Patents by Inventor Takanori Fujiwara

Takanori Fujiwara 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: 20240228762
    Abstract: A vinyl chloride resin composition excellent in high-temperature powder fluidity is provided. The vinyl chloride resin composition includes a vinyl chloride resin and a plasticizer, and satisfies at least one of: (1) a tetrahydrofuran-insoluble content ratio being 10 mass % or more; and (2) a ratio between the tetrahydrofuran-insoluble content ratio and a content ratio of the plasticizer (tetrahydrofuran-insoluble content ratio/plasticizer content ratio) being 0.20 or more.
    Type: Application
    Filed: March 15, 2022
    Publication date: July 11, 2024
    Applicant: ZEON CORPORATION
    Inventors: Takanori FUJIWARA, Nao KIDA
  • Publication number: 20240132709
    Abstract: A vinyl chloride resin composition excellent in high-temperature powder fluidity is provided. The vinyl chloride resin composition includes a vinyl chloride resin and a plasticizer, and satisfies at least one of: (1) a tetrahydrofuran-insoluble content ratio being 10 mass % or more; and (2) a ratio between the tetrahydrofuran-insoluble content ratio and a content ratio of the plasticizer (tetrahydrofuran-insoluble content ratio/plasticizer content ratio) being 0.20 or more.
    Type: Application
    Filed: March 14, 2022
    Publication date: April 25, 2024
    Applicant: ZEON CORPORATION
    Inventors: Takanori FUJIWARA, Nao KIDA
  • Publication number: 20240018338
    Abstract: Provided is a vinyl chloride resin composition with which color tone variation caused by molding temperature difference is inhibited. The vinyl chloride resin composition contains a vinyl chloride resin, a plasticizer, a uracil compound, and either or both of acetylacetone and a metal salt of acetylacetone. The vinyl chloride resin composition is preferably used in powder molding.
    Type: Application
    Filed: December 24, 2021
    Publication date: January 18, 2024
    Applicant: ZEON CORPORATION
    Inventors: Takafumi KARASAKI, Takanori FUJIWARA
  • Publication number: 20230265276
    Abstract: Provided is a vinyl chloride resin composition for powder molding with which it is possible to form a vinyl chloride resin molded product having excellent alcohol resistance and low-temperature flexibility. The vinyl chloride resin composition for powder molding contains: (a) a vinyl chloride resin; and (b) a 3-methyl-1,5-pentanediol-sebacic acid polyester that includes a sebacic acid-derived structural unit and a 3-methyl-1,5-pentanediol-derived structural unit. The vinyl chloride resin composition for powder molding is preferably used for powder slush molding.
    Type: Application
    Filed: August 13, 2021
    Publication date: August 24, 2023
    Applicant: ZEON CORPORATION
    Inventor: Takanori FUJIWARA
  • Patent number: 11538552
    Abstract: A method and system for analyzing a target network relative to a background network of data using machine learning. The method includes extracting a first feature matrix from an adjacency matrix representative of the target network, extracting a second feature matrix from an adjacency matrix representative of the background network, generating a projection matrix based on the first and second feature matrices using a contrastive learning algorithm, generating a first contrastive matrix representation of the target network based on the projection matrix and the first feature matrix, generating a second contrastive matrix representation of the background network based on the projection matrix and the second feature matrix, and displaying a visualization of unique features of the target network relative to the background network based on the first contrastive matrix and the second contrastive matrix.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: December 27, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takanori Fujiwara, Jian Zhao, Francine Chen
  • Publication number: 20220153982
    Abstract: A vinyl chloride resin composition contains (a) a vinyl chloride resin and (x) a plasticizer. The (x) plasticizer includes (b) a trimellitic acid ester and (c) a polyester including a structural unit derived from adipic acid and a structural unit derived from 3-methyl-1,5-pentanediol. The total content of the (b) trimellitic acid ester and the (c) polyester is 65 parts by mass or more per 100 parts by mass of the (a) vinyl chloride resin, and the proportion constituted by the content of the (c) polyester in the total content of the (b) trimellitic acid ester and the (c) polyester is more than 50 mass %.
