Patents by Inventor Takashi Fukuchi
Takashi Fukuchi 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).
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Publication number: 20240105949Abstract: Provided are a negative electrode binder composition which has excellent slurry stability without using a thickener, such as cellulose, in a negative electrode active material for an LIB secondary battery, and which is suppressed in the resistance to swelling by a solvent, and a negative electrode using the same and a secondary battery. A negative electrode binder composition comprising a copolymer having a hydroxyl group-containing monomer and an acid group-containing monomer as essential components, in which the copolymer has a weight average molecular weight of 700,000 or more, as measured using an aqueous GPC measurement apparatus, and in which a dried polymer film of the negative electrode binder composition has a swelling ratio of 0 to 10% by weight, as measured after immersed in a carbonate mixed solvent at 45° C. for 72 hours.Type: ApplicationFiled: February 3, 2022Publication date: March 28, 2024Inventors: Nobuhiro OE, Masahiro KAJIKAWA, Takashi MUKAI, Iwao FUKUCHI
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Publication number: 20230115043Abstract: A polyaspartic coating composition that contains: an aspartic acid ester compound of formula (I): where X is an n-valent organic group, R1 and R2 are identical or different organic groups inactive against an isocyanate group under reaction conditions, and n is an integer of 2 or more; and a polyisocyanate composition comprising a polyisocyanate obtained from at least one trisocyanate compound of formula (VIII): where each Y1 independently represents a single bond, or a divalent hydrocarbon group which may have at least one selected from the group consisting of an ester structure and an ether structure, the Y1 groups are identical to or different from each other, and R3 is a hydrogen atom or a monovalent hydrocarbon group.Type: ApplicationFiled: October 20, 2022Publication date: April 13, 2023Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Satoshi TAKENO, Takashi FUKUCHI
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Patent number: 11248084Abstract: Provided is a polyisocyanate mixture including: a triisocyanate compound (A) represented by Formula (I); and polyisocyanate (B) obtained from at least one diisocyanate selected from the group consisting of aliphatic diisocyanate, alicyclic diisocyanate, and aromatic diisocyanate. (In Formula (1), a plurality of Y1's each independently represent a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms which may have an ester structure and/or an ether structure. A plurality of Y1's may be the same as or different from one another. R1 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 12 carbon atoms.Type: GrantFiled: October 13, 2017Date of Patent: February 15, 2022Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Masakazu Yamauchi, Takashi Fukuchi, Satoshi Takeno
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Patent number: 10604673Abstract: The present invention provides a blocked polyisocyanate composition comprising a blocked polyisocyanate obtained from a blocking agent and a polyisocyanate derived from at least one diisocyanate selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate, wherein the blocking agent comprises at least one selected from the group consisting of a malonic acid diester compound having a specific structure and a ?-ketoester compound having a specific structure, and a molar ratio of a total of a specific keto form structure and a specific keto form structure to a total of a specific enol form structure and a specific enol form structure is 75/25 or more and 97/3 or less.Type: GrantFiled: September 9, 2016Date of Patent: March 31, 2020Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Satoshi Takeno, Takashi Fukuchi, Masakazu Yamauchi
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Publication number: 20200010720Abstract: A polyaspartic coating composition contains: an aspartic acid ester compound; and a polyisocyanate composition containing a polyisocyanate obtained from at least one diisocyanate monomer selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates, wherein the molar ratio x represented by equation (1) is 0.05 to 0.5, the molar ratio d represented by equation (4) is 0.02 to 0.5, and the molar ratio e represented by equation (5) is 0 to 0.05, the molar ratio x=(B+C+D)/(A+B+C+D) ??(1) the molar ratio d=D/(A+B+C+D) ??(4) the molar ratio e=E/A ??(5) A represents the content of an isocyanurate group in the polyisocyanate composition, B represents the content of an iminooxadiazinedione group therein. C represents the content of a uretdione group therein. D represents the content of an allophanate group therein, and E represents the content of a biuret group therein.Type: ApplicationFiled: March 1, 2018Publication date: January 9, 2020Applicants: ASAHI KASEI KABUSHIKI KAISHA, ASAHI KASEI KABUSHIKI KAISHAInventors: Satoshi TAKENO, Takashi FUKUCHI
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Publication number: 20190284331Abstract: Provided is a polyisocyanate mixture including: a triisocyanate compound (A) represented by Formula (I); and polyisocyanate (B) obtained from at least one diisocyanate selected from the group consisting of aliphatic diisocyanate, alicyclic diisocyanate, and aromatic diisocyanate. (In Formula (1), a plurality of Y1's each independently represent a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms which may have an ester structure and/or an ether structure. A plurality of Y1's may be the same as or different from one another. R1 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 12 carbon atoms.Type: ApplicationFiled: October 13, 2017Publication date: September 19, 2019Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Masakazu YAMAUCHI, Takashi FUKUCHI, Satoshi TAKENO
