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ELECTRIC POWER DEV CO

Overview
  • Total Patents
    678
  • GoodIP Patent Rank
    36,365
  • Filing trend
    ⇩ 33.0%
About

ELECTRIC POWER DEV CO has a total of 678 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 1897. 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, basic materials chemistry and biotechnology are SP LONGYUAN POWER TECHNOLOGY & ENG CO LTD, TOSHIBA FUEL CELL POWER SYS and FURUYA CHOICHI.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Masuyama Naoto 33
#2 Miyanaga Yoshiharu 30
#3 Sasazu Koji 29
#4 Abe Rikiya 28
#5 Ueda Hachiro 25
#6 Shirakata Tadashi 23
#7 Hiwatari Kenichi 22
#8 Kusano Teruhiko 21
#9 Nakabayashi Yasuyuki 20
#10 Matsumoto Mitsufumi 19

Latest patents

Publication Filing date Title
WO2020090829A1 Method for producing reclaimed land
JP2019219874A Autonomous moving and imaging control system and autonomous moving body
JP2019126787A Underground storage method for carbon dioxide and underground storage device therefor
JP2019122334A Selenate compound reduction method, selenate compound removal method, metal selenium production method, selenate compound reduction preparation, nitrate compound reduction method, nitrate compound removal method, nitrogen gas production method, nitrate compound reduction preparation, wastewater treatment apparatus and wastewater treatment method
JP2019085739A High pressure fluid storage facility, high pressure fluid storage method, electric power storage system and hydroelectric power plant
JP2019065762A Hybrid servo system
JP2019039653A Observation device for inside of observation object, and observation method for inside of observation object
JP2018134584A Transfer type slurry manufacturing apparatus, land fille facility of water level land fille site and land fille method of water level land fille site
JP2018135915A Hybrid servo system and water turbine operation mechanism with the same
JP2018090456A Potassium silicate fertilizer and method for producing potassium silicate fertilizer
JP2018028283A Francis turbine
JP2017190268A Manufacturing device of potassium silicate fertilizer using efb as raw material
JP2017186839A Inter-main column material distance adjustment jig of iron tower
JP2017129061A Ocean wind power generation installation and installation method of the same
JP2016148324A Wind power generation facility on sea and construction method of the same
JP2017091815A Insulator type optical current transformer
JP2017072062A Thermal power generation plant operation method
JP2017054002A Simulator for thermal power generation plant operation training and method for thermal power generation plant operation training
JP2017052590A Solid fuel storage facility
JP2017026448A Method and device for estimating temperature in furnace