Patents by Inventor Masato Kurokawa

Masato Kurokawa 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: 20240299794
    Abstract: Electrical equipment including at least one electrical device and a housing that houses the at least one electrical device, wherein a fire extinguisher is provided to at least part of an inner wall of the housing to face the at least one electrical device; and the fire extinguisher includes a fire extinguishing material obtained by molding a composition that contains a fire extinguishing agent and a binder.
    Type: Application
    Filed: May 3, 2024
    Publication date: September 12, 2024
    Applicant: TOPPAN HOLDINGS INC.
    Inventors: Junya TANABE, Masato KUROKAWA, Yasuharu SHIINE
  • Patent number: 12074261
    Abstract: A production method for a wavelength conversion sheet, including: a bonding step of bonding a multilayer film and a release film together to obtain a phosphor protective film, the multilayer film including a barrier film, the release film being releasable from the multilayer film; a phosphor layer formation step of forming a phosphor layer containing phosphors on a surface of the multilayer film of the phosphor protective film to obtain a wavelength conversion sheet with the release film; and a release step of releasing the release film from the wavelength conversion sheet with the release film.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: August 27, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Hiroki Ichiba, Satoshi Maruyama, Masato Kurokawa, Yasuhiko Saito
  • Publication number: 20240226622
    Abstract: A fire extinguishing body comprising a packaging bag formed from one or more substrates each comprising a resin layer, and a deliquescent fire extinguishing agent sealed in the packaging bag, the packaging bag having a sealing part at its peripheral edge, and the adhesion strength between the substrates in the sealing part being 5 N/15 mm or more.
    Type: Application
    Filed: December 28, 2023
    Publication date: July 11, 2024
    Applicant: TOPPAN INC.
    Inventors: Yusaku HONJO, Masato KUROKAWA, Ryo SHODA, Junya TANABE
  • Publication number: 20240216738
    Abstract: Disclosed is a method for producing a fire-extinguishing member, including steps of: preparing an adherend that has a surface to be treated; and forming a fire-extinguishing-agent-containing layer on the surface to be treated by a wet coating method to obtain a fire-extinguishing member that includes the adherend and the fire-extinguishing-agent-containing layer provided on the surface to be treated, wherein the fire-extinguishing-agent-containing layer contains a binder resin and a fire-extinguishing agent component that is combusted to generate an aerosol.
    Type: Application
    Filed: April 28, 2022
    Publication date: July 4, 2024
    Applicants: TOPPAN Inc., YAMATO PROTEC CORPORATION
    Inventors: Ryo SHODA, Masato KUROKAWA, Junya TANABE, Ryohei TODE, Takeshi IKEDA, Shougo TOMIYAMA, Akimasa TSUTSUMI
  • Publication number: 20240199893
    Abstract: A fire extinguishing material forming composition contains: a fire extinguishing agent including at least one of a hygroscopic organic salt and an inorganic salt; and a binder including at least one of a polyvinyl acetal resin and a polyvinyl alcohol resin.
    Type: Application
    Filed: January 23, 2024
    Publication date: June 20, 2024
    Applicant: TOPPAN INC.
    Inventors: Yusaku HONJO, Masato KUROKAWA, Yasuharu SHIINE, Ryo SHODA, Junya TANABE
  • Publication number: 20240131374
    Abstract: A fire extinguishing body comprising a packaging bag formed from one or more substrates each comprising a resin layer, and a deliquescent fire extinguishing agent sealed in the packaging bag, the packaging bag having a sealing part at its peripheral edge, and the adhesion strength between the substrates in the sealing part being 5 N/15 mm or more.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 25, 2024
    Applicant: TOPPAN INC.
    Inventors: Yusaku HONJO, Masato KUROKAWA, Ryo SHODA, Junya TANABE
  • Publication number: 20240042254
    Abstract: A fire extinguishing body includes a substrate and a fire extinguishing agent-containing layer facing the substrate, the substrate having a Young's modulus of 2 MPa or more.
    Type: Application
    Filed: May 1, 2023
    Publication date: February 8, 2024
    Applicant: TOPPAN INC.
