Patents by Inventor Maki Takehara

Maki Takehara 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: D615052
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: May 4, 2010
    Assignee: Citizen Electronics Co. Ltd.
    Inventors: Sadato Imai, Maki Takehara
  • Light-emitting diode
    Patent number: D669041
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: October 16, 2012
    Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
    Inventors: Sadato Imai, Yuichi Miura, Maki Takehara
  • Light source
    Patent number: D771282
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: November 8, 2016
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Maki Takehara, Tatsuya Katoh
  • Light-emitting diode
    Patent number: D690443
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: September 24, 2013
    Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
    Inventors: Maki Takehara, Miho Satoh