Patents by Inventor Yoichi Ishizaki

Yoichi Ishizaki 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: 11407212
    Abstract: The present invention provides a packaging material for a patch, the packaging material comprising: an inner layer film made of a polyethylene terephthalate-based resin having heat sealing properties; and a substrate film, wherein a heat-sealing surface of the inner layer film comprises an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 10 mol % to 20 mol %. More preferably, the inner layer film made of the polyethylene terephthalate-based resin having heat sealing properties is a multi-layer film comprising at least two layers including a heat sealing surface side layer made of an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 10 mol % to 20 mol % and a layer made of an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 0 mol % to 5 mol %.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: August 9, 2022
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoichi Ishizaki, Yoshihiro Ohta
  • Publication number: 20220127555
    Abstract: A culture container for culturing lymphocytes includes an immobilized surface and a non-immobilized surface, wherein the culture container is formed of a gas permeable film, the immobilized surface and the non-immobilized surface are container inner surfaces facing each other, and anti-CD3 antibodies are immobilized in the immobilized surface at a concentration of 10 to 300 ng/cm2.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takahiko Totani, Satoshi Tanaka, Takeshi Aihara, Yoichi Ishizaki
  • Publication number: 20220127556
    Abstract: A culture container for culturing lymphocytes includes an immobilized surface and a non-immobilized surface, wherein the culture container is formed of a gas permeable film, the immobilized surface and the non-immobilized surface are container inner surfaces facing each other, and anti-CD3 antibodies are immobilized in the immobilized surface at a concentration of 10 to 300 ng/cm2.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takahiko Totani, Satoshi Tanaka, Takeshi Aihara, Yoichi Ishizaki
  • Publication number: 20220127554
    Abstract: A culture container for culturing lymphocytes includes an immobilized surface and a non-immobilized surface, wherein the culture container is formed of a gas permeable film, the immobilized surface and the non-immobilized surface are container inner surfaces facing each other, and anti-CD3 antibodies are immobilized in the immobilized surface at a concentration of 10 to 300 ng/cm2.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takahiko Totani, Satoshi Tanaka, Takeshi Aihara, Yoichi Ishizaki
  • Publication number: 20200362211
    Abstract: An oxygen-absorbing film having an oxygen-absorbing adhesive agent layer including a cured oxygen-absorbing adhesive agent resin composition, wherein the oxygen-absorbing adhesive agent layer has at least two glass transition temperatures, and wherein the lowest glass transition temperature among the glass transition temperatures is lower than 0° C. The cured oxygen-absorbing adhesive agent resin composition preferably includes: (A) an oxygen-absorbing polyester resin having a glass transition temperature of ?20 to 10° C. and (B) a saturated polyester resin having a glass transition temperature of ?10° C. or lower.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Inventors: Yoichi Tadokoro, Yoichi Ishizaki, Yoshihiro Ohta
  • Patent number: 10774248
    Abstract: An oxygen-absorbing film having an oxygen-absorbing adhesive agent layer comprising an oxygen-absorbing adhesive agent resin composition, wherein the oxygen-absorbing adhesive agent layer has at least two glass transition temperatures, and wherein the lowest glass transition temperature among the glass transition temperatures is lower than 0° C. The oxygen-absorbing adhesive agent resin composition preferably comprises: (A) an oxygen-absorbing polyester resin having a glass transition temperature of ?20 to 10° C. made from a tetrahydrophthalic acid, a derivative thereof, a tetrahydrophthalic anhydride, or a derivative thereof, and (B) a saturated polyester resin having a glass transition temperature of ?10° C. or lower that is a polyester resin containing substantially no carbon-carbon double bond group, and can be obtained by, for example, polycondensation of a dicarboxylic acid component, a diol component, and a hydroxycarboxylic acid component.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: September 15, 2020
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoichi Tadokoro, Yoichi Ishizaki, Yoshihiro Ohta
  • Patent number: 10677860