    Inventors: Masato KUROKAWA, Ryo SHODA, Junya TANABE
  • Patent number: 11642869
    Abstract: A phosphor protection film that includes two films that are bonded to each other via an adhesive layer. One of the two films is a film including an inorganic film layer. In the phosphor protection film, when the film including the inorganic film layer of the two films is a barrier film and the other film of the two films is a support film, the support film has a thickness occupying 72% or more of the total thickness of the phosphor protection film.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: May 9, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Masato Kurokawa
  • Patent number: 11397287
    Abstract: An optical film including a first film substrate and a coating layer formed on the first film substrate. The coating layer of this optical film contains a binder resin and fine particles with an average size of 0.5 ?m or more and 10.0 ?m or less and a standard deviation in size that is less than ½ of the average size.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: July 26, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Hiroki Ichiba, Masato Kurokawa, Koji Murata, Kengo Ozono
  • Patent number: 11254097
    Abstract: The present invention provides a barrier film laminate including a first barrier film that includes a first substrate layer and a first barrier layer formed on the first substrate layer, a second barrier film that includes a second substrate layer and a second barrier layer formed on the substrate layer, and an adhesive layer. In the barrier film laminate, the first barrier film is bonded with the second barrier film so that the first barrier layer faces the second barrier layer with the adhesive layer interposed therebetween. In one embodiment of the barrier film laminate, the adhesive layer is formed of an adhesive containing an epoxy resin, a curing agent having an amino group, and either a silane coupling agent having an epoxy group or a silane coupling agent having an amino group and two hydrolyzable functional groups.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: February 22, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Ryo Shoda, Fumitake Suzuki, Koji Murata, Masato Kurokawa, Kengo Ozono
  • Publication number: 20210249568
    Abstract: A production method for a wavelength conversion sheet, including: a bonding step of bonding a multilayer film and a release film together to obtain a phosphor protective film, the multilayer film including a barrier film, the release film being releasable from the multilayer film; a phosphor layer formation step of forming a phosphor layer containing phosphors on a surface of the multilayer film of the phosphor protective film to obtain a wavelength conversion sheet with the release film; and a release step of releasing the release film from the wavelength conversion sheet with the release film.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 12, 2021
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Hiroki ICHIBA, Satoshi MARUYAMA, Masato KUROKAWA, Yasuhiko SAITO
  • Publication number: 20200230915
    Abstract: A phosphor protection film that includes two films that are bonded to each other via an adhesive layer. One of the two films is a film including an inorganic film layer. In the phosphor protection film, when the film including the inorganic film layer of the two films is a barrier film and the other film of the two films is a support film, the support film has a thickness occupying 72% or more of the total thickness of the phosphor protection film.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 23, 2020
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventor: Masato KUROKAWA
  • Patent number: 10557970
    Abstract: A quantum dot protective film for sealing a phosphor, including: a protective layer having foreign matter, the maximum size of which is 100 to 500 ?m; and a coating layer formed on one surface of the protective layer, wherein the abundance ratio of the foreign matter with the maximum size of 100 to 500 ?m is 0.01 to 5.0 particles/m2 in the protective layer, and the haze value is 20% or higher.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 11, 2020
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Koji Murata, Kenji Matsumasa, Kengo Okamura, Satoshi Iwata, Masato Kurokawa
  • Publication number: 20190285776
    Abstract: An optical film including a first film substrate and a coating layer formed on the first film substrate. The coating layer of this optical film contains a binder resin and fine particles with an average size of 0.5 ?m or more and 10.0 ?m or less and a standard deviation in size that is less than ½ of the average size.
    Type: Application
    Filed: May 31, 2019
    Publication date: September 19, 2019
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Hiroki ICHIBA, Masato KUROKAWA, Koji MURATA, Kengo OZONO
  • Publication number: 20190039349
    Abstract: The present invention provides a barrier film laminate including a first barrier film that includes a first substrate layer and a first barrier layer formed on the first substrate layer, a second barrier film that includes a second substrate layer and a second barrier layer formed on the substrate layer, and an adhesive layer. In the barrier film laminate, the first barrier film is bonded with the second barrier film so that the first barrier layer faces the second barrier layer with the adhesive layer interposed therebetween. In one embodiment of the barrier film laminate, the adhesive layer is formed of an adhesive containing an epoxy resin, a curing agent having an amino group, and either a silane coupling agent having an epoxy group or a silane coupling agent having an amino group and two hydrolyzable functional groups.