    Type: Application
    Filed: March 23, 2020
    Publication date: May 19, 2022
    Applicant: ZEON CORPORATION
    Inventor: Takanori FUJIWARA
  • Publication number: 20210395506
    Abstract: Provided is a vinyl chloride resin composition for powder molding with which it is possible to form a vinyl chloride resin molded product having excellent fogging characteristics and heat shrinkage resistance. The vinyl chloride resin composition for powder molding contains a vinyl chloride resin, a trimellitic acid ester, and a polyester including a structural unit derived from adipic acid and a structural unit derived from 3-methyl-1,5-pentanediol. The vinyl chloride resin composition for powder molding is preferably used in powder slush molding.
    Type: Application
    Filed: October 21, 2019
    Publication date: December 23, 2021
    Applicant: ZEON CORPORATION
    Inventor: Takanori FUJIWARA
  • Patent number: 11149140
    Abstract: Provided is a vinyl chloride resin molded product that has a low peak top temperature of loss modulus E? after a heat aging test in the case of being lined with a foamed polyurethane molded product. A vinyl chloride resin composition comprises: (a) a vinyl chloride resin; (b) a plasticizer; and (c) a copper oxide.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: October 19, 2021
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Publication number: 20210233607
    Abstract: A method and system for analyzing a target network relative to a background network of data using machine learning. The method includes extracting a first feature matrix from an adjacency matrix representative of the target network, extracting a second feature matrix from an adjacency matrix representative of the background network, generating a projection matrix based on the first and second feature matrices using a contrastive learning algorithm, generating a first contrastive matrix representation of the target network based on the projection matrix and the first feature matrix, generating a second contrastive matrix representation of the background network based on the projection matrix and the second feature matrix, and displaying a visualization of unique features of the target network relative to the background network based on the first contrastive matrix and the second contrastive matrix.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 29, 2021
    Inventors: Takanori Fujiwara, Jian Zhao, Francine Chen
  • Patent number: 11052635
    Abstract: Provided is a sheet-type molded body that is formed by sewing a sheet, wherein thread is used for at least part of said sewing, the thread being composed of a resin composition for thread containing resin for thread, the thread having a melting point of no more than 200° C., and a laminate comprising: the sheet-type molded body; and a polyurethane foam formed body, the sheet-type molded body, and the laminate comprising: the sheet-type molded body; and a polyurethane foam layer being able to be produced by a simple method at low cost without damaging design qualities over time, and making it possible to prevent leakage of raw material etc. from sewed portions when backed with the polyurethane foam layer.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: July 6, 2021
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Patent number: 10800146
    Abstract: Provided is a vinyl chloride resin composition that can provide a molded product having superior flexibility at low temperatures. The vinyl chloride resin composition includes (a) a vinyl chloride resin and (b) a diester plasticizer formed from a compound represented by formula (1) shown below. In formula (1), R1 and R3 are monovalent hydrocarbon groups that may be the same or different and R2 is a divalent hydrocarbon group. Moreover, (a) the vinyl chloride resin includes (x) a base vinyl chloride resin in an amount of from 70 mass % to 100 mass % and (y) vinyl chloride resin fine particles in an amount of from 0 mass % to 30 mass %.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: October 13, 2020
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Patent number: 10738186
    Abstract: A vinyl chloride resin composition comprises: (a) a vinyl chloride resin; (b) a diester plasticizer formed from a compound represented by the following predetermined formula (1) and (c) a trimellitate plasticizer formed from a compound represented by the following formula (2): where R4, R5, and R6 are alkyl groups that may be the same or different, and a straight chain ratio of each of R4, R5, and R6 is less than 90 mol %.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: August 11, 2020
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Patent number: 10723099
    Abstract: Provided is a vinyl chloride resin composition that can provide a molded product having superior flexibility at low temperatures. The vinyl chloride resin composition includes (a) a vinyl chloride resin, (b) a diester plasticizer formed from a compound represented by formula (1) shown below, and (c) a trimellitate plasticizer. Furthermore, (a) the vinyl chloride resin includes (x) a base vinyl chloride resin in an amount of from 70 mass % to 100 mass % and (y) vinyl chloride resin fine particles in an amount of from 0 mass % to 30 mass %. In formula (1), R1 and R3 are monovalent hydrocarbon groups having an unsaturated carbon-carbon bond that may be the same or different, and R2 is a divalent hydrocarbon group.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: July 28, 2020
