Yoshihisa Umezawa

Person

  • Konosu-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Discharge-lamp lighting device

    • Patent number 8,866,405
    • Issue date Oct 21, 2014
    • Eye Lighting Systems Corporation
    • Yoshihisa Umezawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lighting device

    • Patent number 8,836,227
    • Issue date Sep 16, 2014
    • Eye Lighting Systems Corporation
    • Yoshihisa Umezawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Remote lighting control system

    • Patent number 8,593,264
    • Issue date Nov 26, 2013
    • Eye Lighting Systems Corporation
    • Yoshihisa Umezawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Discharge-Lamp Lighting Device

    • Publication number 20130049625
    • Publication date Feb 28, 2013
    • EYE LIGHTING SYSTEMS CORPORATION
    • Yoshihisa Umezawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Lighting Device

    • Publication number 20130049624
    • Publication date Feb 28, 2013
    • EYE LIGHTING SYSTEMS CORPORATION
    • Yoshihisa Umezawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Remote Lighting Control System

    • Publication number 20100259193
    • Publication date Oct 14, 2010
    • EYE LIGHTING SYSTEMS CORPORATION
    • Yoshihisa Umezawa
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR