Patents by Inventor Tamaki Ikeda

Tamaki Ikeda 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).

  • Pneumatically inflatable flexible envelope type dam
    Patent number: 4314774
    Abstract: An inflatable flexible envelope type dam including members having large specific gravity attached to said envelope. The members allow said envelope to fall down in its deflating state by overcoming buoyancies given by residual fluid in said envelope.
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: February 9, 1982
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yoshiomi Tsuji, Akio Matsuda, Tamaki Ikeda, Kenji Mori