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MARUMO DENKI KK

Overview
  • Total Patents
    74
  • GoodIP Patent Rank
    191,341
About

MARUMO DENKI KK has a total of 74 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan and China. Its main competitors in its focus markets electrical machinery and energy, optics and environmental technology are ERCO GMBH, AYRTON and ROBE LIGHTING SRO.

Patent filings in countries

World map showing MARUMO DENKI KKs patent filings in countries
# Country Total Patents
#1 Japan 72
#2 China 2

Patent filings per year

Chart showing MARUMO DENKI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kita Hiroshi 14
#2 Asaoku Masaki 11
#3 Tanaka Yasumichi 9
#4 Asakawa Hisashi 7
#5 Ishizone Tsutomu 6
#6 Tamura Takemi 6
#7 Hattori Koji 5
#8 Shibuya Hiroyuki 5
#9 Okita Mizuho 4
#10 Asakura Keijiro 4

Latest patents

Publication Filing date Title
JP2020155265A Wall surface irradiating lamp and lighting fixture using the same
JP2020009539A Light source substrate for illumination device
JP2017135064A Illumination device
JP2016038953A Circuit board of light source for illumination
JP2015225821A Illumination device
JP2013186943A Light-emitting element, and lighting device equipped with the same
JP2010262799A Socket
JP2010161006A Lighting system
JP2009272250A Socket for electric bulb, and lighting system
JP2008311175A Incandescent lamp for spotlight and single-lens spotlight equipped with the same
JP2008123746A Halogen lamp for spotlight, and spotlight
JP2008123747A Socket for halogen lamp and lighting fixture using it
JP2008034175A Function generator and light control device having function generator, and its light control method
JP2008033507A Electric power control apparatus, and electric power control method
JP2007179909A Incandescent lamp dimmer and electric power control method for incandescent lamp dimmer
JP2007115430A Synchronism detection circuit for light control device, and light control device
JP2007052957A Led spotlight
JP2006000186A Electric power supply device for performance space and electric power supply method
JP2005268108A Fader for light control as well as light control device
JP2005166407A Spotlight and scatter preventing cover for bulb