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FUJII MASAMI

Overview
  • Total Patents
    149
About

FUJII MASAMI has a total of 149 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology, electrical machinery and energy and optics are NANBA HIROMI, CHENGDU JUNFENG TECHNOLOGY DEV and KET KAGAKU KENKYUSHO KK.

Patent filings in countries

World map showing FUJII MASAMIs patent filings in countries
# Country Total Patents
#1 Japan 147
#2 United States 2

Patent filings per year

Chart showing FUJII MASAMIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujii Masami 148
#2 Saito Takashi 1
#3 Fujita Masami 1
#4 Yoshimine Yasuo 1
#5 Fujioka Hiroshi 1
#6 Kajiwara Koji 1
#7 Yoshikawa Koichi 1
#8 Suzuki Michiyasu 1
#9 Nomura Sadahiro 1
#10 Suzuki Hiroshi 1

Latest patents

Publication Filing date Title
JP2005129332A Multi-step grounding electrode and its embedding method
JP2005037340A Measurement of voltage spreading coefficient at which ground voltage spreads to other ground and its calculation method
JP2005024474A Measurement for influencing rate in spreading of grounding voltage, and calculation method and graphic display method therefor
JP2004247240A Graph for indicating relationship between increasing rate in equivalent semispherical body radius of ground electrode and decreasing rate in ground resistance
JP2004247050A Insulated wire of ground electrode and insulation reinforcing method thereof
JP2004206592A Set coefficient display chart of parallel grounded electrode
JP2004158282A Grounding electrode material insertion auxiliary device
JP2003279658A Graph for judging physical characteristic of earth
JP2003262679A Graph for discriminating physical characteristic in the ground
JP2003148324A Wind power generation device
JP2002271961A Graph indicating conditions for installation of deeply embedded independent insulated ground electrode
JP2003079044A Lightning damage prevention method and device for installation to be grounded
JP2002313511A Ground electrode
JP2002270257A Grounding resistance measuring method, and grounding electrode
JP2002134231A Intelligent receptacle
JP2002051434A Drain through fittings and their fitting method
JP2001303280A Corrosion preventive method for stay
JP2001251709A Grounding construction of power plant and substation, electric station, or the like
JP2001148274A Ground electrode installing method and ground electrode
JP2001057251A Deep-embedment insulation independence ground electrode, insulation depth setting method therefor and connecting method with lightning rod lead wire