Learn more

NIPPON TELEGRAPH & TELEPHONE

Overview
  • Total Patents
    101,515
  • GoodIP Patent Rank
    116
  • Filing trend
    ⇩ 6.0%
About

NIPPON TELEGRAPH & TELEPHONE has a total of 101,515 patent applications. It decreased the IP activity by 6.0%. Its first patent ever was published in 1948. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets telecommunications, digital networks and optics are NIPPON TELEGRAPH & TELEPHONE CORP, KOREA ELECTRONICS TELECOMM and CSELT CENTRO STUDI LAB TELECOM.

Patent filings per year

Chart showing NIPPON TELEGRAPH & TELEPHONEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Moriya Takehiro 648
#2 Yamanaka Naoaki 557
#3 Shimizu Atsushi 465
#4 Harada Noboru 451
#5 Kawachi Masao 381
#6 Kimata Hideaki 373
#7 Sonehara Noboru 372
#8 Mizoguchi Masato 363
#9 Shinagawa Mitsuru 362
#10 Kamikura Kazuto 360

Latest patents

Publication Filing date Title
JP2021005429A Image adjustment device, method, and program
JP2021002885A Communication system, subscriber line termination device, and subscriber line end station device
JP2021002886A Communication system, subscriber line termination device, and subscriber line end station device
JP2020205653A Data number determination apparatus, data number determination method, and data number determination program
JP2021005417A Verification device, method, and program
WO2021045194A1 Voice conversion device, voice conversion learning device, image generation device, image generation learning device, voice conversion method, voice conversion learning method, image generation method, image generation learning method, and computer program
JP2020201282A Navigation satellite system receiver, navigation satellite signal processing method, and program
WO2021044908A1 Translation device, translation method, and program
WO2021039545A1 Abnormality detection device, abnormality detection method, and program
WO2021039516A1 Spatial image generation device, object detection device, and object detection method
JP2020194188A Broadband branch optical circuit
JP2021002040A Conversation breakdown feature quantity extraction device, conversation breakdown feature quantity extraction method, and program
JP2020203093A Athletic performance estimation device, training device, methods thereof, and program
WO2021033569A1 Rehabilitation assistance system, rehabilitation assistance method, and rehabilitation assistance program
WO2021033570A1 Rehabilitation support system, rehabilitation support method, and rehabilitation support program
JP2020189122A Training device, method thereof, and program
JP2020175240A Analysis data collection device, method therefor, program, and data structure
JP2020171864A Biological electrostimulator and method
WO2021020525A1 Route control device, route control method, and program
WO2021020341A1 Signal transmitting system and signal transmitting method