Patents by Inventor Toshimasa Tokuno

Toshimasa Tokuno 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).

  • Publication number: 20200093962
    Abstract: Neo-cartilage constructs suitable for implantation into a joint cartilage lesion in situ and a method for repair and restoration of function of injured, traumatized, aged or diseased cartilage. The construct comprises at least chondrocytes incorporated into a support matrix processed according to the algorithm comprising variable hydrostatic or atmospheric pressure or non-pressure conditions, variable rate of perfusion, variable medium composition, variable temperature, variable cell density and variable time to which the chondrocytes are subjected.
    Type: Application
    Filed: July 30, 2019
    Publication date: March 26, 2020
    Applicants: HISTOGENICS CORPORATION, TAKAGI INDUSTRIAL CO. LTD.
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J.B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20190321451
    Abstract: The invention generally relates to systems (i.e. constructs) for repairing cartilage and methods for preparing the same that introduce a bioactive agent into a culture medium, suspension, scaffold, solution incorporated into the pores of the scaffold, or combinations thereof. The introduction of a bioactive agent promotes production of neo-cartilage (i.e. immature hyaline cartilage) in the system, both ex-vivo and in-vivo.
    Type: Application
    Filed: July 5, 2019
    Publication date: October 24, 2019
    Applicant: Histogenics Corporation
    Inventors: Laurence J.B. Tarrant, Sonya Shortkroff, Shuichi Mizuno, Akihiko Kusanagi, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20160367727
    Abstract: One-cartilage constructs suitable for implantation into a joint cartilage lesion in sit-up and a method for repair and restoration of function of injured, traumatic, aged or diseased cartilage. The construct comprises at least chondrocytes incorporated into a support matrix processed according to the algorithm comprising variable hydrostatic or atmospheric pressure or non-pressure conditions, variable rate of perfusion, variable medium composition, variable temperature, variable cell density and variable time to which the chondrocytes are subjected.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 22, 2016
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J.B. Tarrant, Toshimasa Tokuno, R. Lane Smith
  • Patent number: 9393195
    Abstract: Neo-cartilage constructs suitable for implantation into a joint cartilage lesion in situ and a method for repair and restoration of function of injured, traumatized, aged or diseased cartilage. The construct comprises at least chondrocytes incorporated into a support matrix processed according to the algorithm comprising variable hydrostatic or atmospheric pressure or non-pressure conditions, variable rate of perfusion, variable medium composition, variable temperature, variable cell density and variable time to which the chondrocytes are subjected.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: July 19, 2016
    Assignee: Histogenics Corporation
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Patent number: 9387278
    Abstract: The present invention relates to an inflow cannula for blood circulatory assist devices, having a robust structure and possessing a thrombus anchoring effect. Furthermore, the inflow cannula for blood circulatory assist devices does not deform or exhibit loss of dimensional accuracy during the manufacture process. These features are achieved by a porous structure formed of one or more linear elements or of a porous shaped article.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: July 12, 2016
    Assignees: Sun Medical Technology Research Corp., Hi-Lex Corporation
    Inventors: Takayuki Miyakoshi, Toshimasa Tokuno, Tomoya Kitano, Kazutaka Yoshino, Yasuo Seki
  • Patent number: 8906686
    Abstract: Neo-cartilage constructs suitable for implantation into a joint cartilage lesion in situ and a method for repair and restoration of function of injured, traumatized, aged or diseased cartilage. The construct comprises at least chondrocytes incorporated into a support matrix processed according to the algorithm comprising variable hydrostatic or atmospheric pressure or non-pressure conditions, variable rate of perfusion, variable medium composition, variable temperature, variable cell density and variable time to which the chondrocytes are subjected.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: December 9, 2014
    Assignee: Histogenics Corporation
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20140193468
    Abstract: The invention generally relates to systems (i.e. constructs) for repairing cartilage and methods for preparing the same that introduce a bioactive agent into a culture medium, suspension, scaffold, solution incorporated into the pores of the scaffold, or combinations thereof. The introduction of a bioactive agent promotes production of neo-cartilage (i.e. immature hyaline cartilage) in the system, both ex-vivo and in-vivo.
