Patents by Inventor Shintaro Amae

Shintaro Amae 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).

  • Artificial sphincter
    Patent number: 6997952
    Abstract: With an object of providing an artificial sphincter for which repeated shape changes are possible, and for which the quantity of shape change is sufficient so as to be used as a substitute for a large natural sphincter, an artificial sphincter 11 that opens and closes, as required, either the anus of a living body or part of the intestine 19 led outside the body is provided, wherein this artificial sphincter 11 comprises a pair of shape memory alloy elements 13 that change reversibly between two opposite shapes upon changes in temperature and hinges 15 that link the shape memory alloy elements 1 together in a cylindrical shape.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: February 14, 2006
    Assignees: NEC Tokin Corporation
    Inventors: Akihisa Furukawa, Toshiyuki Takagi, Hidetoshi Matsuki, Yun Luo, Junko Hayashi, Tomoyuki Yambe, Takamichi Kamiyama, Shintaro Amae, Motoshi Wada
  • Artificial sphincter
    Patent number: 6830588
    Abstract: With an object of providing an artificial sphincter for which repeated shape changes are possible, and for which the quantity of shape change is sufficient so as to be used as a substitute for a large natural sphincter, an artificial sphincter 11 that opens and closes, as required, either the anus of a living body or part of the intestine 19 led outside the body is provided, wherein this artificial sphincter 11 comprises a pair of shape memory alloy elements 13 that change reversibly between two opposite shapes upon changes in temperature and hinges 15 that link the shape memory alloy elements 1 together in a cylindrical shape.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: December 14, 2004
    Assignees: NEC Tokin Corporation
    Inventors: Akihisa Furukawa, Toshiyuki Tagaki, Hidetoshi Matsuki, Yun Luo, Junko Hayashi, Tomoyuki Yambe, Takamichi Kamiyama, Shintaro Amae, Motoshi Wada
  • Artificial sphincter
    Publication number: 20040243236
    Abstract: With an object of providing an artificial sphincter for which repeated shape changes are possible, and for which the quantity of shape change is sufficient so as to be used as a substitute for a large natural sphincter, an artificial sphincter 11 that opens and closes, as required, either the anus of a living body or part of the intestine 19 led outside the body is provided, wherein this artificial sphincter 11 comprises a pair of shape memory alloy elements 13 that change reversibly between two opposite shapes upon changes in temperature and hinges 15 that link the shape memory alloy elements 1 together in a cylindrical shape.
    Type: Application
    Filed: July 12, 2004
    Publication date: December 2, 2004
    Inventors: Akihisa Furukawa, Toshiyuki Takagi, Hidetoshi Matsuki, Yun Luo, Junko Hayashi, Tomoyuki Yambe, Takamichi Kamiyama, Shintaro Amae, Motoshi Wada