Patents by Inventor Kazuo Funakubo

Kazuo Funakubo 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).

  • Photo reflector including a light-emitting element and a light-receiving element
    Patent number: 7858919
    Abstract: A photo reflector (30) includes a circuit board (32) provided with electrode patterns, a light-emitting element (42) and a light-receiving element (44) disposed on the circuit board, a light-transmitting resin sealing the light receiving element (44), and a light shielding member (50) provided on the circuit board to cover peripheral side surfaces of the first light-transmitting resin and the second light-transmitting resin except for upper surfaces thereof. A light-intensity adjuster (60) to adjust the photocurrent is provided on the light-transmitting resin.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: December 28, 2010
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Kazuo Funakubo, Akira Watanabe
  • PHOTO REFLECTOR
    Publication number: 20090095881
    Abstract: A photo reflector (30) includes a circuit board (32) provided with electrode patterns, a light-emitting element (42) and a light-receiving element (44) disposed on the circuit board, a light-transmitting resin sealing the light receiving element (44), and a light shielding member (50) provided on the circuit board to cover peripheral side surfaces of the first light-transmitting resin and the second light-transmitting resin except for upper surfaces thereof. A light-intensity adjuster (60) to adjust the photocurrent is provided on the light-transmitting resin.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 16, 2009
    Applicant: CITIZEN ELECTRONICS CO., LTD
    Inventors: Kazuo FUNAKUBO, Akira Watanabe
  • Light-emitting diode for illuminating an object
    Patent number: D591248
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: April 28, 2009
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Sadato Imai, Kazuo Funakubo
  • Light-emitting diode for illuminating an object
    Patent number: D592615
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: May 19, 2009
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Sadato Imai, Kazuo Funakubo
  • Light-emitting diode
    Patent number: D640997
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: July 5, 2011
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Sadato Imai, Kazuo Funakubo
  • Light-emitting diode
    Patent number: D645417
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: September 20, 2011
    Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
    Inventors: Sadato Imai, Kazuo Funakubo