Patents by Inventor Hiroya Kawase

Hiroya Kawase 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).

  • PHOSPHINE FOR FUMIGATION, METHOD FOR PRODUCING SAME, AND FUMIGATION METHOD
    Publication number: 20220015369
    Abstract: The present invention addresses the problem of providing phosphine for fumigation, by which clogging of a pipe of a fumigation gas feed device due to impurities is effectively suppressed and which has low spontaneous ignitability. The present invention also addresses the problem of providing a phosphine fumigation method in which clogging of a pipe of a fumigation gas feed device and a possibility of spontaneous ignition are reduced and which is safe. The phosphine for fumigation of the present invention has a P4 content of 10 mass ppm or less and a water content of 10 mass ppm or less. The fumigation method of the present invention includes fumigating a material to be fumigated, using phosphine having a P4 content of 10 mass ppm or less and having a water content of 10 mass ppm or less.
    Type: Application
    Filed: December 20, 2019
    Publication date: January 20, 2022
    Applicant: Nippon Chemical Industrial Co., Ltd.
    Inventor: Hiroya Kawase
  • Automobile tire
    Patent number: D504392
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: April 26, 2005
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Hiroya Kawase