Patents by Inventor Tetsu Yamaguchi

Tetsu Yamaguchi 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).

  • Patent number: 9023743
    Abstract: An inorganic fiber structure comprising inorganic nanofibers having an average fiber diameter of 3 ?m or less, in which an entirety including the inside thereof is adhered with an inorganic adhesive, and the porosity thereof is 90% or more, is disclosed.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: May 5, 2015
    Assignees: Japan Vilene Company, Ltd., Fukuoka Prefectural Government, Kyushu University, National University Corporation
    Inventors: Rie Watanabe, Takashi Tarao, Masaaki Kawabe, Tetsu Yamaguchi, Shinji Sakai, Koei Kawakami
  • Publication number: 20110274927
    Abstract: An inorganic fiber structure comprising inorganic nanofibers having an average fiber diameter of 3 ?m or less, in which an entirety including the inside thereof is adhered with an inorganic adhesive, and the porosity thereof is 90% or more, is disclosed.
    Type: Application
    Filed: January 14, 2010
    Publication date: November 10, 2011
    Inventors: Rie Watanabe, Takashi Tarao, Masaaki Kawabe, Tetsu Yamaguchi, Koei Kawakami
  • Patent number: 7155272
    Abstract: An ultrasound catheter includes a transducer unit used for observation of the inside of an organism, observation lumens in which the transducer unit is disposed and which extend in the direction of insertion into the organism, a first guide wire lumen provided substantially in parallel to the observation lumens and on the distal end side in the insertion direction in relation to the transducer unit and through which a guide wire preliminarily brought to the inside of the organism is passed, and a second guide wire lumen provided on an extension line of the first guide wire lumen and on the proximal end side in the insertion direction in relation to the transducer unit and through which the guide wire is passed.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: December 26, 2006
    Assignees: Terumo Kabushiki Kaisha, Tetsu Yamaguchi
    Inventors: Tetsu Yamaguchi, Hiroyuki Yagami, Yasukazu Harada
  • Publication number: 20050101870
    Abstract: An ultrasound catheter includes a transducer unit used for observation of the inside of an organism, imaging core lumens in which the transducer unit is disposed and which extend in the direction of insertion into the organism, a first guide wire lumen provided substantially in parallel to the imaging core lumens and on the distal end side in the insertion direction in relation to the transducer unit and through which a guide wire preliminarily brought to the inside of the organism is passed, and a second guide wire lumen provided on an extension line of the first guide wire lumen and on the proximal end side in the insertion direction in relation to the transducer unit and through which the guide wire is passed.
    Type: Application
    Filed: September 5, 2003
    Publication date: May 12, 2005
    Inventors: Tetsu Yamaguchi, Hiroyuki Yagami, Yasukazu Harada