Patents Assigned to Dexerials Corporation
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Publication number: 20230287246Abstract: A method for manufacturing a joined body includes subjecting a first electronic component and a second electronic component to thermocompression bonding with a hot-melt adhesive sheet interposed therebetween. The hot-melt adhesive sheet includes a binder and electroconductive particles. The binder includes a crystalline polyamide resin and a crystalline polyester resin. When a melt viscosity of the hot-melt adhesive sheet is measured under a condition of a heating rate of 5° C./min. the hot-melt adhesive sheet has a ratio of a melt viscosity at 20° C. lower than a thermocompression bonding temperature to a melt viscosity at the thermocompression bonding temperature of 10 or higher.Type: ApplicationFiled: June 3, 2021Publication date: September 14, 2023Applicant: DEXERIALS CORPORATIONInventors: Hiroyuki KUMAKURA, Tomoyuki ABE
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Publication number: 20230290601Abstract: A fuse element includes: a low-melting-point metal layer; a high-melting-point metal layer provided over at least one surface of the low-melting-point metal layer; and an intermediate layer disposed between the low-melting-point metal layer and the high-melting-point metal layer. Each of the high-melting-point metal layer and the intermediate layer is made of a metal that is liquefied by contacting a molten form of the low-melting-point metal layer. The high-melting point metal layer is made of silver or an alloy comprising silver as a main component thereof. A melting point of a material constituting the intermediate layer is higher than a melting point of a material constituting the low-melting-point metal layer and lower than a melting point of a material constituting the high-melting-point metal layer.Type: ApplicationFiled: August 17, 2021Publication date: September 14, 2023Applicant: DEXERIALS CORPORATIONInventor: Yoshihiro YONEDA
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Patent number: 11754766Abstract: Provided is a polarizing element having a wire grid structure, including: a transparent substrate; and grid-shaped convex portions arranged on the transparent substrate at a pitch shorter than a wavelength of light in a use band and extending in a predetermined direction, wherein the grid-shaped convex portion includes a first absorption layer, a first dielectric layer, a reflection layer, a second dielectric layer, and a second absorption layer in order from the transparent substrate side. Further, an optical device including the polarizing plate is provided.Type: GrantFiled: November 4, 2020Date of Patent: September 12, 2023Assignee: Dexerials CorporationInventor: Tomu Takeda
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Publication number: 20230282387Abstract: A conductive layered product includes: a transparent substrate; a first metal oxide layer; a metal layer; and a second metal oxide layer. The first metal oxide layer, the metal layer, and the second layer are layered directly or indirectly on a surface of the transparent substrate in this order from a transparent substrate side. An arithmetic mean roughness of an interface of the first metal oxide layer on the transparent substrate side is 2.0 nm or less. The interface of the first metal oxide layer on the transparent substrate side preferably contacts the surface of the transparent substrate. The conductive layered product preferably further includes a resin layer between the transparent substrate and the first metal oxide layer, and the interface of the first metal oxide layer on the transparent substrate side contacts a surface of the resin layer.Type: ApplicationFiled: August 18, 2021Publication date: September 7, 2023Applicant: DEXERIALS CORPORATIONInventors: Keisuke SHIOTA, Yukihiro ONO, Kaori TEZUKA, Hitoshi WAKO
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Patent number: 11749482Abstract: A protection element includes a first electrode (1), a second electrode (2) having a spring property, and a fuse element material (3) that is disposed between the first electrode and the second electrode, in which the fuse element material (3) is supported by being interposed between the first electrode (1) and the second electrode (2) in a bent state.Type: GrantFiled: November 6, 2019Date of Patent: September 5, 2023Assignee: DEXERIALS CORPORATIONInventor: Yoshihiro Yoneda
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Patent number: 11742258Abstract: A thermally conductive sheet having a binder resin, a first thermally conductive filler, and a second thermally conductive filler, wherein the first thermally conductive filler and the second thermally conductive filler are dispersed in the binder resin, and the specific permittivity and the thermal conductivity are different in the thickness direction B and the surface direction A of the thermally conductive sheet. A thermally conductive sheet includes step A of preparing a resin composition for forming a thermally conductive sheet by dispersing a first thermally conductive filler and a second thermally conductive filler in a binder resin, step B of forming a molded block from the resin composition for forming a thermally conductive sheet, and step C of slicing the molded block into a sheet and obtaining a thermally conductive sheet having different relative permittivity and thermal conductivity in the thickness direction and the surface direction.Type: GrantFiled: April 23, 2021Date of Patent: August 29, 2023Assignee: DEXERIALS CORPORATIONInventors: Yuma Sato, Keisuke Aramaki, Yusuke Kubo
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Patent number: 11738548Abstract: According to a method of manufacturing an image display device of the present invention, a photo-curable resin composition in a liquid state is applied to a surface of a light-transmitting cover member including a light-shielding layer or a surface of the image display member to a thickness greater than that of the light-shielding layer. Then, in this state, the photo-curable resin composition is irradiated with a UV ray to be pre-cured, thereby forming a pre-cured resin layer. Next, the image display member and the light-transmitting cover member are stacked via the pre-cured resin layer and thereafter, the pre-cured resin layer is irradiated with a UV ray to be completely cured, thereby forming a light-transmitting cured resin layer.Type: GrantFiled: October 23, 2020Date of Patent: August 29, 2023Assignee: DEXERIALS CORPORATIONInventors: Kouichi Ogawa, Yoshihisa Shinya, Naoki Hayashi, Tomoyuki Toyoda
