Patents by Inventor Teruo Gotoh

Teruo Gotoh 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).

  • Method and apparatus for identifying plastic
    Patent number: 6852977
    Abstract: A method for distinguishing a kind of plastic materials, by preparing a test piece of a plastic material; measuring an infrared spectrum of the test piece by attenuated total reflection spectroscopy; and comparing the obtained infrared spectrum with an infrared spectrum of a known plastic. The test piece has a section. The infrared spectrum of the test piece is measured by bringing the crystal for attenuated total reflection spectroscopy into contact with the section of the test piece.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: February 8, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takao Hisazumi, Teruo Gotoh, Shouichi Irie
  • Method and apparatus for identifying plastic
    Publication number: 20030155511
    Abstract: A method for distinguishing a kind of plastic materials, by preparing a test piece of a plastic material; measuring an infrared spectrum of the test piece by attenuated total reflection spectroscopy; and comparing the obtained infrared spectrum with an infrared spectrum of a known plastic. The test piece has a section. The infrared spectrum of the test piece is measured by bringing the crystal for attenuated total reflection spectroscopy into contact with the section of the test piece.
    Type: Application
    Filed: November 20, 2002
    Publication date: August 21, 2003
    Inventors: Takao Hisazumi, Teruo Gotoh, Shouichi Irie