Patents by Inventor Michihide Ozawa

Michihide Ozawa 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).

  • Ti-Ni-Nb alloy device
    Patent number: 9205178
    Abstract: A Ti—Ni—Nb alloy device is provided which is a shape memory device excellent in response characteristics. The Ti—Ni—Nb alloy device is made of a Ti—Ni—Nb alloy which finishes transformation at a temperature lower than 10° C. after start of reverse transformation.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: December 8, 2015
    Assignees: NEC TOKIN CORPORATION, TOHOKU UNIVERSITY
    Inventors: Michihide Ozawa, Kiyoshi Yamauchi, Yuji Sutou, Takamitsu Takagi, Shuzou Yamashita, Kouji Mori
  • Stent with autonomic function
    Patent number: 8652199
    Abstract: To provide a stent which holds various performances such as deliverability, prevention of restenosis, flexible shape conformability, and so on and is therefore adaptable not only to a bile duct but also to a blood vessel system such as a tortuous coronary artery substantially without causing restenosis. A stent with an autonomic function is made of a Ti—Ni based shape memory alloy and has a maximum expanding force at a center portion in its lengthwise direction.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: February 18, 2014
    Assignees: NEC Tokin Corporation, Tohoku University, Japan Stent Technology Co., Ltd.
    Inventors: Michihide Ozawa, Kiyoshi Yamauchi, Yuji Sutou, Takamitsu Takagi, Shuzou Yamashita, Kouji Mori
  • Ti-Ni-Nb alloy device
    Publication number: 20090068054
    Abstract: To provide a Ti—Ni—Nb alloy device which is a shape memory device excellent in response characteristics. The Ti—Ni—Nb alloy device is made of a Ti—Ni—Nb alloy which finishes transformation at a temperature lower than 10° C. after start of reverse transformation.
    Type: Application
    Filed: May 23, 2006
    Publication date: March 12, 2009
    Applicant: NEC TOKIN CORPORATION
    Inventors: Michihide Ozawa, Kiyoshi Yamauchi, Yuji Sutou, Takamitsu Takagi, Shuzou Yamashita, Kouji Mori
  • Stent with autonomic function
    Publication number: 20090062906
    Abstract: To provide a stent which holds various performances such as deliverability, prevention of restenosis, flexible shape conformability, and so on and is therefore adaptable not only to a bile duct but also to a blood vessel system such as a tortuous coronary artery substantially without causing restenosis. A stent with an autonomic function is made of a Ti—Ni based shape memory alloy and has a maximum expanding force at a center portion in its lengthwise direction.
    Type: Application
    Filed: May 23, 2006
    Publication date: March 5, 2009
    Inventors: Michihide Ozawa, Kiyoshi Yamauchi, Yuji Sutou, Takamitsu Takagi, Shuzou Yamashita, Kouji Mori