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Patent number: 11740501Abstract: A thin image display device is provided which is free from display defects caused by the deformation of an image display part and can display high brightness and high contrast images. The image display device includes an image display part, a light-transmitting protective part arranged on the image display part, and a cured resin layer interposed between the image display part and the protective part. The cured resin layer has a light transmittance in the visible region of 90% or more and a refractive index (nD) of 1.45 or more and 1.55 or less.Type: GrantFiled: December 16, 2021Date of Patent: August 29, 2023Assignee: DEXERIALS CORPORATIONInventors: Yoshihisa Shinya, Yusuke Kamata
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Patent number: 11732105Abstract: A filler disposition film that can use a commercially procurable filler material having good particle diameter uniformity, enables high positional precision of the filler disposition, can support even an increase in the surface area, and has a prescribed filler regularly disposed in a long resin film. Moreover, the rate of consistency of disposition of the filler in the filler disposition film in rectangular areas of a prescribed size having a length of 1000 times or more the average particle diameter of the prescribed filler, and a width of 0.2 mm or greater is 90% or greater. Such a rectangular area has a long-side direction that is substantially parallel to the long-side direction of the filler disposition film, and a widthwise direction that is substantially parallel to a short-side direction of the filler disposition film. The average particle diameter of the regularly disposed filler is from 0.4 ?m to 100 ?m.Type: GrantFiled: October 28, 2021Date of Patent: August 22, 2023Assignee: DEXERIALS CORPORATIONInventors: Yasushi Akutsu, Reiji Tsukao
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Patent number: 11726237Abstract: To provide a light diffuser plate that can control an anisotropic shape of diffused light. The light diffuser plate includes a base material, and a group structure including a plurality of convexities or concavities provided on at least one main surface of the base material and having anisotropic shapes extended in a common direction. The plurality of convexities or concavities are arranged randomly and densely on the main surface of the base material. A boundary between adjacent ones of the plurality of convexities or concavities includes a plurality of curved lines having curvatures different from each other.Type: GrantFiled: September 19, 2019Date of Patent: August 15, 2023Assignee: DEXERIALS CORPORATIONInventors: Mitsuo Arima, Masayuki Ishiwata
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Publication number: 20230242423Abstract: Provided are an extract, which is a fractionated component 1 of a water extract of a plant powder, wherein the fractionated component 1 is a fractionated component having a fractionation molecular weight of 12,000 or greater, wherein an ethanol-undissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in a Fourier transform infrared spectroscopy (FT-IR) measurement and exhibits a peak attributable to cellulose in a gas chromatography mass spectrometry (GC-MS) measurement, and wherein an ethanol-dissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in the FT-IR measurement and exhibits a peak attributable to a plant protein in the GC-MS measurement, and a water-purifying agent containing the extract.Type: ApplicationFiled: March 2, 2023Publication date: August 3, 2023Applicant: Dexerials CorporationInventors: Takanori FUJITA, Ryu Shimada, Masahiko Ito, Masato Hasegawa
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Patent number: 11710716Abstract: An anisotropic conductive film has a three-layer structure in which a first connection layer is sandwiched between a second connection layer and a third connection layer that each are formed mainly of an insulating resin. The first connection layer has a structure in which conductive particles are arranged in a single layer in the plane direction of an insulating resin layer on a side of the second connection layer, and the thickness of the insulating resin layer in central regions between adjacent ones of the conductive particles is smaller than that of the insulating resin layer in regions in proximity to the conductive particles.Type: GrantFiled: May 6, 2022Date of Patent: July 25, 2023Assignee: DEXERIALS CORPORATIONInventor: Seiichiro Shinohara
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Publication number: 20230228913Abstract: This optical laminate includes a transparent substrate; an adhesion layer provided on at least one surface of the transparent substrate; and an optical layer provided on a surface of the adhesion layer on a side opposite to the transparent substrate, wherein the adhesion layer is formed of a metal material, and the metal material has a melting point in a range of 100° C. or more and 700° C. or less.Type: ApplicationFiled: November 26, 2021Publication date: July 20, 2023Applicant: DEXERIALS CORPORATIONInventors: Hitoshi WAKO, Izumi KIDA
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Publication number: 20230228915Abstract: Visibility of an optical film at the time of handling can be improved, and an antireflection region and a visible region can be easily formed on a surface of the optical film in an identical processing step. An optical film 1 includes a base material 11 having flexibility and a resin layer 12 laminated on at least one of surfaces of the base material 11. The resin layer 12 includes a concave-convex pattern region 2 in which a micro concave-convex structure 20 composed of a plurality of convexities 21 or concavities 22 arrayed at a pitch P less than or equal to a wavelength of visible light are formed and a strip-shaped line marker region 3 in which a plurality of ridge portions 31 arrayed at intervals from one another at a track pitch Pt more than or equal to the wavelength of visible light are formed.Type: ApplicationFiled: September 29, 2021Publication date: July 20, 2023Applicant: DEXERIALS CORPORATIONInventor: Yutaka MURAMOTO
