Patents by Inventor Hidetoshi Itoh

Hidetoshi Itoh 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 pickup apparatus having a heatsink for dissipating heat generated by a laser diode
    Patent number: 8387080
    Abstract: An optical pickup apparatus comprising: a housing configured to include an optical component including a laser diode emitting a laser beam, the housing being made of metal; and a heatsink configured to dissipate heat generated from the laser diode, the heatsink being made of metal different from the metal of the housing; the heatsink being fixed to the housing with one screw and adhesive.
    Type: Grant
    Filed: March 4, 2008
    Date of Patent: February 26, 2013
    Assignees: Sanyo Electric Co., Ltd., Sanyo Optec Design Co., Ltd.
    Inventors: Hidetoshi Itoh, Hidetoshi Akimoto, Masaaki Nio, Kenji Shimozawa
  • OPTICAL PICKUP APPARATUS
    Publication number: 20080250439
    Abstract: An optical pickup apparatus comprising: a housing configured to include an optical component including a laser diode emitting a laser beam, the housing being made of metal; and a heatsink configured to dissipate heat generated from the laser diode, the heatsink being made of metal different from the metal of the housing; the heatsink being fixed to the housing with one screw and adhesive.
    Type: Application
    Filed: March 4, 2008
    Publication date: October 9, 2008
    Applicants: SANYO ELECTRIC CO., LTD., SANYO OPTEC DESIGN CO., LTD.
    Inventors: Hidetoshi Itoh, Hidetoshi Akimoto, Masaaki Nio, Kenji Shimozawa
  • Tabulation system
    Patent number: 4495600
    Abstract: A tabulation system for delivery to a medium of data information suitably arranged for tabulation of character series and ruled lines, and a control for controlling the data information arrangement applied to the medium. The control operates to allow the medium to sequentially deliver out control information for defining desired vertical ruled lines (columns), information regarding a horizontal ruled line (row) defining the upper side of a field between adjacent vertical ruled lines, information regarding character series to be written in the field and control commands for the writing, and information regarding a horizontal ruled line defining the lower side of the field.
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: January 22, 1985
    Assignee: Nippon Electric Co., Ltd.
    Inventors: Yoshiyasu Kikuchi, Masamichi Shutoh, Hitoshi Miyai, Hidetoshi Itoh