Patents by Inventor Hideshi Ohue

Hideshi Ohue 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).

  • Publication number: 20100039907
    Abstract: An optical disk device includes a first control circuit controlling a light quantity of a semiconductor laser according to a first light quantity set value corresponding to a first light quantity resolution; a second control circuit controlling the light quantity of the semiconductor laser according to a second light quantity set value corresponding to a second light quantity resolution that is smaller than the first light quantity resolution; and a drive circuit driving the semiconductor laser following the first and second control circuits.
    Type: Application
    Filed: September 24, 2008
    Publication date: February 18, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hirokazu Shou, Hideshi Ohue