Patents by Inventor Sumitaka Fukushima

Sumitaka Fukushima 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).

  • Patent number: 9018658
    Abstract: In an optical semiconductor package, a method of manufacturing the same, and an optical semiconductor device according to the present invention, a thermosetting resin such as an unsaturated polyester resin is used for a reflector 5 or resin 6 exposed around an optical semiconductor element, thereby suppressing deterioration of resin and a reduction in reflectivity.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: April 28, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Sumitaka Fukushima, Hiroyuki Sakamoto, Hayato Takagi
  • Publication number: 20130134468
    Abstract: In an optical semiconductor package, a method of manufacturing the same, and an optical semiconductor device according to the present invention, a thermosetting resin such as an unsaturated polyester resin is used for a reflector 5 or resin 5 exposed around an optical semiconductor element, thereby suppressing deterioration of resin and a reduction in reflectivity.
    Type: Application
    Filed: May 30, 2012
    Publication date: May 30, 2013
    Applicant: PANASONIC CORPORATION
    Inventors: Sumitaka Fukushima, Hiroyuki Sakamoto, Hayato Takagi