    Type: Application
    Filed: October 10, 2018
    Publication date: February 7, 2019
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Ryo SHODA, Fumitake SUZUKI, Koji MURATA, Masato KUROKAWA, Kengo OZONO
  • Publication number: 20180024277
    Abstract: A quantum dot protective film for sealing a phosphor, including: a protective layer having foreign matter, the maximum size of which is 100 to 500 ?m; and a coating layer formed on one surface of the protective layer, wherein the abundance ratio of the foreign matter with the maximum size of 100 to 500 ?m is 0.01 to 5.0 particles/m2 in the protective layer, and the haze value is 20% or higher.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 25, 2018
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Koji Murata, Kenji Matsumasa, Kengo Okamura, Satoshi Iwata, Masato Kurokawa
  • Patent number: 8221969
    Abstract: It is intended to provide a safe and efficient method of producing a virus which is free from animal-origin components in the whole process from culturing adhesive cells to producing the virus on an industrial scale by the cell culture. Namely, a method of producing a virus comprising: adhering adhesive cells to a support which has a polypeptide (P) having at least one cell-adhesive minimum amino acid sequence (X) per molecule, and is free from animal-origin components; culturing the adhesive cells in a medium free from animal-origin components; subculturing the cultured adhesive cells using a cell dispersing agent: free from animal-origin components; and then inoculating and proliferating a virus in the cells obtained by culturing the adhesive cells.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: July 17, 2012
    Assignees: Sanyo Chemical Industries, Ltd., Denka Seiken Co. Ltd.
    Inventors: Hikaru Kai, Masayuki Tsubaki, Masato Kurokawa
  • Patent number: 8148111
    Abstract: A carrier for cell culture is provided which improves the cell proliferativity in serum-free culture and which is free from risk from infection factor contamination. The gist of the features of the present invention is to be formed of a crosslinked poly(meth)acrylic acid (salt) particle (A) and an artificial polypeptide (P) having at least one cell-adhesive minimal amino acid sequence (X) in one molecule and to have a water retention value of from 2 to 50 g/g. The (A) is preferably a particle produced by reversed phase suspension polymerization of an aqueous monomer solution containing (meth)acrylic acid and/or an alkali metal salt of (meth)acrylic acid. The (P) preferably has at least one auxiliary amino acid sequence (Y) in one molecule of the (P). The (X) is preferably an Arg Gly Asp sequence.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: April 3, 2012
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Masato Kurokawa, Kazuhiro Takahashi
  • Patent number: 7748051
    Abstract: Method and system for embedding a unique and different digital watermark in digital contents for each access without increasing the overhear or load at the contents server. The contents server has a digital watermark-embedded contents storage unit for storing a plurality of digital contents where a different digital watermark is embedded, and a fingerprint performing unit for, adding to the digital contents the information specified using a bit row that is formed by a digital watermark being embedded for each part of the digital contents.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: June 29, 2010
    Assignee: International Business Machines Corporation
    Inventors: Norishige Morimoto, Kohichi Kamijoh, Seiji Kobayashi, Masato Kurokawa
  • Patent number: 7576051
    Abstract: The present invention provides a wound dressing capable of accelerating epidermal regeneration. The present invention relates to a wound dressing for accelerating epidermal regeneration which comprises a polypeptide (P) having at least one species of epidermal regeneration-accelerating minimal amino acid sequences (X) selected from the group consisting of the Arg Gly Asp sequence (1), the Ile Lys Val Ala Val sequence (2), and the Tyr Ile Gly Ser Arg sequence (3) and an auxiliary amino acid sequence (Y), a polyalkylenepolyamine and/or polyarylenepolyamine (A) having a weight average molecular weight of 2,000 to 60,000, and a sheet (S).
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: August 18, 2009
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Masato Kurokawa, Hiroaki Nakamura