    Abstract: A magnetic sensor includes a magnetoresistive body that is disposed over a surface of an insulator, a protective film that is provided over a surface of the insulator, including over the magnetoresistive body, and an open portion that runs along at least a portion of a perimeter of the magnetoresistive body and penetrates the protective film in a thickness direction of the protective film. In the magnetic sensor, a separation distance between an inside wall of the open portion and the magnetoresistive body, this being a minimum distance with respect to the magnetoresistive body, is configured so as to be longer than an alignment margin dimension of the open portion with respect to the magnetoresistive body.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: June 9, 2020
    Assignee: KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO
    Inventor: Yoichi Ishizaki
  • Publication number: 20190127676
    Abstract: Provided are a multilayer film having excellent gas permeability and excellent handling properties and hence is suited for forming a cell culture container, and a cell culture container formed by using the same. A multilayer film used for forming a cell culture container, comprising: a base material composed of a polyethylene-based resin having a density of 0.87 g/cm3 to 0.90 g/cm3; and an inner layer composed of a polyethylene-based resin having a density of 0.896 g/cm3 to 0.93 g/cm3 and forming a cell culture icy surface. A cell culture container is formed by using this multilayer film.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 2, 2019
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Satoshi Tanaka, Takahiko Totani, Yoichi Ishizaki, Kyohei Ota, Ryo Suenaga, Masahiro Kuninori
  • Publication number: 20190072620
    Abstract: A magnetic sensor includes a magnetoresistive body that is disposed over a surface of an insulator, a protective film that is provided over a surface of the insulator, including over the magnetoresistive body, and an open portion that runs along at least a portion of a perimeter of the magnetoresistive body and penetrates the protective film in a thickness direction of the protective film. In the magnetic sensor, a separation distance between an inside wall of the open portion and the magnetoresistive body, this being a minimum distance with respect to the magnetoresistive body, is configured so as to be longer than an alignment margin dimension of the open portion with respect to the magnetoresistive body.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 7, 2019
    Inventor: Yoichi ISHIZAKI
  • Patent number: 9926522
    Abstract: A culture bag for culturing adherent cells is provided without requiring a highly clean production environment and a complex production step such as a masking step. An adherent cell culture vessel that is formed of a polyolefin is configured so that part or the entirety of the inner surface of the culture vessel has a static water contact angle of 95° or more, and has an advancing contact angle and a receding contact angle that satisfy the inequality “advancing contact angle?receding contact angle>25°” when water runs down along the inner surface.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: March 27, 2018
    Assignee: Toyo Seikan Kaisha, Ltd.
    Inventors: Takahiko Totani, Yoichi Ishizaki, Satoshi Tanaka, Ryo Suenaga, Kyohei Ota, Masahiro Kuninori
  • Patent number: 9909090
    Abstract: A cell culture kit for cultivating cells in a closed system includes at least one or more of each of: a culture container for cultivating cells; a culture medium storage container for storing a culture medium or the like; a cell injection container for injecting cells; and a cell collecting container for collecting a suspension of cells after cultivation; wherein the culture medium storage container is also used as a waste liquid container for collecting a culture medium after cultivation, and the culture container, the culture medium storage container, the cell injection container and the cell collecting container are linked to one another through a conduit.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: March 6, 2018
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD
    Inventors: Satoshi Tanaka, Takahiko Totani, Yoichi Ishizaki
  • Patent number: 9714408
    Abstract: In a cell culture in a sealed cell culture container, gradual deterioration of culture environment is prevented.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: July 25, 2017
    Assignee: Toyo Seikan Group Holdings, LTD.
    Inventors: Satoshi Tanaka, Yoichi Ishizaki, Ryo Suenaga, Yoriko Tokita, Masahito Kogure
  • Publication number: 20160289624
    Abstract: A culture container for culturing lymphocytes includes an immobilized surface and a non-immobilized surface, wherein the culture container is formed of a gas permeable film, the immobilized surface and the non-immobilized surface are container inner surfaces facing each other, and anti-CD3 antibodies are immobilized in the immobilized surface at a concentration of 10 to 300 ng/cm2.
