Patents by Inventor Masaaki YAMANISHI

Masaaki YAMANISHI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Illumination lens
    Patent number: 9383078
    Abstract: Light sources include light-emitting surfaces only on a condenser lens side to emit illumination light. The condenser lens and the refraction optical member are formed integrally.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: July 5, 2016
    Assignee: OSHINO LAMPS LIMITED
    Inventors: Tomoyuki Watanabe, Masaaki Yamanishi, Hong Yong Zhang, Shuichi Kudo
  • ILLUMINATION LENS
    Publication number: 20160091167
    Abstract: Light sources include light-emitting surfaces only on a condenser lens side to emit illumination light. The condenser lens and the refraction optical member are formed integrally.
    Type: Application
    Filed: May 20, 2013
    Publication date: March 31, 2016
    Inventors: Tomoyuki WATANABE, Masaaki YAMANISHI, Hong Yong ZHANG, Shuichi KUDO