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KOIZUMI SANGYO CORP

Overview
  • Total Patents
    88
About

KOIZUMI SANGYO CORP has a total of 88 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy, environmental technology and semiconductors are SUZHOU HAOLUX OPTOELECTRONICS SCIENCE AND TECHNOLOGY CO LTD, INTEKKUSU KK and ZHEJIANG SHENDU OPTOELECTRONIC TECHNOLOGY CO LTD.

Patent filings in countries

World map showing KOIZUMI SANGYO CORPs patent filings in countries
# Country Total Patents
#1 Japan 88

Patent filings per year

Chart showing KOIZUMI SANGYO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshikubo Mitsuhiro 12
#2 Hamada Tsutomu 9
#3 Amano Keiji 7
#4 Fukuyama Keizaburo 7
#5 Hamada Yoshio 7
#6 Takemoto Yoshio 5
#7 Hashiya Shigeru 4
#8 Nakamura Shinsuke 4
#9 Kimura Tetsuya 4
#10 Yamamoto Yutaka 3

Latest patents

Publication Filing date Title
JP2007242248A Lighting apparatus installed with lamp at transparent member
JP2007128789A Mount structure of embedded luminaire
JP2007042298A Illumination device provided with lamp attitude switching means
JP2007042296A Plug for wiring duct
JP2007042303A Spotlight having cord storage section in lamp body
JP2007005019A Illumination system
JP2006310193A Mounting structure of recessed luminaire
JP2006302607A Multilayer light guide and lighting device using multilayer light guide
JP2006286435A Multiple point light source unit and lighting system
JP2006286276A Crime prevention light
JP2006286274A Up-and-down hanging type lighting fixture
JP2006286406A Luminaire
JP2006286275A Control apparatus for lighting fixture
JP2006261049A Multi-point light source unit
JP2006261048A Multi-point light source unit
JP2006261039A Lighting device and multi-point light source unit
JP2006251154A Light reflection device, and illumination apparatus using the light reflection device
JP2006230896A Illumination structure and illumination unit for showcase
JP2006228557A El light source device
JP2006228455A Electroluminescent light source body and electroluminescent light source device