Patents by Inventor Masuhi Hayashi

Masuhi Hayashi 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).

  • Indicator for plasma sterilization and packaging material for sterilization
    Publication number: 20060283746
    Abstract: The present invention relates to a sterilization indicator using a chemical indicator that is useful for hydrogen peroxide plasma sterilization treatment and a sterilization packaging material for storing an article to be sterilized by plasma sterilization treatment that has an indicator area formed from the sterilization indicator provided thereon. The plasma-sterilization indicator according to the invention, which includes one or more compounds (A) selected from the group consisting of adsorption indicators and metal chelate-titration indicators, and an organic metal compound (B) and is irreversible in discoloration and higher in discoloration speed, allows definite judgment of whether or not an article in a sterilization packaging material was previously subjected to plasma sterilization treatment and thus is useful as a plasma-sterilization indicator.
    Type: Application
    Filed: March 31, 2003
    Publication date: December 21, 2006
    Applicant: FUJIMORI KOGYO CO., LTD.
    Inventors: Teiko Sutoh, Hiroko Sugiyama, Masuhi Hayashi