Patents by Inventor Setsuo Simizu

Setsuo Simizu 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 checking the degree of plasma treatment
    Patent number: 4740383
    Abstract: A method for checking the degree of plasma treatment of an article. The method comprises depositing a substance able to change color as a result of plasma treatment on a carrier, the carrier having pores having an average pore size of 0.2-3 .mu.m, placing the carrier having said substance deposited thereon near the surface of the article, subjecting the substance carrying carrier and the article to plasma treatment, and evaluating the color change that has occurred in the substance.
    Type: Grant
    Filed: July 9, 1987
    Date of Patent: April 26, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Fumio Mita, Kuniharu Kitagawa, Takashi Arakawa, Setsuo Simizu