Patents by Inventor Isamu Kanai

Isamu Kanai 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).

  • Flexible pipe connector
    Patent number: 4294475
    Abstract: A flexible pipe connector which makes use of a pair of intermediate sleeves each having one end portion overlapped with and connected through a rubber-like elastic body to a connection pipe, each of said intermediate sleeves being coaxially arranged with the connection pipe and adapted to move in a fluid-tight manner in the axial direction thereof.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: October 13, 1981
    Assignee: Bridgestone Tire Company Limited
    Inventors: Isamu Kanai, Shigeki Okubo, Kazuo Tsuchiya, Toshio Takasaki