Patents by Inventor Motoi Minagawa

Motoi Minagawa 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).

  • Foam washing method
    Patent number: 4499620
    Abstract: A foam washing method which comprises forming a large amount of foams by blowing a gas through a concentrated aqueous solution of a detergent, and thereafter bringing said foams into contact with soiled textile goods to separate and remove dirts adhered to fibers of said textile goods.
    Type: Grant
    Filed: December 28, 1982
    Date of Patent: February 19, 1985
    Assignee: Takasago Perfumery Co., Ltd.
    Inventor: Motoi Minagawa