Patents by Inventor Toshihide Yoshitani

Toshihide Yoshitani 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: 20230190992
    Abstract: The hemostatic material composition contains a polysaccharide having a reactive group that reacts with a protein to form a crosslinking structure, a hydrophobic solvent, and a crosslinked particle containing one or more compounds selected from the group consisting of a crosslinked protein and a crosslinked polysaccharide.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 22, 2023
    Inventors: Mamoru KURAMOTO, Toshihide YOSHITANI
  • Publication number: 20230190994
    Abstract: The hemostatic material composition contains a polysaccharide having a reactive group that reacts with a protein to form a crosslinking structure and contains a hydrophobic solvent.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 22, 2023
    Inventors: Mamoru KURAMOTO, Toshihide YOSHITANI
  • Patent number: 11610576
    Abstract: Provided are a resin material for an acoustic lens including a resin (a) containing at least one of an epoxy group, a carbon-carbon double bond group, a methylol group, or a phenolic hydroxyl group; and a resin (b) containing a structural unit having a polysiloxane bond, and an acoustic lens, an acoustic wave probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, a photoacoustic wave measurement apparatus, and an ultrasound endoscope in which the resin material is used.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: March 21, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Yuzo Nagata, Yoshihiro Nakai, Toshihide Yoshitani, Shigeki Uehira
  • Publication number: 20230050406
    Abstract: Provided is a film and a water stopping tape that realize long-lasting water stopping properties. The film includes an outermost layer containing a water-absorbent polymer having a water absorbency of 5 g/g to 100 g/g that is represented by a ratio of a mass of a sample having been immersed in water for 3 hours to a mass of the sample not yet being immersed in water a permeable layer, and a substrate layer in this order, and the water stopping tape includes the film.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 16, 2023
    Inventors: Haruki TOMIKAWA, Toshihide YOSHITANI, Kyohisa UCHIUMI, Ren ISHIKAWA
  • Publication number: 20230039137
    Abstract: Provided are a film and a water stopping tape that realize long-lasting water stopping properties. The film includes an outermost layer that contains a water-absorbent polymer and a fiber assembly and a substrate layer in this order, in which a degree of out-of-plane swelling of the outermost layer is higher than a degree of in-plane swelling of the outermost layer, and the water stopping tape includes the film.
    Type: Application
    Filed: July 28, 2022
    Publication date: February 9, 2023
    Inventors: Haruki TOMIKAWA, Toshihide YOSHITANI, Kyohisa UCHIUMI, Ren ISHIKAWA
  • Publication number: 20220365056
    Abstract: The present invention provides a biological mucous membrane model having high reproducibility of the evaluation result of the retention that is obtained in a case where a mucous membrane protective agent is applied to the mucous membrane of the living body, in a case where the mucous membrane protective agent such as an oral mucous membrane protective agent is applied; and a method of evaluating retention of a mucous membrane protective agent. The biological mucous membrane model according to the embodiment of the present invention has a hydrogel layer, a lipid-containing layer containing a lipid, which is disposed on the hydrogel layer and has through-holes along in a thickness direction, and a hydrophilic polymer layer disposed on the lipid-containing layer in this order.
    Type: Application
    Filed: July 15, 2022
    Publication date: November 17, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Haruki TOMIKAWA, Toshihide YOSHITANI
  • Patent number: 11490789
    Abstract: Provided are an adhesive for an endoscope, a cured product thereof, an endoscope produced using the adhesive for an endoscope, and a method for producing the endoscope. The adhesive for an endoscope is a two-component adhesive for an endoscope. The two-component adhesive has a base and a curing agent. The base includes at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. The curing agent includes at least one specific polyamine compound (B). The adhesive for an endoscope is used to fix at least one of a metal member or a glass member constituting the endoscope.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: November 8, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Kazushi Furukawa, Toshihide Yoshitani, Yoshihiro Nakai
  • Patent number: 11452795
    Abstract: Provided are a medical lubricating member including a silicone base material, and a lubricating coated film which is laminated on at least one surface of the silicone base material, in which the silicone base material contains a reactive functional group in the surface on which the lubricating coated film is laminated, and the lubricating coated film is a film formed of a composition containing a hydrophilic polymer and polyisocyanate; a medical device using the medical lubricating member; and a method of producing the medical lubricating member.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: September 27, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Toshihide Yoshitani, Nobuharu Takahashi
  • Publication number: 20220195103
    Abstract: The present invention provides a polymer capable of forming a cured substance showing high adhesiveness with respect to a wet adherend, a curable composition, and a cured substance. The polymer according to an embodiment of the present invention has a repeating unit represented by Formula (1). R represents an acryloyloxy group, a methacryloyloxy group, an acrylamide group, or a methacrylamide group. L represents an (n+1)-valent linking group. n represents an integer of 1 or more. p1 represents an integer of 1 or more.
