Patents Assigned to Kaneka Corporation
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Publication number: 20230405289Abstract: Disclosed is a balloon for a balloon catheter that can prevent kinking or buckling of the balloon and elongation of the balloon in the longitudinal direction. A balloon (2) for a balloon catheter has a balloon body (20); the balloon body (20) has an inflating part (20e), a distal sleeve part (25), and a proximal sleeve part (21); the distal sleeve part (25) has a fixed part (25f) fixed to the shaft (3); the balloon (2) has a reinforcing part (60) disposed on an inner surface of the distal sleeve part (25) at a part of a circumferential direction of the distal sleeve part (25); the reinforcing part (60) is located proximal to a distal end of the fixed part (25f); and the balloon (2) does not have the reinforcing part (60) on an inner surface of the proximal sleeve part (21).Type: ApplicationFiled: August 16, 2021Publication date: December 21, 2023Applicant: KANEKA CORPORATIONInventors: Masahiro KOJIMA, Masato TSUEDA, Yoshinori NAKANO, Takahisa HAMABUCHI
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Publication number: 20230404649Abstract: A puncturing device (1) comprising: a resin tube (10) having a distal end and a proximal end and extending in a longitudinal direction; a metal tube (20) disposed in a lumen of the resin tube (10); a metal core member (30) joined to a distal end portion of the metal tube (20); and a metal tip (40) joined to a distal end portion of the metal core member (30), wherein the puncturing device (1) has a flow path for a liquid, between an inner surface of the resin tube (10) and an outer surface of the metal core member (30), the flow path is in communication with a lumen of the metal tube (20), and the resin tube (10) has, in a side face thereof, an opening (11) that allows communication between the flow path and outside of the resin tube (10).Type: ApplicationFiled: October 12, 2021Publication date: December 21, 2023Applicant: KANEKA CORPORATIONInventor: Takuya KANEKO
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Publication number: 20230407036Abstract: A method for producing modified polystyrene-based resin particles from which a foamed molded product having little variation in crack resistance can be obtained is provided. The method for producing modified polystyrene-based resin particles includes a polymerization step of obtaining modified polystyrene-based resin particles by copolymerizing a styrene-based monomer and a conjugated diene-based monomer which are impregnated into polystyrene-based resin particles. The polymerization step includes adding a polymerization initiator dissolved in a solvent having an SP value in a specific range and 8 or less carbon atoms.Type: ApplicationFiled: August 30, 2023Publication date: December 21, 2023Applicant: KANEKA CORPORATIONInventors: Atsushi Iida, Kirito Suzuki, Taro Kiguchi
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Patent number: 11845820Abstract: Provided is a resin composition for use in producing a resin film by solution casting, the resin composition including a methacrylic polymer that has excellent heat resistance and that allows for a high evaporation rate of a solvent when the solvent is evaporated from a cast layer in solution casting. The resin composition for use in film production by solution casting includes a methacrylic polymer (a), and the methacrylic polymer (a) is a copolymer including a methyl methacrylate unit and at least one drying-accelerating comonomer unit and has a glass transition temperature of 110° C. or higher.Type: GrantFiled: August 26, 2020Date of Patent: December 19, 2023Assignee: KANEKA CORPORATIONInventors: Fuminobu Kitayama, Takuya Kamimura
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Publication number: 20230398335Abstract: Disclosed is a balloon for a balloon catheter that can be easily folded to facilitate insertion into and through a body cavity and prevent elongation of the balloon in the longitudinal axis direction. A balloon satisfies at least one of: (I) a distal tapered part (24) has a first part (610) having an inner protrusion part (61) and a second part (620) not having the inner protrusion part (61), and the distal tapered part (24) has an outer protrusion part (62) in the entire extent of the second part (620); and (II) a proximal tapered part (22) has a first part (610) having an inner protrusion part (61) and a second part (620) not having the inner protrusion part (61), and the proximal tapered part (22) has an outer protrusion part (62) in the entire extent of the second part (620).Type: ApplicationFiled: November 15, 2021Publication date: December 14, 2023Applicant: KANEKA CORPORATIONInventors: Masahiro KOJIMA, Yoshinori NAKANO, Masato TSUEDA, Takahisa HAMABUCHI
