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KUROI ELECTRIC CO LTD

Overview
  • Total Patents
    180
  • GoodIP Patent Rank
    85,652
  • Filing trend
    ⇩ 100.0%
About

KUROI ELECTRIC CO LTD has a total of 180 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, EPO (European Patent Office) and United Kingdom. Its main competitors in its focus markets environmental technology, electrical machinery and energy and audio-visual technology are KCC SHOKAI LTD, SOC ET DEV PROD ELECTRON and PARAENT CO LTD.

Patent filings per year

Chart showing KUROI ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miyajima Masayoshi 24
#2 Kuroi Hisashi 16
#3 Hatada Masamichi 15
#4 Nakamura Shiyuuji 12
#5 Takenaka Toshikazu 12
#6 Tanii Takehiko 10
#7 Nishimura Yukio 9
#8 Utsunomiya Shiyunji 8
#9 Ogiwara Takashi 8
#10 Kawamoto Kazuhide 7

Latest patents

Publication Filing date Title
JP2020119683A Luminaire and light diffusion member
JP2018181709A Illuminating device
JP2018022625A Luminaire
JP2017228473A Flickering type guide light
JP2017058899A Evacuation guidance system
JP2017037784A Emergency illuminating device
US2017023207A1 Display device
JP2016176274A Storage device
JP2016152189A Illumination device
JP2016140136A Secondary battery charge control circuit
JP2016129112A Plate-shaped component fixing structure and electric apparatus
JP2016122558A Light shielding plate fixing structure and lighting device
JP2016115765A Housing structure of electric component, electric device, and lighting device
JP2016100049A Metal fitting for luminaire and luminaire
JP2016081588A Lighting device
JP2015210317A Display device
JP2015146372A Waterproof packing for electric appliance and straight tube led lamp
JP2015133171A Straight-tube type led lamp and luminaire
JP2015106433A Square lighting device
JP2015056138A Emergency lighting apparatus control device