    Type: Application
    Filed: March 13, 2014
    Publication date: July 10, 2014
    Applicant: HISTOGENICS CORPORATION
    Inventors: Laurence J. B. Tarrant, Sonya Shortkroff, Shuichi Mizuno, Akihiko Kusanagi, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20130273121
    Abstract: Neo-cartilage constructs suitable for implantation into a joint cartilage lesion in situ and a method for repair and restoration of function of injured, traumatized, aged or diseased cartilage. The construct comprises at least chondrocytes incorporated into a support matrix processed according to the algorithm comprising variable hydrostatic or atmospheric pressure or non-pressure conditions, variable rate of perfusion, variable medium composition, variable temperature, variable cell density and variable time to which the chondrocytes are subjected.
    Type: Application
    Filed: May 21, 2013
    Publication date: October 17, 2013
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20110313237
    Abstract: The present invention relates to an inflow cannula for blood circulatory assist devices, having a robust structure and possessing a thrombus anchoring effect. Furthermore, the inflow cannula for blood circulatory assist devices does not deform or exhibit loss of dimensional accuracy during the manufacture process. These features are achieved by a porous structure formed of one or more linear elements or of a porous shaped article.
    Type: Application
    Filed: September 24, 2009
    Publication date: December 22, 2011
    Applicants: HI-LEX CORPORATION, SUN MEDICAL TECHNOLOGY RESEARCH CORP.
    Inventors: Takayuki Miyakoshi, Toshimasa Tokuno, Tomoya Kitano, Kazutaka Yoshino, Yasuo Seki
  • Patent number: 7537780
    Abstract: Neo-cartilage constructs for growth and surface coating for the de novo formation of a superficial cartilage layer. A method for generation of the neo-cartilage and the neo-cartilage construct. A method for repair and restoration of the injured, damaged, diseased or aged cartilage into its full functionality and for treatment of injured or diseased cartilage by implanting the neo-cartilage construct between two layers of biologically acceptable sealants.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: May 26, 2009
    Assignee: Histogenics Corporation
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Patent number: 7468192
    Abstract: A method for treatment of injured, damaged, diseased or aged articular cartilage using neo-cartilage constructs implanted into a joint cartilage lesion in situ. The implantation of the construct initiates and achieves incorporation of neo-cartilage into a native surrounding cartilage including a formation of a new superficial cartilage layer overgrowing and sealing the lesion in the joint cartilage.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: December 23, 2008
    Assignee: Histogenics Corporation
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20080009942
    Abstract: A method for treatment of injured, damaged, diseased or aged articular cartilage using neo-cartilage constructs implanted into a joint cartilage lesion in situ. The implantation of the construct initiates and achieves incorporation of neo-cartilage into a native surrounding cartilage including a formation of a new superficial cartilage layer overgrowing and sealing the lesion in the joint cartilage.
    Type: Application
    Filed: August 23, 2006
    Publication date: January 10, 2008
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence Tarrant, Toshimasa Tokuno, Robert Smith
  • Publication number: 20060216822
    Abstract: Neo-cartilage constructs suitable for implantation into a joint cartilage lesion in situ and a method for repair and restoration of function of injured, traumatized, aged or diseased cartilage. The construct comprises at least chondrocytes incorporated into a support matrix processed according to the algorithm comprising variable hydrostatic or atmospheric pressure or non-pressure conditions, variable rate of perfusion, variable medium composition, variable temperature, variable cell density and variable time to which the chondrocytes are subjected.
    Type: Application
    Filed: April 28, 2006
    Publication date: September 28, 2006
    Applicant: Histogenics Corporation
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence Tarrant, Toshimasa Tokuno, Robert Smith
  • Patent number: 6949252
    Abstract: The present invention relates to compositions and methods for preparing tissues or tissue constructs. In selected embodiments, the invention relates to the construction of a multi-layered biological structure (i.e. system) that includes a cellular support matrix seeded with living cells derived from a native tissue. The present invention also relates to tissue culture protocols to promote the in vitro growth of tissues and tissue constructs.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: September 27, 2005
    Assignee: Histogenics, Corp.