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Patent number: 10689509
    Abstract: Provided is a powder moldable vinyl chloride resin composition for a real-stitched surface skin that is capable of providing a molded product having excellent flexibility at low temperatures and real stitching properties. The powder moldable vinyl chloride resin composition for a real-stitched surface skin contains vinyl chloride resin particles (a) having an average degree of polymerization of at least 1,200 and no greater than 5,000, a trimellitate plasticizer (b), and vinyl chloride resin fine particles (c) having an average degree of polymerization of at least 1,000 and no greater than 5,000.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: June 23, 2020
    Assignee: ZEON CORPORATION
    Inventors: Shota Nishimura, Takanori Fujiwara
  • Patent number: 10688762
    Abstract: Disclosed is a laminate for automotive interior material which includes a vinyl chloride resin layer and a tape, where no mark appears at a portion where the tape is laminated even when the laminate is lined with a foamed polyurethane layer and heated. The disclosed laminate for automotive interior material includes a vinyl chloride resin layer and a tape disposed on one side in a thickness direction of the vinyl chloride resin layer, wherein the tape includes a substrate having a porous structure and an adhesive layer, and wherein the adhesive layer is positioned closer to the vinyl chloride resin layer than the substrate.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: June 23, 2020
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Patent number: 10640625
    Abstract: Provided is a vinyl chloride resin composition that can provide a molded product having superior flexibility at low temperatures. The vinyl chloride resin composition includes (a) a vinyl chloride resin and (b) a dodecanedioic acid diester. Moreover, (a) the vinyl chloride resin includes (x) a base vinyl chloride resin in an amount of from 70 mass % to 100 mass % and (y) vinyl chloride resin fine particles in an amount of from 0 mass % to 30 mass %.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: May 5, 2020
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Publication number: 20200079054
    Abstract: The objective of the present disclosure is to provide a laminate in which components of a foamed polyurethane layer are suppressed from leaking out to a surface of a thermoplastic resin layer even when the thermoplastic resin layer is sewn. Provided is a laminate including: a backing member formed of a tape; a thermoplastic resin layer disposed on one side in a thickness direction of the backing member; and a foamed polyurethane layer disposed on another side in the thickness direction of the backing member, wherein the tape includes a porous substrate positioned on the foamed polyurethane layer side and an adhesive layer positioned on the thermoplastic resin layer side, and wherein the thermoplastic resin layer and the backing member are sewn together.
    Type: Application
    Filed: December 1, 2017
    Publication date: March 12, 2020
    Applicant: ZEON CORPORATION
    Inventor: Takanori FUJIWARA
  • Publication number: 20200010659
    Abstract: Provided is a vinyl chloride resin molded product that has a low peak top temperature of loss modulus E? after a heat aging test in the case of being lined with a foamed polyurethane molded product. A vinyl chloride resin composition comprises: (a) a vinyl chloride resin; (b) a plasticizer; and (c) a copper oxide.
    Type: Application
    Filed: March 13, 2018
    Publication date: January 9, 2020
    Applicant: ZEON CORPORATION
    Inventor: Takanori FUJIWARA
  • Publication number: 20190225789
    Abstract: A vinyl chloride resin composition comprises: (a) a vinyl chloride resin; (b) a diester plasticizer formed from a compound represented by the following predetermined formula (1) and (c) a trimellitate plasticizer formed from a compound represented by the following formula (2): where R4, R5, and R6 are alkyl groups that may be the same or different, and a straight chain ratio of each of R4, R5, and R6 is less than 90 mol %.
    Type: Application
    Filed: December 7, 2016
    Publication date: July 25, 2019
    Applicants: ZEON CORPORATION, ZEON CORPORATION
    Inventor: Takanori FUJIWARA
  • Publication number: 20190112461
    Abstract: A vinyl chloride resin composition capable of forming a vinyl chloride resin molded product that has a low peak top temperature of loss modulus E? in an initial stage and after a heat aging test while ensuring tensile elongation at low temperature is provided. A vinyl chloride resin composition comprises: a vinyl chloride resin; a trimellitate; and a predetermined pyromellitate having alkyl groups whose total straight chain ratio is 90 mol % or more, wherein a percentage content of the pyromellitate relative to a total content of the trimellitate and the pyromellitate is 15 mass % or more.
    Type: Application
    Filed: March 22, 2017
    Publication date: April 18, 2019
    Applicant: ZEON CORPORATION
    Inventor: Takanori FUJIWARA