    Type: Application
    Filed: March 9, 2022
    Publication date: June 23, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Hirohisa HOKAZONO, Toshihide YOSHITANI
  • Publication number: 20210298564
    Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible tube base containing metal as a constituent material, a resin cover layer that covers an outer periphery of the flexible tube base, and a primer layer that includes a specific silane coupling agent and that is disposed between the flexible tube base and the resin cover layer, in which the resin cover layer includes at least one compound selected from the group consisting of polyamides, polyesters, polyurethanes, and polyolefins at least on a side of the resin cover layer in contact with the primer layer, an endoscopic medical device including the flexible tube for an endoscope, a method for producing the flexible tube for an endoscope, and a method for producing the endoscopic medical device.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 30, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiro NAKAI, Toshihide YOSHITANI, Shinya ABE, Kazuma HORITA, Takeshi SENGA
  • Publication number: 20210290034
    Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible tube base made of metal, a resin cover layer that covers an outer periphery of the flexible tube base, and a primer layer that includes a silane coupling agent with a specific structure having an amino group and that is disposed between the flexible tube base and the resin cover layer, in which the resin cover layer includes at least one compound selected from the group consisting of polyamides, polyesters, and polyolefins on a side of the resin cover layer in contact with the primer layer, an endoscopic medical device including the flexible tube for an endoscope, a method for producing the flexible tube for an endoscope, and a method for producing the endoscopic medical device.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 23, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiro NAKAI, Toshihide YOSHITANI, Shinya ABE, Kazuma HORITA, Takeshi SENGA
  • Patent number: 11072707
    Abstract: Provided are a resin material for an acoustic wave probe which contains a polymer formed of at least one of a structural unit (a) having a specific polysiloxane bond or a structural unit (b) having a specific partial structure, in which the structural unit (b) having the specific partial structure is an acryloyloxy structural unit (b1), an acrylamide structural unit (b2), or a styrene structural unit (b3); an acoustic lens; an acoustic wave probe; an acoustic wave measurement apparatus; an ultrasound diagnostic apparatus; a photoacoustic wave measurement apparatus; and an ultrasound endoscope.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: July 27, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yuzo Nagata, Yoshihiro Nakai, Toshihide Yoshitani, Shigeki Uehira, Atsushi Osawa
  • Patent number: 10973392
    Abstract: Provided are an adhesive for an endoscope, a cured product, an endoscope, and a method for producing an endoscope. The adhesive for an endoscope is a two-component adhesive for an endoscope. The two-component adhesive has a base and a curing agent. The base includes at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. The curing agent includes a tertiary amine compound (B). The tertiary amine compound (B) accounts for 60 mass % or more of a curing component included in the curing agent.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: April 13, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Kazushi Furukawa, Toshihide Yoshitani, Yoshihiro Nakai
  • Publication number: 20200187755
    Abstract: Provided are an adhesive for an endoscope, a cured product, an endoscope, and a method for producing an endoscope. The adhesive for an endoscope is a two-component adhesive for an endoscope. The two-component adhesive has a base and a curing agent. The base includes at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. The curing agent includes a tertiary amine compound (B). The tertiary amine compound (B) accounts for 60 mass % or more of a curing component included in the curing agent.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazushi FURUKAWA, Toshihide YOSHITANI, Yoshihiro NAKAI
  • Publication number: 20200187754
