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NIPPON TELEPHONE AND TELEGRAPH

Overview
  • Total Patents
    11
About

NIPPON TELEPHONE AND TELEGRAPH has a total of 11 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States and Republic of Korea. Its main competitors in its focus markets computer technology, audio-visual technology and telecommunications are HOLOTEK LTD, HEADPLAY BARBADOS INC and BALOGH TIBOR.

Patent filings in countries

World map showing NIPPON TELEPHONE AND TELEGRAPHs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Republic of Korea 1

Patent filings per year

Chart showing NIPPON TELEPHONE AND TELEGRAPHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suzuki Kenji 1
#2 Togo Hiroyoshi 1
#3 Ugajin Mamoru 1
#4 Kamitsuna Hideki 1
#5 Shimazu Nobuo 1
#6 Tetsutani Nobuji 1
#7 Kikuchi Akira 1
#8 Nobuta Hiroshi 1
#9 Ochiai Katsuyuki 1
#10 Yano Masatsugu 1

Latest patents

Publication Filing date Title
US7412229B2 Sales apparatus and method of transmitting and receiving merchandise information by electric field induced in human body
US5687249A Method and apparatus for extracting features of moving objects
US5006795A Charged beam radiation apparatus