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).
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Publication number: 20200093962Abstract: 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: ApplicationFiled: July 30, 2019Publication date: March 26, 2020Applicants: HISTOGENICS CORPORATION, TAKAGI INDUSTRIAL CO. LTD.Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J.B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20190321451Abstract: 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: ApplicationFiled: July 5, 2019Publication date: October 24, 2019Applicant: Histogenics CorporationInventors: Laurence J.B. Tarrant, Sonya Shortkroff, Shuichi Mizuno, Akihiko Kusanagi, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20160367727Abstract: 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: ApplicationFiled: June 17, 2016Publication date: December 22, 2016Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J.B. Tarrant, Toshimasa Tokuno, R. Lane Smith
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Patent number: 9393195Abstract: 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: GrantFiled: May 21, 2013Date of Patent: July 19, 2016Assignee: Histogenics CorporationInventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Patent number: 9387278Abstract: 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: GrantFiled: September 24, 2009Date of Patent: July 12, 2016Assignees: Sun Medical Technology Research Corp., Hi-Lex CorporationInventors: Takayuki Miyakoshi, Toshimasa Tokuno, Tomoya Kitano, Kazutaka Yoshino, Yasuo Seki
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Patent number: 8906686Abstract: 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: GrantFiled: April 28, 2006Date of Patent: December 9, 2014Assignee: Histogenics CorporationInventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20140193468Abstract: 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: ApplicationFiled: March 13, 2014Publication date: July 10, 2014Applicant: HISTOGENICS CORPORATIONInventors: Laurence J. B. Tarrant, Sonya Shortkroff, Shuichi Mizuno, Akihiko Kusanagi, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20130273121Abstract: 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: ApplicationFiled: May 21, 2013Publication date: October 17, 2013Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20110313237Abstract: 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: ApplicationFiled: September 24, 2009Publication date: December 22, 2011Applicants: HI-LEX CORPORATION, SUN MEDICAL TECHNOLOGY RESEARCH CORP.Inventors: Takayuki Miyakoshi, Toshimasa Tokuno, Tomoya Kitano, Kazutaka Yoshino, Yasuo Seki
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Patent number: 7537780Abstract: 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: GrantFiled: July 22, 2003Date of Patent: May 26, 2009Assignee: Histogenics CorporationInventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Patent number: 7468192Abstract: 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: GrantFiled: July 22, 2003Date of Patent: December 23, 2008Assignee: Histogenics CorporationInventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20080009942Abstract: 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: ApplicationFiled: August 23, 2006Publication date: January 10, 2008Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence Tarrant, Toshimasa Tokuno, Robert Smith
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Publication number: 20060216822Abstract: 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: ApplicationFiled: April 28, 2006Publication date: September 28, 2006Applicant: Histogenics CorporationInventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence Tarrant, Toshimasa Tokuno, Robert Smith
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Patent number: 6949252Abstract: 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: GrantFiled: March 22, 2002Date of Patent: September 27, 2005Assignee: Histogenics, Corp.Inventors: Shuichi Mizuno, Toshimasa Tokuno, Laurence J. Berlowitz Tarrant
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Publication number: 20040191900Abstract: 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: ApplicationFiled: July 22, 2003Publication date: September 30, 2004Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20040151705Abstract: 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: ApplicationFiled: July 22, 2003Publication date: August 5, 2004Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20040134502Abstract: 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: ApplicationFiled: July 22, 2003Publication date: July 15, 2004Inventors: Shuichi Mizuno, Akihiko Kusanagi, Laurence J. B. Tarrant, Toshimasa Tokuno, Robert Lane Smith
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Publication number: 20030040113Abstract: 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: ApplicationFiled: March 22, 2002Publication date: February 27, 2003Applicant: Histogenics CorporationInventors: Shuichi Mizuno, Toshimasa Tokuno, Laurence J. Berlowitz Tarrant
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Publication number: 20020173688Abstract: 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: ApplicationFiled: May 15, 2001Publication date: November 21, 2002Inventors: Peter Cheng Chen, Toshimasa Tokuno, Weng-Kwen Raymond Chia, Cary Hata
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Patent number: 5352709Abstract: 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: GrantFiled: January 29, 1993Date of Patent: October 4, 1994Assignee: International Technology Management Associates, Ltd.Inventors: Laurence B. Tarrant, Toshimasa Tokuno, Satya Shivkumar