Patents by Inventor Masaru Fukuyama

Masaru Fukuyama 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 of improving response characteristics of gas sensor using microwave spectrometer
    Patent number: 4607521
    Abstract: A response characteristics of a microwave spectroscopic measuring system is remarkably improved by supplying a carrier to a continuously flowing sample containing a polar substance to be measured quantitatively. The carrier contains a compound having at least similar chemical form to that of the polar substance.
    Type: Grant
    Filed: November 20, 1984
    Date of Patent: August 26, 1986
    Assignee: Sagami Chemical Research Center
    Inventors: Tomoo Saito, Mitsutoshi Tanimoto, Masayoshi Yasuda, Yasuharu Ijuin, Akio Hikita, Naotake Morikawa, Hiromichi Uehara, Masaru Fukuyama
  • Method of detecting a surface flaw of metallic material
    Patent number: 4109508
    Abstract: A method for detecting a surface defect or flaw of metallic material, comprising the steps of subjecting the surface layer of metallic material to high-frequency induction heated in a linear manner, transferring the heating portion of the surface layer of the metallic material, measuring the surface temperature of the metallic material after its being subjected to heating, and determining the depth of the surface defect or flaw on the basis of the level of the value of temperature rise.
    Type: Grant
    Filed: April 30, 1976
    Date of Patent: August 29, 1978
    Assignee: Nippon Steel Corporation
    Inventor: Masaru Fukuyama