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Patent number: 11701195Abstract: There is provided a new and improved optical film, connecting member, endoscope camera drape, endoscope device, medical system, optical film production method, and connecting member production method capable of suppressing quality degradation of a captured image while also protecting the endoscope camera from airborne droplets, the optical film provided on the endoscope camera drape including: a drape section that covers a circumferential face of an endoscope camera, and a connecting member which is provided on a front end of the drape section and connects an endoscope and the endoscope camera, the optical film being provided on the connecting member, and including: a reflection suppression section configured to suppress a reflection of incident light incident on the endoscope camera from the endoscope.Type: GrantFiled: October 13, 2016Date of Patent: July 18, 2023Assignee: DEXERIALS CORPORATIONInventors: Yukihisa Baba, Masanori Takeuchi
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Patent number: 11694988Abstract: An anisotropic conductive film in which conductive particles are disposed in an insulating resin layer has a particle disposition of the conductive particles such that a first orthorhombic lattice region being formed by arranging a plurality of arrangement axes of the conductive particles, disposed in an a direction at a predetermined pitch, in a b direction inclined with respect to the a direction at an angle, and a second orthorhombic lattice region being formed by arranging a plurality of arrangement axes of the conductive particles, disposed in the a direction at a predetermined pitch, in a c direction obtained by inverting the b direction with respect to the a direction are repeatedly disposed.Type: GrantFiled: August 7, 2019Date of Patent: July 4, 2023Assignee: DEXERIALS CORPORATIONInventors: Reiji Tsukao, Masaki Taniguchi
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Patent number: 11693156Abstract: There is provided a novel, improved optical body, the micro concave-convex structure of which can be protected without the use of a protective film, a film adhesive body, and a method for manufacturing an optical body, the optical body including: an optical film, on one surface of which is formed a first micro concave-convex structure in which an average cycle of concavities and convexities is less than or equal to a visible light wavelength; and a master film that covers the first micro concave-convex structure. The master film is provided with a second micro concave-convex structure formed on a surface that faces the first micro concave-convex structure, the second micro concave-convex structure is made of a cured curing resin, and has a reverse shape of the first micro concave-convex structure, and the optical film and the master film are separable from each other.Type: GrantFiled: June 18, 2015Date of Patent: July 4, 2023Assignee: DEXERIALS CORPORATIONInventor: Shunichi Kajiya
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Patent number: 11693157Abstract: Provided is a fine concave-convex laminate that is reduced in thickness, has excellent antireflection performance, and can suppress scattering and absorption of short-wavelength light. A fine concave-convex laminate comprises a substrate, a first transparent organic layer, and a second transparent organic layer laminated in the stated order, wherein the first transparent organic layer has a fine concave-convex structure at a surface facing the second transparent organic layer, the second transparent organic layer has fine concave-convex structures at both surfaces, and a thickness of a composite layer composed of the first transparent organic layer and the second transparent organic layer is 15 ?m or less.Type: GrantFiled: June 29, 2018Date of Patent: July 4, 2023Assignee: Dexerials CorporationInventors: Shunichi Kajiya, Kazuya Hayashibe, Naoki Hanashima, Hiroshi Sugata
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Patent number: 11692118Abstract: A thermally conductive resin composition capable of maintaining high thermal conductivity and a thermally conductive sheet using the same, a thermally conductive resin composition contains an addition reaction type silicone resin, a thermally conductive filler, an alkoxysilane compound, and a carbodiimide compound in which a subcomponent is in an inactive state with respect to an alkoxysilane compound, and contains 55 to 85% by volume of the thermally conductive filler. A thermally conductive resin composition contains an addition reaction type silicone resin, an alkoxysilane compound, a thermally conductive filler, and a carbodiimide compound in which a subcomponent is in an inactive state with respect to the alkoxysilane compound, and exhibits thermal conductivity of 5 W/m*K or more after curing.Type: GrantFiled: May 24, 2021Date of Patent: July 4, 2023Assignee: DEXERIALS CORPORATIONInventor: Masayuki Matsushima
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Patent number: 11685137Abstract: An anisotropic conductive film which suppresses occurrence of short circuit at the time of anisotropic conductive connection, prevents reduction in capturing capability of electrically conductive particles, enables favorable pushing of electrically conductive particles and exhibits not only favorable initial conductivity but also favorable conduction reliability, contains a first electrically conductive particle group and a second electrically conductive particle group, each including a plurality of electrically conductive particles, in an insulating binder. The first electrically conductive particle group and the second electrically conductive particle group are present in a first region and a second region, respectively, which differ from each other in the thickness direction of the anisotropic conductive film and are parallel to the plane direction.Type: GrantFiled: October 6, 2016Date of Patent: June 27, 2023Assignee: DEXERIALS CORPORATIONInventors: Hiromi Kubode, Yasushi Akutsu, Reiji Tsukao