Patents by Inventor Takanobu Matumoto

Takanobu Matumoto 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 information medium and method for fabricating the same
    Patent number: 5705247
    Abstract: An optical information medium providing a protective layer above an optically transparent substrate to protect a recording part, and can record information which is optically readable by means of laser beam. An aqueous printing ink-fixable, hydrophilic resin film is formed on the protective layer. Given letters and patterns can be printed easily and satisfactorily. Such letters and patterns are printable by means of, for example, an ink jet printer.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: January 6, 1998
    Assignee: Taiyu Yuden Co., Ltd.
    Inventors: Yuji Arai, Takanobu Matumoto, Yuaki Shin, Takashi Ishiguro
  • Method for fabricating an optical information medium
    Patent number: 5616450
    Abstract: An optical information medium providing a protective layer above an optically transparent substrate to protect a recording part, and can record information which is optically readable by means of laser beam. An aqueous printing ink-fixable, hydrophilic resin film is formed on the protective layer. Given letters and patterns can be printed easily and satisfactorily. Such letters and patterns are printable by means of, for example, an ink jet printer.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: April 1, 1997
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Yuji Arai, Takanobu Matumoto, Yuaki Shin, Takashi Ishiguro
  • Optical information medium
    Patent number: 5470691
    Abstract: An optical information medium providing a protective layer above an optically transparent substrate to protect a recording part, and can record information which is optically readable by means of laser beam. An aqueous printing ink-fixable, hydrophilic resin film is formed on the protective layer. Given letters and patterns can be printed easily and satisfactorily. Such letters and patterns are printable by means of, for example, an ink jet printer.
    Type: Grant
    Filed: April 5, 1994
    Date of Patent: November 28, 1995
    Assignee: Taiyo Yuden, Co., Ltd.
    Inventors: Yuji Arai, Takanobu Matumoto, Yuaki Shin, Takashi Ishiguro