Patents by Inventor Yasutaro Totsuka

Yasutaro Totsuka 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).

  • Decay-resisting construction of lower structure for wooden buildings
    Patent number: 4040215
    Abstract: A lower structure for wooden building, wherein a groove with open top face is axially formed on the top face of the continuous footing of the building so as to accommodate a wood preserving and insecticidal liquid and a portion of suction materials for said wood preserving and insecticidal liquid affixed to at least a part of the lower structure of the wooden building erected on said footing is disposed in said groove.
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: August 9, 1977
    Assignee: Totsuka Komuten Co., Ltd.
    Inventor: Yasutaro Totsuka