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Publication number: 20230390576Abstract: A light irradiation medical device comprising: a shaft having a lumen extending in the longitudinal direction; and a light guiding device that is disposed in the lumen of the shaft and is movable in the longitudinal direction. The light guiding device extends in the longitudinal direction and has a light diffusion part at a distal part of the light guiding device. The shaft has: a first window in a peripheral wall of a distal part of the shaft; and a second window at a distal end face of the shaft. The shaft has a reflection surface inside the shaft and at a distal side with respect to the first window, and reflects light emitted from the light guiding device.Type: ApplicationFiled: October 21, 2021Publication date: December 7, 2023Applicant: KANEKA CORPORATIONInventors: Hironori TAKATA, Toshihiko UTO
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Publication number: 20230382624Abstract: To simply carry out packing in a constant-temperature transport package, a constant-temperature transport container includes a housing part that is provided on an outer side of a heat insulating container. The housing part is for housing a heat storage material in at least one surface selected from the group consisting of short-side surface parts, long-side surface parts, and a bottom surface part.Type: ApplicationFiled: August 9, 2023Publication date: November 30, 2023Applicants: KANEKA CORPORATION, TAMAIKASEI CO., LTD.Inventors: Fuminobu Hirose, Risa Narahara, Yuka Sekiya, Masatada Sakai
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Publication number: 20230380532Abstract: Provided are an artificial hair fiber having a soft texture and appearance close to human hair, and being light in weight; and a head accessory including the artificial hair fiber. A polyamide fiber for artificial hair includes a resin composition that includes a polyamide resin as a primary component resin, and is a hollow fiber having a void in the cross-sectional center section, the void percentage of the polyamide fiber is 15-40%, the fiber specific gravity of the polyamide fiber is 0.80-1.10, and the bend rigidity of the polyamide fiber is 1.5×10?3 to 5.5×10?3 gf·cm2/yarn.Type: ApplicationFiled: August 14, 2023Publication date: November 30, 2023Applicant: KANEKA CORPORATIONInventors: Hitoshi SHIMAMOTO, Masaru ANAHARA
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Publication number: 20230374705Abstract: Ultraviolet blocking modacrylic fibers contain an anionic surfactant in an amount of 0.03 wt % or more. The ultraviolet protection factor (UPF) rating value of the ultraviolet blocking modacrylic fibers measured according to JIS L 1925: 2019 is UPF15 or more. Thus, ultraviolet blocking modacrylic fibers that are less likely to be discolored and have excellent ultraviolet blocking properties, an ultraviolet blocking fabric and a fiber product containing the ultraviolet blocking modacrylic fibers, and a method for manufacturing the ultraviolet blocking modacrylic fibers are provided.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Applicant: KANEKA CORPORATIONInventors: Shigeki Ohno, Keita Uchibori
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Publication number: 20230378381Abstract: Provided is a solar cell including: a semiconductor substrate having a substantially rectangular shape; and collector electrodes. The semiconductor substrate is sectioned into first, second, third, and fourth large sections by a first large sectioning line passing a center of a first side of the semiconductor substrate and substantially parallel to a second side of the semiconductor substrate and a second large sectioning line passing through a center of the second side of the semiconductor substrate and substantially parallel to the first side of the semiconductor substrate. The collector electrodes include finger electrodes. The finger electrodes provided on each of the first and third large sections extends in a first direction, and the finger electrodes provided on each of the second and the fourth large sections extends in a second direction.Type: ApplicationFiled: October 5, 2021Publication date: November 23, 2023Applicant: KANEKA CORPORATIONInventor: Masanori FUKUDA
