Patents by Inventor Nobuhiro Ninomiya

Nobuhiro Ninomiya 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).

  • Optical semiconductor module having a capability of temperature regulation
    Patent number: 6487027
    Abstract: An optical semiconductor device includes a package body, a laser diode accommodated in the package body, a temperature regulation block connected thermally to the laser diode, an optical filter connected thermally to the temperature regulation block, a photodetector receiving the laser beam from the laser diode via the optical filter, a feeder feeding a driving power to the laser diode, and a thermal conducting body provided separately to the feeder, wherein the thermal conducting body transmits the temperature of the package body to the laser diode.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: November 26, 2002
    Assignee: Fujitsu Quantum Devices Limited
    Inventors: Yasuyuki Yamauchi, Toyotoshi Machida, Nobuhiro Ninomiya
  • Optical semiconductor module having a capability of temperature regulation
    Publication number: 20010033592
    Abstract: An optical semiconductor device includes a package body, a laser diode accommodated in the package body, a temperature regulation block connected thermally to the laser diode, an optical filter connected thermally to the temperature regulation block, a photodetector receiving the laser beam from the laser diode via the optical filter, a feeder feeding a driving power to the laser diode, and a thermal conducting body provided separately to the feeder, wherein the thermal conducting body transmits the temperature of the package body to the laser diode.
    Type: Application
    Filed: April 19, 2001
    Publication date: October 25, 2001
    Applicant: FUJITSU QUANTUM DEVICES LIMITED
    Inventors: Yasuyuki Yamauchi, Toyotoshi Machida, Nobuhiro Ninomiya