Patents by Inventor Singo Tanuma

Singo Tanuma 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).

  • Structure of vibration-proof rubber bushing
    Patent number: 5080332
    Abstract: A structure of a vibration-proof rubber bushing with a high loss factor and high durability is disclosed which comprises a) a metallic outer envelope; b) a viscous fluid preferably of a liquid such as silicone oil filled in the outer envelope; c) a first elastic member; and d) a metallic inner envelope fitted into an inner portion of the outer envelope via the first elastic member.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: January 14, 1992
    Assignee: Kinugawa Rubber Industrial Co., Ltd.
    Inventors: Norio Yoda, Yoshinari Fujiwara, Singo Tanuma