    Inventors: Shuichi Mizuno, Toshimasa Tokuno, Laurence J. Berlowitz Tarrant
  • Publication number: 20040191900
    Abstract: Neo-cartilage constructs for growth and surface coating for the de novo formation of a superficial cartilage layer. A method for generation of the neo-cartilage and the neo-cartilage construct. A method for repair and restoration of the injured, damaged, diseased or aged cartilage into its full functionality and for treatment of injured or diseased cartilage by implanting the neo-cartilage construct between two layers of biologically acceptable sealants.
    Type: Application
    Filed: July 22, 2003
    Publication date: September 30, 2004
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20040151705
    Abstract: Neo-cartilage constructs suitable for implantation into a joint cartilage lesion in situ and a method for repair and restoration of function of injured, traumatized, aged or diseased cartilage. The construct comprises at least chondrocytes incorporated into a support matrix processed according to the algorithm comprising variable hydrostatic or atmospheric pressure or non-pressure conditions, variable rate of perfusion, variable medium composition, variable temperature, variable cell density and variable time to which the chondrocytes are subjected.
    Type: Application
    Filed: July 22, 2003
    Publication date: August 5, 2004
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20040134502
    Abstract: A method for treatment of injured, damaged, diseased or aged articular cartilage using neo-cartilage constructs implanted into a joint cartilage lesion in situ. The implantation of the construct initiates and achieves incorporation of neo-cartilage into a native surrounding cartilage including a formation of a new superficial cartilage layer overgrowing and sealing the lesion in the joint cartilage.
    Type: Application
    Filed: July 22, 2003
    Publication date: July 15, 2004
    Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
  • Publication number: 20030040113
    Abstract: The present invention relates to compositions and methods for preparing tissues or tissue constructs. In selected embodiments, the invention relates to the construction of a multi-layered biological structure (i.e. system) that includes a cellular support matrix seeded with living cells derived from a native tissue. The present invention also relates to tissue culture protocols to promote the in vitro growth of tissues and tissue constructs.
    Type: Application
    Filed: March 22, 2002
    Publication date: February 27, 2003
    Applicant: Histogenics Corporation
    Inventors: Shuichi Mizuno, Toshimasa Tokuno, Laurence J. Berlowitz Tarrant
  • Publication number: 20020173688
    Abstract: This invention discloses a method for treating tissue of a varicose vein, the method comprising applying ultrasonic vibrational energy targeting said varicose vein effective for stimulating and restoring tissue physiological functions of said vein. A catheter for treating tissue of a blood vessel comprises at least one ultrasound transducer element and at least a suction element configured and adapted for pulling the tissue toward the catheter radially, wherein the ultrasonic vibrational energy is provided by an ultrasound transducer element connected to an adjustable high frequency current source.
    Type: Application
    Filed: May 15, 2001
    Publication date: November 21, 2002
    Inventors: Peter Cheng Chen, Toshimasa Tokuno, Weng-Kwen Raymond Chia, Cary Hata
  • Patent number: 5352709
    Abstract: This invention pertains to foamed algal plastics and products made therefrom, and methods for making algal plastics. The invention also pertains to algal plastic resin precursors for generating the foamed algal plastics and algal plastic products. The foamed algal plastics comprise a foamed and stabilized algal fiber matrix having substantial dimensional stability. The foamed algal plastics can be used, for instance, to generate packing materials, such as molded packings or foamed particles packings (e.g. packing peanuts).
    Type: Grant
    Filed: January 29, 1993
    Date of Patent: October 4, 1994
    Assignee: International Technology Management Associates, Ltd.
    Inventors: Laurence B. Tarrant, Toshimasa Tokuno, Satya Shivkumar