Patents by Inventor Toshiyuki Matunaga

Toshiyuki Matunaga 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).

  • Information recording medium and method for producing same, and sputtering target
    Patent number: 8268433
    Abstract: An information recording medium (1) of the present invention is an information recording medium allowing information to be recorded thereon by irradiation with a laser beam or by application of electrical energy. The information recording medium (1) includes a recording layer (15) capable of undergoing a phase change by the irradiation with the laser beam or by the application of the electrical energy. The recording layer (15) contains Sb, Te, Ge, and C, and a content of Te in the recording layer (15) is at least 8 atom % but not more than 25 atom %.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: September 18, 2012
    Assignee: Panasonic Corporation
    Inventors: Akio Tsuchino, Hideo Kusada, Rie Kojima, Noboru Yamada, Toshiyuki Matunaga
  • INFORMATION RECORDING MEDIUM AND METHOD FOR PRODUCING SAME, AND SPUTTERING TARGET
    Publication number: 20100279053
    Abstract: An information recording medium (1) of the present invention is an information recording medium allowing information to be recorded thereon by irradiation with a laser beam or by application of electrical energy. The information recording medium (1) includes a recording layer (15) capable of undergoing a phase change by the irradiation with the laser beam or by the application of the electrical energy. The recording layer (15) contains Sb, Te, Ge, and C, and a content of Te in the recording layer (15) is at least 8 atom % but not more than 25 atom %.
    Type: Application
    Filed: October 23, 2009
    Publication date: November 4, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Akio Tsuchino, Hideo Kusada, Rie Kojima, Noboru Yamada, Toshiyuki Matunaga