公开(公告)号：US20210106210A1

公开(公告)日：2021-04-15

申请号：US17110758

申请日：2020-12-03

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Kazushi FURUKAWA

IPC: A61B1/00 ,  C08K5/17 ,  C09J163/04 ,  C08K5/1515 ,  A61B1/005

Abstract: Provided are an adhesive for an endoscope, a cured product of the adhesive for an endoscope, an endoscope produced using the adhesive for an endoscope, and a method for producing an endoscope. The adhesive for an endoscope 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, a polyamine compound (B), and a specific compound (C) having an epoxy group.

公开(公告)号：US20190153231A1

公开(公告)日：2019-05-23

申请号：US16252009

申请日：2019-01-18

Applicant: FUJIFILM Corporation

Inventor： Shinya HAYASHI ,  Yoshiaki NAGATA ,  Kazufumi OMURA ,  Kazushi FURUKAWA ,  Keiichi TATEISHI

IPC: C09B67/46 ,  C09B35/03 ,  C09B33/12 ,  C09D11/322

Abstract: Provided are a pigment dispersion liquid including a pigment, a polymer dispersant, and water, in which the pigment is a pigment including a compound represented by General Formula (1) as described in the specification, a tautomer thereof, or a salt of the compound or the tautomer, and the polymer dispersant includes a polymer compound having a repeating unit represented by General Formula (2-1) and a repeating unit represented by General Formula (2-2) as described in the specification, and having a structure represented by General Formula (3) introduced into at least one terminal of the main chain; and an inkjet ink including this pigment dispersion liquid. In General Formula (3), L represents a linking group; R4 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and the symbol * represents a linking bond.

公开(公告)号：US20240153479A1

公开(公告)日：2024-05-09

申请号：US18396935

申请日：2023-12-27

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro NAKAI

IPC: G10K11/02 ,  B06B1/06 ,  C08K3/08 ,  C08K5/18

CPC classification number: G10K11/02 ,  B06B1/067 ,  C08K3/08 ,  C08K5/18

Abstract: Provided are an acoustic matching layer material containing an epoxy resin (A) component having an epoxy equivalent weight of 140 or less and metal particles (B) having a density of 10 g/cm3 or more at 20° C., in which a content of particles (C) having a density of less than 4.5 g/cm3 at 20° C. is less than 5% by mass; an acoustic matching sheet; a composition for an acoustic matching layer material; an acoustic wave probe; an acoustic wave measurement apparatus; and a manufacturing method of an acoustic wave probe.

公开(公告)号：US20230303789A1

公开(公告)日：2023-09-28

申请号：US18325120

申请日：2023-05-30

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Kazushi FURUKAWA

IPC: C08J7/04 ,  C08J7/043 ,  C08J9/36

CPC classification number: C08J7/0423 ,  C08J7/043 ,  C08J9/365 ,  C08J2300/22 ,  C08J2363/00

Abstract: Provided is a laminate having high sterilization resistance and suitable as a medical device constituent component and a medical device including the laminate. The laminate has a substrate, an interlayer on the substrate, and a polymer coating layer on the interlayer. The interlayer has a porous layer including a siloxane compound, and the siloxane compound has at least one of a constituent component derived from a compound bearing a reactive functional group and a hydrolyzable group or a constituent component derived from a compound bearing a hydrolyzable group having a reactive functional group.

公开(公告)号：US20210371714A1

公开(公告)日：2021-12-02

申请号：US17403967

申请日：2021-08-17

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro Nakai

IPC: C09J163/00 ,  C08G59/50 ,  A61B1/00 ,  C08G59/06

Abstract: An adhesive for an endoscope, the adhesive including an epoxy resin including at least one of bisphenol A epoxy resin, bisphenol F epoxy resin, or phenol novolac epoxy resin, a curing component, and a rubber component; a cured product of the adhesive; an endoscope including the cured product fixed; and a method for producing the endoscope. Note that adhesives in which the rubber component is acrylic rubber are excluded.

公开(公告)号：US20230203353A1

公开(公告)日：2023-06-29

申请号：US18169330

申请日：2023-02-15

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro NAKAI

IPC: C09J163/00 ,  A61B1/00 ,  C09J11/06

CPC classification number: C09J163/00 ,  A61B1/0011 ,  A61B1/00128 ,  C09J11/06

Abstract: An object of the present invention to provide an adhesive for an endoscope and a cured product of the adhesive, and an endoscope and a method for producing the endoscope. The adhesive is able to maintain sufficient adhesive strength even when exposed to high temperature for a long time in a state of being used for fixation of a member or subjected to powerful sterilization treatment with ozone water or the like and is suitable for use in fixing a member constituting the endoscope. The adhesive for an endoscope includes an epoxy resin, an epoxy resin curing component, and a radical scavenger.

公开(公告)号：US20230133400A1

公开(公告)日：2023-05-04

申请号：US18147277

申请日：2022-12-28

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Kazushi FURUKAWA

IPC: A61L29/08

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible-tube base that is flexible and tubular and a polyester elastomer layer that covers the flexible-tube base and has a naphthalene structure in a soft segment, an endoscopic medical device having the flexible tube for an endoscope, a method for producing a covering material constituting the flexible tube for an endoscope, and a method for producing the flexible tube for an endoscope.

公开(公告)号：US20210189203A1

公开(公告)日：2021-06-24

申请号：US17144393

申请日：2021-01-08

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro NAKAI

IPC: C09J163/04 ,  C09J11/06 ,  A61B1/00

Abstract: Provided are an adhesive for an endoscope and a cured product thereof. The adhesive for an endoscope includes an epoxy resin including at least one of a bisphenol A epoxy resin, a bisphenol F epoxy resin, or a phenol novolac epoxy resin, a polyamine compound, and an alcohol compound. Also provided are an endoscope in which the cured product is fixed and a method for producing the endoscope.

公开(公告)号：US20230157720A1

公开(公告)日：2023-05-25

申请号：US18147380

申请日：2022-12-28

Applicant: FUJIFILM Corporation

Inventor： Kazushi FURUKAWA ,  Yoshihiro NAKAI

IPC: A61B17/34 ,  A61B1/00

CPC classification number: A61B17/3417 ,  A61B1/00002 ,  A61B1/00064

Abstract: An endoscopic flexible tube including a flexible-tube base containing metal as a constituent material, and a cover layer covering an outer periphery of the flexible-tube base, wherein the cover layer includes a polyester having a naphthalene structure and a component having an action of inhibiting a reaction of an active species such as a radical, an endoscopic medical apparatus including the endoscopic flexible tube, and a covering material for the endoscopic flexible-tube base.

公开(公告)号：US20230135925A1

公开(公告)日：2023-05-04

申请号：US18147302

申请日：2022-12-28

Applicant: FUJIFILM Corporation

Inventor： Yoshihiro NAKAI ,  Kazushi FURUKAWA

IPC: A61L29/06 ,  A61L29/02

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible-tube base containing metal as a constituent material, a cover layer covering an outer periphery of the flexible-tube base, and a primer layer disposed between the flexible-tube base and the cover layer and including at least one of a specific silane coupling agent, an aluminum alkoxide compound, a zirconium alkoxide compound, or a titanium alkoxide compound, in which the cover layer includes, at least on a side in contact with the primer layer, a polyester having a naphthalene structure, an endoscopic medical device using the flexible tube, a method for producing the flexible tube for an endoscope, and a method for producing the endoscopic medical device.