Patents Assigned to HARD GIKEN KOGYO CO., LTD.
  • Snow-melting LED traffic signal
    Patent number: 9109785
    Abstract: Provided is an LED traffic signal which can inhibit snow accretion, ice accretion, frost accretion, freeze of snow, freeze of ice, freeze of frost, and the like promptly without fail and which can obtain satisfactory visibility. The snow-melting LED signal includes: an LED signal light including in order: a lens cover; a heat generating sheet; an LED mask plate; an LED lens module; and a printed board protection cover; and a signal body for housing the LED signal light.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: August 18, 2015
    Assignees: HARD GIKEN KOGYO CO., LTD.
    Inventors: Toshihiro Suzuki, Michiaki Imao
  • SNOW-MELTING LED TRAFFIC SIGNAL
    Publication number: 20140152471
    Abstract: Provided is an LED traffic signal which can inhibit snow accretion, ice accretion, frost accretion, freeze of snow, freeze of ice, freeze of frost, and the like promptly without fail and which can obtain satisfactory visibility. The snow-melting LED signal includes: an LED signal light including in order: a lens cover; a heat generating sheet; an LED mask plate; an LED lens module; and a printed board protection cover; and a signal body for housing the LED signal light.
    Type: Application
    Filed: November 20, 2013
    Publication date: June 5, 2014
    Applicants: HARD GIKEN KOGYO CO., LTD.
    Inventors: Toshihiro SUZUKI, Michiaki IMAO