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KDD CORP

Overview
  • Total Patents
    212
About

KDD CORP has a total of 212 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets telecommunications, digital networks and audio-visual technology are ACTION STREAMER LLC, NEC AUSTRALIA PTY LTD and CABLE TELEVISION LAB INC.

Patent filings in countries

World map showing KDD CORPs patent filings in countries
# Country Total Patents
#1 Japan 139
#2 United States 49
#3 EPO (European Patent Office) 15
#4 Canada 4
#5 France 3
#6 Germany 1
#7 Israel 1

Patent filings per year

Chart showing KDD CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suzuki Masatoshi 32
#2 Yamamoto Shu 31
#3 Matsumoto Shuichi 17
#4 Edagawa Noboru 15
#5 Hashimoto Kazuo 15
#6 Horiuchi Yukio 14
#7 Taga Hidenori 14
#8 Nakajima Yasuyuki 12
#9 Tani Toshio 12
#10 Nakai Tetsuya 12

Latest patents

Publication Filing date Title
US7380015B1 Apparatus and method for compression-transmitting and decoding picture information and storage medium stored its control programs
JP2001249680A Method for converting acoustic parameter, and method and device for voice recognition
US6973126B1 Video coding apparatus according to a feature of a video picture
US6976070B1 Method and apparatus for automatic information filtering using URL hierarchical structure and automatic word weight learning
EP1122898A1 Optical repeater monitoring system and a method thereof
JP2001177439A Spread spectrum communication method
JP2001069070A Mobile communication system having zone shift controller
JP2001086061A Mobile communication system to compensate radio coverage
JP2001086534A Objective quality evaluation device for digital transmission image
JP2001075937A Neural network input discriminating device
JP2001077738A Low orbit satellite communication system constituting cell specific to user
JP2001075928A Software quality evaluation system and recording medium recording program therefor
JP2001061149A Image coder of switching frame structure/field structure
JP2001051969A Neural network means having right/wrong answer discriminating function
JP2001054117A Motion compensation image coding method and system
JP2001042896A Speaker recognition system and apparatus therefor
JP2001045019A Method for recovering fault in atm network
JP2001045525A Quality evaluation device for compressed transmission image and transmitter and receiver used for it
JP2001028006A Method and device for automatic information filtering
JP2001028573A Optical transmitter-receiver, optical transmitter and optical receiver