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TOKYO ELECTRIC POWER CO

Overview
  • Total Patents
    7,070
  • GoodIP Patent Rank
    22,088
About

TOKYO ELECTRIC POWER CO has a total of 7,070 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, measurement and electrical machinery and energy are UNIV NORTH CHINA ELEC POWER, HOKURIKU ELECTRIC POWER and CHINA EPRI SCI & TECH CO LTD.

Patent filings per year

Chart showing TOKYO ELECTRIC POWER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ito Koichi 156
#2 Tezuka Hideaki 154
#3 Umeda Yoko 120
#4 Iwasaki Minoru 107
#5 Umezawa Shuichi 102
#6 Kurosawa Kiyoshi 92
#7 Mori Harutsugu 87
#8 Nii Yoshiji 86
#9 Yamaguchi Masayuki 75
#10 Okamoto Eiichi 75

Latest patents

Publication Filing date Title
JP2015143718A Method for analyzing fine structure of polymeric material
JP2016035445A Method for measuring flow rate of gas using chemical reaction
JP2015164891A Production method of lithium manganese nickel cobalt complex oxide
JP2015165225A Fault point locating device
JP2016027310A Method of determining surface source strength in radioactive substance contaminated district
WO2016088174A1 Insulated cable inspection support device
WO2016088175A1 Device for estimating remaining life of insulated cable
JP2016037875A Fluid machine
JP2016035081A Corrosion inhibition method for ferrous material in fresh water environment
JP2016036207A Power consumption analysis method
JP2016024131A Flow rate measurement device and flow rate measurement method
JP2016024020A Position correction method, movement locus acquisition device and radiation dose mapping method
JP2016022780A Crawler type robot
JP2016019929A Method for purifying soil contaminated with polychlorinated biphenyl
JP2016017920A Method for finding soil depth of radioactive source and planar radiation source intensity in radioactive material contaminated section
JP2016014618A Nuclear reactor containment hermetic structure and nuclear reactor containment hermetic sealing method
JP2016013006A Crossarm bracket
JP2014169861A Heat exchanger and humidifier
JP2015148590A Method of displaying spatial dose rate, method of measuring spatial dose rate, and directional radiation detector
JP2016006381A Spray facility for spent fuel pool