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Patent number: 11819646Abstract: Providing a method for producing a balloon catheter, that is capable of uniformly heating and cooling the entire mold and less likely to cause temperature unevenness. A method for producing a balloon catheter which comprises a shaft extending in a longitudinal direction and a medical resin balloon provided at a distal end portion of the shaft, comprising the steps of inserting a resin tubular body (10) into a mold (20), and placing the mold (20) inside a thermal jacket (30) wherein a porous metal body (50) is disposed outside the mold (20) and inside the thermal jacket (30).Type: GrantFiled: October 16, 2020Date of Patent: November 21, 2023Assignee: KANEKA CORPORATIONInventor: Masayasu Shimaru
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Publication number: 20230365734Abstract: Provided is latex that is useful in a novel technique which (a) has a reduced environmental impact, (b) has excellent dispersibility of fine polymer particles, and (c) enables efficient collection of fine polymer particles from a latex. Specifically, provided is a latex including, by a specific amount, fine polymer particles (A) having a graft part which is constituted by a polymer that contains a specific structural unit, and a resin (B) having predetermined viscosity. The surfaces of the fine polymer particles (A) are covered with the resin (B).Type: ApplicationFiled: March 29, 2023Publication date: November 16, 2023Applicant: KANEKA CORPORATIONInventors: Yu Nagaoka, Tomoaki Ashida, Keisuke Hyakumura, Takuma Matsui
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Publication number: 20230365806Abstract: A resin composition contains a poly(3-hydroxyalkanoate) resin component, and the poly(3-hydroxyalkanoate) resin component includes a copolymer (A) which is a copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units and in which the content of the other hydroxyalkanoate units is from 1 to 6 mol % and a copolymer (B) which is a copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units and in which the content of the other hydroxyalkanoate units is 24 mol % or more. The resin composition further contains a layered clay mineral (C). The proportion of the copolymer (A) is from 72 to 93 wt %, and the proportion of the copolymer (B) is from 7 to 28 wt %. The amount of the layered clay mineral (C) is from 5 to 45 parts by weight per 100 parts by weight of the total poly(3-hydroxyalkanoate) resin component.Type: ApplicationFiled: September 16, 2021Publication date: November 16, 2023Applicant: KANEKA CORPORATIONInventor: Yoshiaki MATSUOKA
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Publication number: 20230365730Abstract: A benzoxazine resin composition is provided. The benzoxazine resin composition includes a benzoxazine resin that is a reaction product of an amine, a phenol, and an aldehyde. Either the amine is a diamine or the phenol is a bisphenol, and the benzoxazine resin has at least one nitrogen-containing crosslinking functional group or pyrocitric functional group. A method of preparing a benzoxazine resin composition is also provided. The method includes reacting an amine, a phenol, and an aldehyde at a temperature of above 60° C., for 1 h to 5 days to form a benzoxazine resin. The benzoxazine resin has at least one nitrogen-containing crosslinking functional group or pyrocitric functional group, and either the amine is a diamine or the phenol is a bisphenol. Also provided is a cured resin made from the benzoxazine resin composition.Type: ApplicationFiled: September 30, 2021Publication date: November 16, 2023Applicant: KANEKA CORPORATIONInventor: Young Hoon Lim
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Publication number: 20230360788Abstract: An information processing system includes: a memory that stores a medical device state model that indicates a state of a medical device corresponding to an external appearance of the medical device; and a processor that: acquires external appearance data indicating the external appearance of the medical device, analyzes reusability of the medical device, as the state of the medical device, using the medical device state model, and outputs medical device state information indicating an analyzed state of the medical device, the medical device state model indicating the reusability of the medical device as the state of the medical device.Type: ApplicationFiled: July 19, 2023Publication date: November 9, 2023Applicant: KANEKA CORPORATIONInventor: Shohei Suzuki