    Type: Application
    Filed: June 16, 2016
    Publication date: October 6, 2016
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takahiko Totani, Satoshi Tanaka, Takeshi Aihara, Yoichi Ishizaki
  • Patent number: 9441193
    Abstract: By maintaining the cell density during culture at an appropriate level and eliminating the procedure of transferring cells from a container to another container when a large amount of cells are cultured, damage on cells can be reduced, risk of contamination can be lowered, labor saving can be attained and automation can be attained. A cell culture apparatus including: a culture container 11 formed of a soft packing material and having an enclosure part 11-1 in which a culture medium and/or cells being cultured are enclosed is placed; a container table 12 on which the culture container 11 is placed; a roller 13 which is placed on the upper surface of the culture container 11 and divides the enclosure part 11-1 into two or more chambers; and a driving means 15 which relatively moves the roller 13 or the culture container 11, thereby to change the volume of the culture part 11-11 in the enclosure part 11-1 in which a culture medium or cells being cultured are enclosed.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: September 13, 2016
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Satoshi Tanaka, Yoichi Ishizaki, Ryo Suenaga, Yoriko Tokita, Masahito Kogure
  • Patent number: 9428316
    Abstract: A two-component curable oxygen-absorbing composition comprises a polyester comprising structural units derived from an acid component (A) and an acid component (B), wherein the ratio of the acid component (A) to total acid components is 70 mol % to 95 mol %, the ratio of the acid component (B) to total acid components is 0 mol % to 15 mol %, the polyester has a glass transition temperature of ?20° C. to 0° C., the resin is cured using a diisocyanate hardening agent, and the acid component (A) is a tetrahydrophthalic acid or a derivative thereof, or a tetrahydrophthalic acid anhydride or a derivative thereof, and the acid component (B) is a phthalic acid or an analog thereof.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: August 30, 2016
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano
  • Patent number: 9388376
    Abstract: A method for counting counted targets disposed in a liquid enclosed in a container, includes adjusting a thickness of at least a part of the container; setting at least a part of the adjusted part as a measurement target region; and counting a number of counted targets in the measurement target region.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: July 12, 2016
    Assignee: TOYO SEIKAN KAISHA, LTD.
    Inventors: Ryo Suenaga, Yoichi Ishizaki, Satoshi Tanaka, Takahiko Totani, Kyohei Ota
  • Publication number: 20150353789
    Abstract: The present invention provides an oxygen-absorbing film having an oxygen-absorbing adhesive agent layer comprising an oxygen-absorbing adhesive agent resin composition, wherein the oxygen-absorbing adhesive agent layer has at least two glass transition temperatures, and wherein the lowest glass transition temperature among the glass transition temperatures is lower than 0° C. The oxygen-absorbing adhesive agent resin composition preferably comprises: (A) an oxygen-absorbing polyester resin having a glass transition temperature of ?20 to 10° C. and (B) a saturated polyester resin having a glass transition temperature of ?10° C. or lower.
    Type: Application
    Filed: January 20, 2014
    Publication date: December 10, 2015
    Inventors: Yoichi Tadokoro, Yoichi Ishizaki, Yoshihiro Ohta
  • Publication number: 20150258757
    Abstract: The present invention provides a packaging material for a patch, the packaging material comprising: an inner layer film made of a polyethylene terephthalate-based resin having heat sealing properties; and a substrate film, wherein a heat-sealing surface of the inner layer film comprises an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 10 mol % to 20 mol %. More preferably, the inner layer film made of the polyethylene terephthalate-based resin having heat sealing properties is a multi-layer film comprising at least two layers including a heat sealing surface side layer made of an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 10 mol % to 20 mol % and a layer made of an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 0 mol % to 5 mol %.
    Type: Application
    Filed: September 24, 2013
    Publication date: September 17, 2015
    Inventors: Yoichi Ishizaki, Yoshihiro Ohta
  • Patent number: 9102853
    Abstract: The purpose of the present invention is to provide a two-part curable oxygen-absorbable resin composition which has all of oxygen absorbability, adhesion properties and a cohesive force. The present invention provides a two-part curable oxygen-absorbable resin composition comprising: a main component which comprises a polyester polyol containing tetrahydrophthalic acid or a derivative thereof or tetrahydrophthalic acid anhydride or a derivative thereof as a raw material; and an aliphatic and/or alicyclic isocyanate curing agent component.
    Type: Grant
    Filed: December 26, 2011
    Date of Patent: August 11, 2015
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano
  • Publication number: 20150125710
    Abstract: The purpose of the present invention is to provide a two-component curable oxygen-absorbing resin composition that has both oxygen-absorbing and adhesive properties and cohesive power. The resin for an oxygen-absorbing adhesive is a polyester comprising structural units derived from an acid component (A) and an acid component (B), wherein the ratio of the acid component (A) to total acid components is 70% to 95 mol %, the ratio of the acid component (B) to total acid components is 0% to 15 mol %, the polyester has a glass transition temperature of ?20° C. to 2° C., the resin is cured using a hardening agent, the acid component (A) is tetrahydrophthalic acid or a derivative thereof, or tetrahydrophthalic acid anhydride or a derivative thereof, and the acid component (B) is phthalic acid.
    Type: Application
    Filed: January 12, 2015
    Publication date: May 7, 2015
    Inventors: Yoshihiro Ohta, Yoichi Ishizaki, Yui Asano