    Abstract: Provided are an adhesive for an endoscope, a cured product thereof, an endoscope produced using the adhesive for an endoscope, and a method for producing the endoscope. The adhesive for an endoscope is a two-component adhesive for an endoscope. The two-component adhesive has a base and a curing agent. The base includes at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. The curing agent includes at least one specific polyamine compound (B). The adhesive for an endoscope is used to fix at least one of a metal member or a glass member constituting the endoscope.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kazushi FURUKAWA, Toshihide YOSHITANI, Yoshihiro NAKAI
  • Publication number: 20200100652
    Abstract: A flexible tube for an endoscope, the flexible tube having a flexible tube base made of metal, a resin cover layer that covers an outer periphery of the flexible tube base, and a primer layer that includes a compound represented by formula (1) and that is disposed between the flexible tube base and the resin cover layer, in which the resin cover layer includes a polyurethane elastomer on a side in contact with the primer layer. X1 and X2 each represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group, an acyl group, an alkoxycarbonyl group, or a carbamoyl group, Y1 represents a hydroxy group or an alkoxy group, and Y2 and Y3 each represent a hydroxy group, an alkoxy group, or an alkyl group. L represents a single bond or a specific divalent group.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 2, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Toshihide YOSHITANI, Shinya ABE, Yoshihiro NAKAI
  • Publication number: 20190380680
    Abstract: Provided are a resin material for an acoustic lens including a resin (a) containing at least one of an epoxy group, a carbon-carbon double bond group, a methylol group, or a phenolic hydroxyl group; and a resin (b) containing a structural unit having a polysiloxane bond, and an acoustic lens, an acoustic wave probe, an acoustic wave measurement apparatus, an ultrasound diagnostic apparatus, a photoacoustic wave measurement apparatus, and an ultrasound endoscope in which the resin material is used.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yuzo Nagata, Yoshihiro Nakai, Toshihide Yoshitani, Shigeki Uehira
  • Publication number: 20190328932
    Abstract: Provided are a medical lubricating member including a silicone base material, and a lubricating coated film which is laminated on at least one surface of the silicone base material, in which the silicone base material contains a reactive functional group in the surface on which the lubricating coated film is laminated, and the lubricating coated film is a film formed of a composition containing a hydrophilic polymer and polyisocyanate; a medical device using the medical lubricating member; and a method of producing the medical lubricating member.
    Type: Application
    Filed: July 9, 2019
    Publication date: October 31, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Toshihide YOSHITANI, Nobuharu TAKAHASHI
  • Publication number: 20190218394
    Abstract: Provided are a resin material for an acoustic wave probe which contains a polymer formed of at least one of a structural unit (a) having a specific polysiloxane bond or a structural unit (b) having a specific partial structure, in which the structural unit (b) having the specific partial structure is an acryloyloxy structural unit (b1), an acrylamide structural unit (b2), or a styrene structural unit (b3); an acoustic lens; an acoustic wave probe; an acoustic wave measurement apparatus; an ultrasound diagnostic apparatus; a photoacoustic wave measurement apparatus; and an ultrasound endoscope.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 18, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yuzo NAGATA, Yoshihiro Nakai, Toshihide Yoshitani, Shigeki Uehira, Atsushi Osawa
  • Publication number: 20190017046
    Abstract: Objects of the present invention are to provide a preparation, which satisfies both a sufficient drug carrying amount and a preferred decomposition rate, and a method for manufacturing the preparation and to provide a member for a preparation used in the preparation of the present invention described above and a method for manufacturing the member. According to the present invention, there are provided a preparation containing a crosslinked substance of an anionic polypeptide and a cationic, polypeptide and a cationic drug; a method for manufacturing the preparation including a freezing step, a drying step, a crosslinking step, and a drug adding step; a member for a preparation formed of a crosslinked substance of an anionic polypeptide and a cationic polypeptide; and a method for manufacturing the member for a preparation.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 17, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hayato MIYOSHI, Toshihide YOSHITANI, Tadanori YAMADA