Patents by Inventor Yuki Nishikawa

Yuki Nishikawa 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).

  • Light-emitting diode
    Patent number: D762182
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: July 26, 2016
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Takashi Akiyama, Shigehisa Watanabe, Yuki Ochiai, Satoshi Goto, Tatsuro Yamada, Yuki Nishikawa
  • Light-emitting diode
    Patent number: D786808
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: May 16, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Yasuaki Kayanuma, Tatsuro Yamada, Yuki Nishikawa, Yuki Ochiai
  • Light-emitting diode
    Patent number: D789308
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: June 13, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Yuki Ochiai, Yuki Nishikawa