Patents Assigned to Tokyo Denki University Oiles Corporation
  • Seismic isolation device and seismic isolation structure
    Patent number: 8833745
    Abstract: The present invention is intended to provide a seismic isolation device which, regardless of a load to be supported, is capable of reducing acceleration through lengthening a natural period of an upper structure, with excellent vibration energy absorbing capacity by obtaining a properly preferable frictional force as well as a returning characteristic, and others.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: September 16, 2014
    Assignee: Tokyo Denki University Oiles Corporation
    Inventors: Satoshi Fujita, Go Tanaka, Mitsuru Miyazaki, Hideo Ozawa, Ikuo Shimoda