Patents by Inventor Kouiti Yoshimi

Kouiti Yoshimi 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).

  • Crown caps for drug containers
    Patent number: 5957314
    Abstract: A rubber gasket is closely sealed by integrally connecting a removable close-fastening ring to a top board of a crown-like member to be fitted to a mouth portion in which a liquid drug is kept and pulling down the close-fastening ring to cover the outer periphery of the crown-like member.
    Type: Grant
    Filed: December 8, 1997
    Date of Patent: September 28, 1999
    Assignee: Taisei Kako Co., Ltd.
    Inventors: Hirotaka Nishida, Kouiti Yoshimi, Keiji Hamamoto