Patents by Inventor KONDO MASAHIKO

KONDO MASAHIKO 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: 9739959
    Abstract: An optical transmission apparatus includes a substrate and a heatsink. The substrate is a substrate on which multiple light sources and a heat generating part are mounted. The heatsink includes a base portion, a fin portion, and multiple light guiding paths. The base portion is arranged on a surface of the heat generating part on an opposite side to the substrate. The fin portion rises up from a surface of the base portion on an opposite side to the heat generating part. The multiple light guiding paths are formed inside the base portion, and guide lights emitted by the multiple light sources to multiple output destinations corresponding to the multiple light sources.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: August 22, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Kondo Masahiko, Koji Kano, Yoshiaki Tobimatsu, Takahisa Yoshizumi, Kazuya Satoh
  • Publication number: 20160202434
    Abstract: An optical transmission apparatus includes a substrate and a heatsink. The substrate is a substrate on which multiple light sources and a heat generating part are mounted. The heatsink includes a base portion, a fin portion, and multiple light guiding paths. The base portion is arranged on a surface of the heat generating part on an opposite side to the substrate. The fin portion rises up from a surface of the base portion on an opposite side to the heat generating part. The multiple light guiding paths are formed inside the base portion, and guide lights emitted by the multiple light sources to multiple output destinations corresponding to the multiple light sources.
    Type: Application
    Filed: December 18, 2015
    Publication date: July 14, 2016
    Applicant: FUJITSU LIMITED
    Inventors: KONDO MASAHIKO, Koji Kano, Yoshiaki Tobimatsu, Takahisa Yoshizumi, Kazuya Satoh