method for wavelength division multiplexing optical amplifier
FUJITSU LTD5 citations62
US4816699AMar 28, 1989
Slice amplifier using FET's
FUJITSU LTD3 citations62