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Publication number: 20230357492Abstract: A resin composition for injection molding contains a poly(3-hydroxyalkanoate) resin. The poly(3-hydroxyalkanoate) resin includes at least one copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units. The average content of the 3-hydroxybutyrate units in the poly(3-hydroxyalkanoate) resin is from 92 to 99 mol %. The polystyrene-equivalent weight-average molecular weight of the poly(3-hydroxyalkanoate) resin, as measured by gel permeation chromatography using a chloroform solvent, is from 21×104 to 38×104. In a weight molecular weight distribution of the poly(3-hydroxyalkanoate) resin, the proportion of a component having a weight molecular weight of 20×104 or less is from 35 to 60 wt %.Type: ApplicationFiled: September 16, 2021Publication date: November 9, 2023Applicant: KANEKA CORPORATIONInventor: Yoshiaki MATSUOKA
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Patent number: 11811003Abstract: A transparent electrode-equipped substrate includes, on a film base material having a transparent film substrate, a non-crystalline transparent foundation oxide layer and a non-crystalline transparent conductive oxide layer. The transparent electrode-equipped substrate is capable of achieving low resistivity by having the transparent oxide layers being formed sequentially from the film base material side through sputtering such that the absolute value of a discharge voltage (VU) of a direct-current (DC) power supply when forming the transparent foundation oxide layer is 255-280 V, the ratio (VU/VC) between the discharge voltage (VU) of the DC power supply when forming the transparent foundation oxide layer and the discharge voltage VC of the DC power supply when forming the transparent conductive oxide layer is 0.86-0.98.Type: GrantFiled: January 29, 2021Date of Patent: November 7, 2023Assignee: KANEKA CORPORATIONInventor: Takashi Kuchiyama
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Patent number: 11810985Abstract: A method for manufacturing a solar cell comprising forming a series of transparent electrode layer material films on electroconductive semiconductor layers on the reverse surface side of a substrate; forming metal electrode layers on the transparent electrode layer material films; forming insulation layers covering the entirety of the metal electrode layers except for a first non-insulation region, and insulation layers covering the entirety of the metal electrode layers excluding a second non-insulation region; and forming patterned transparent electrode layers and leaving the insulation layers using an etching technique in which the insulation layers are masks.Type: GrantFiled: January 27, 2022Date of Patent: November 7, 2023Assignee: KANEKA CORPORATIONInventor: Junichi Nakamura
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Patent number: 11801799Abstract: In order to absorb collision energy so as to prevent an increase in reaction force against a pedestrian to a level higher than or equal to a certain level during collision, a bumper absorber of the present invention includes: a trunk part that extends in an X direction and that is simply compressed in the X direction in response to an impact; and a branch part that branches off from the trunk part toward a rear of a vehicle body, the branch part having a branching part in which the branch part branches off from the trunk part and which is provided with a breakage inducing part that causes breakage between the trunk part and the branch part in response to the impact.Type: GrantFiled: December 14, 2021Date of Patent: October 31, 2023Assignees: KANEKA CORPORATION, Chugai Co., Ltd., TOYOTA JIDOSHA KABUSHIKI KAISHA, SUBARU CORPORATIONInventors: Mitsuhiro Tamura, Seiji Sawai, Yusuke Kikuchi, Yuuki Nakamura, Shota Kotake, Yoshikazu Yukimoto
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Patent number: 11804559Abstract: A solar cell module according to the present disclosure includes a photoelectric converter, a collector electrode electrically connected to the photoelectric converter, and a wiring material (3) electrically connected to the collector electrode, wherein the collector electrode includes: a first electrode film (9A) formed on a photoelectric converter side; and a second electrode film (9B) formed on at least a wiring material side of the first electrode film (9A) so that part of a surface of the first electrode film (9A) on the wiring material side is exposed, and wherein the collector electrode and the wiring material (3) are electrically connected to each other with solder (11) connected to the part of the surface of the first electrode film (9A) exposed from the second electrode film (9B) and to a surface of the second electrode film (9B).Type: GrantFiled: May 29, 2018Date of Patent: October 31, 2023Assignee: KANEKA CORPORATIONInventor: Masanori Fukuda