Patents by Inventor Shinichi Tokumaru

Shinichi Tokumaru 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 disc device having fixing parts for directly fixing a frame of the optical disk device to an electronic device
    Patent number: 7334238
    Abstract: The present invention includes a frame, an optical pick-up module fixed to the frame and a circuit board forming a control circuit fixed to the frame. The frame has fixing parts to other members.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: February 19, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yuji Tanaka, Kazuo Matsumoto, Takeshi Watanabe, Masanobu Aramaki, Hidetaka Taguchi, Shingo Sagata, Yuichi Uchikawa, Takashi Morishita, Fumihide Maeda, Masanari Esaki, Hirohisa Koizumi, Shinichi Tokumaru, Hiroki Kokubu, Hisashi Arai, Takeshi Sugimoto
  • OPTICAL DISK DEVICE
    Publication number: 20080037408
    Abstract: The present invention includes a frame, an optical pick-up module fixed to the frame and a circuit board forming a control circuit fixed to the frame. The frame has fixing parts to other members.
    Type: Application
    Filed: August 24, 2007
    Publication date: February 14, 2008
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Yuji TANAKA, Kazuo Matsumoto, Takeshi Watanabe, Masanobu Aramaki, Hidetaka Taguchi, Shingo Sagata, Yuichi Uchikawa, Takashi Morishita, Fumihide Maeda, Masanari Esaki, Hirohisa Koizumi, Shinichi Tokumaru, Hiroki Kokubu, Hisashi Arai, Takeshi Sugimoto
  • Optical disk device
    Publication number: 20040223447
    Abstract: The present invention includes a frame, an optical pick-up module fixed to the frame and a circuit board forming a control circuit fixed to the frame. The frame has fixing parts to other members.
    Type: Application
    Filed: April 20, 2004
    Publication date: November 11, 2004
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Yuji Tanaka, Kazuo Matsumoto, Takeshi Watanabe, Masanobu Aramaki, Hidetaka Taguchi, Shingo Sagata, Yuichi Uchikawa, Takashi Morishita, Fumihide Maeda, Masanari Esaki, Hirohisa Koizumi, Shinichi Tokumaru, Hiroki Kokubu, Hisashi Arai, Takeshi Sugimoto