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KDD SUBMARINE CABLE SYS INC

Overview
  • Total Patents
    38
About

KDD SUBMARINE CABLE SYS INC has a total of 38 patent applications. Its first patent ever was published in 1999. It filed its patents most often in Japan, EPO (European Patent Office) and Canada. Its main competitors in its focus markets optics, telecommunications and digital networks are OCLARO INC, HARMONIC LIGHTWAVES INC and EVANS PETER W.

Patent filings in countries

World map showing KDD SUBMARINE CABLE SYS INCs patent filings in countries
# Country Total Patents
#1 Japan 21
#2 EPO (European Patent Office) 7
#3 Canada 5
#4 United States 5

Patent filings per year

Chart showing KDD SUBMARINE CABLE SYS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suzuki Masatoshi 15
#2 Taga Hidenori 10
#3 Edakawa Noboru 6
#4 Goto Koji 6
#5 Edagawa Noboru 6
#6 Kawazawa Toshio 3
#7 Shibano Eiichi 3
#8 Tsuritani Takehiro 3
#9 Miyakawa Takayuki 3
#10 Usami Masashi 3

Latest patents

Publication Filing date Title
JP2002026816A Backup control system for optical wavelength multiplex transmission terminal station and optical wavelength multiplex transmission terminal station having backup function
JP2002026813A Gain equalizer
JP2002023118A Optical circuit
JP2002016551A Optical transmitter, optical transmission line and optical transmission system
JP2002014383A Raman amplifier
JP2002009699A Method and device for deciding discrimination of threshold of received signal and optical transmission system
JP2001356377A Pump light generator and fiber raman amplifier
JP2001337231A Method for manufacturing optical fiber transmission path, optical fiber transmission path and optical cable
JP2001308789A Optical processor
JP2001308791A Variable gain equalizer
JP2001308790A Optical transmission system and optical transmission line
JP2001308420A Optical amplifier
JP2001230707A Feeder connector
JP2001197001A Optical device
JP2001168734A Fec frame constitution method and fec multiplexer
JP2001148527A Optical amplifier and gain controller
JP2001148665A Bidirectional light amplification device
JP2001127737A Light transmitter and automatic polarized wave converter
JP2001125152A Light transmission system and light transmission path
JP2001094535A Optical transmission system