Patents by Inventor Osamu Hikone

Osamu Hikone 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).

  • Step-down chopper circuit including a switching device circuit and a backflow prevention diode circuit
    Patent number: 10256721
    Abstract: In a step-down chopper circuit, a distance between a plurality of first mounting portions of a first semiconductor package that houses a switching device circuit and a distance between a plurality of second mounting portions of a second semiconductor package that houses a backflow prevention diode circuit are different from each other.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: April 9, 2019
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Osamu Hikone, Motoyoshi Kubouchi
  • Illumination device
    Patent number: 8573803
    Abstract: An illumination device includes a housing having a light-emitting surface through which illumination light is irradiated and a plurality of LED units fixed to the housing in specified positions to emit the illumination light. The illumination device further includes a plurality of reflectors each having a reflection surface for reflecting the illumination light emitted from each of the LED units in a specified direction and a reflector attachment plate removably fixed to the housing. Each of the reflectors is adjustably attached to the reflector attachment plate in a specified orientation.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: November 5, 2013
    Assignee: Panasonic Corporation
    Inventors: Kiminori Satou, Takayuki Shimizu, Osamu Hikone, Mayumi Saitou
  • ILLUMINATION DEVICE
    Publication number: 20120026736
    Abstract: An illumination device includes a housing having a light-emitting surface through which illumination light is irradiated and a plurality of LED units fixed to the housing in specified positions to emit the illumination light. The illumination device further includes a plurality of reflectors each having a reflection surface for reflecting the illumination light emitted from each of the LED units in a specified direction and a reflector attachment plate removably fixed to the housing. Each of the reflectors is adjustably attached to the reflector attachment plate in a specified orientation.
    Type: Application
    Filed: July 26, 2011
    Publication date: February 2, 2012
    Applicant: Panasonic Electric Works Co., Ltd.
    Inventors: Kiminori SATOU, Takayuki Shimizu, Osamu Hikone, Mayumi Saitou