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Patent number: 10301416Abstract: A polyisocyanate composition having a polyisocyanate, which is a reaction product of: a polyisocyanate precursor formed of a dimer or a multimer of at least one diisocyanate selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate; and a polycarbonate diol, which is obtained by copolymerizing at least one diol selected from the group consisting of a diol having 2 to 20 carbon atoms and a carbonate compound, in which the polyisocyanate precursor has an isocyanurate group and an allophanate group, and the isocyanurate group and the allophanate group are present in a molar ratio (the isocyanurate group/the allophanate group) of 80:20 or more and 99:1 or less.Type: GrantFiled: June 24, 2014Date of Patent: May 28, 2019Assignee: ASAHI KASEI CHEMICALS CORPORATIONInventors: Takashi Fukuchi, Masako Uchida, Yuichi Miwa
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Publication number: 20180282574Abstract: The present invention provides a blocked polyisocyanate composition comprising a blocked polyisocyanate obtained from a blocking agent and a polyisocyanate derived from at least one diisocyanate selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate, wherein the blocking agent comprises at least one selected from the group consisting of a malonic acid diester compound having a specific structure and a ?-ketoester compound having a specific structure, and a molar ratio of a total of a specific keto form structure and a specific keto form structure to a total of a specific enol form structure and a specific enol form structure is 75/25 or more and 97/3 or less.Type: ApplicationFiled: September 9, 2016Publication date: October 4, 2018Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Satoshi TAKENO, Takashi FUKUCHI, Masakazu YAMAUCHI
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Patent number: 9666330Abstract: The invention provides a polyurethane resin composition for electrical insulation that has excellent compatibility between an isocyanate component and a polyol component, and that exhibits excellent heat resistance, moisture resistance, and insulation properties. The polyurethane resin composition for electrical insulation comprises (1) Part A comprising a polyisocyanate component obtained from at least one member selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates, and containing one or more isocyanurate groups and one or more allophanate groups; and (2) Part B comprising a polyol component, wherein the polyisocyanate component has a molar ratio, (a)/(b), of isocyanurate groups (a) to allophanate groups (b) of 85/15 to 15/85.Type: GrantFiled: September 27, 2012Date of Patent: May 30, 2017Assignee: Sanyu Rec Co., Ltd.Inventors: Yoshimichi Takei, Akira Morisaki, Takashi Fukuchi
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Publication number: 20160369034Abstract: A polyisocyanate composition having a polyisocyanate, which is a reaction product of: a polyisocyanate precursor formed of a dimer or a multimer of at least one diisocyanate selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate; and a polycarbonate diol, which is obtained by copolymerizing at least one diol selected from the group consisting of a diol having 2 to 20 carbon atoms and a carbonate compound, in which the polyisocyanate precursor has an isocyanurate group and an allophanate group, and the isocyanurate group and the allophanate group are present in a molar ratio (the isocyanurate group/the allophanate group) of 80:20 or more and 99:1 or less.Type: ApplicationFiled: June 24, 2014Publication date: December 22, 2016Applicant: ASAHI KASEI CHEMICALS CORPORATIONInventors: Takashi FUKUCHI, Masako UCHIDA, Yuichi MIWA
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Publication number: 20140248497Abstract: The invention provides a polyurethane resin composition for electrical insulation that has excellent compatibility between an isocyanate component and a polyol component, and that exhibits excellent heat resistance, moisture resistance, and insulation properties. The polyurethane resin composition for electrical insulation comprises (1) Part A comprising a polyisocyanate component obtained from at least one member selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates, and containing one or more isocyanurate groups and one or more allophanate groups; and (2) Part B comprising a polyol component, wherein the polyisocyanate component has a molar ratio, (a)/(b), of isocyanurate groups (a) to allophanate groups (b) of 85/15 to 15/85.Type: ApplicationFiled: September 27, 2012Publication date: September 4, 2014Applicants: ASAHI KASEI CHEMICALS CORPORATION, SANYU REC CO., LTD.Inventors: Yoshimichi Takei, Akira Morisaki, Takashi Fukuchi
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Patent number: 8664850Abstract: An emitting device in an organic electroluminescent device is disclosed, in which a lower electrode pattern is formed on a substrate, an emitting layer pattern is formed on the lower electrode pattern, and a transparent electrode is formed on the emitting layer pattern and an emitting body having a structure in which an organic thin film emits light when an application current is applied to it. The pattern of the transparent electrode completely covers and is larger than that of the lower electrode. The pattern of the transparent electrode is formed over the entire area of the pattern of the lower electrode.Type: GrantFiled: March 19, 2013Date of Patent: March 4, 2014Assignee: Samsung Display Co., Ltd.Inventors: Kazuhiko Hayashi, Takashi Fukuchi, Shinzo Tsuboi, Ichiro Fujieda
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Patent number: 8410687Abstract: An emitting device in an organic electroluminescent device is disclosed, in which a lower electrode pattern is formed on a substrate, an emitting layer pattern is formed on the lower electrode pattern, and a transparent electrode is formed on the emitting layer pattern and an emitting body having a structure in which an organic thin film emits light when an application current is applied to it. The pattern of the transparent electrode completely covers and is larger than that of the lower electrode. The pattern of the transparent electrode is formed over the entire area of the pattern of the lower electrode.Type: GrantFiled: September 23, 2008Date of Patent: April 2, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kazuhiko Hayashi, Takashi Fukuchi, Shinzo Tsuboi, Ichiro Fujieda
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Publication number: 20120280214Abstract: An organic EL element having at least a cathode, a cathode buffer layer comprising a HAT derivative, an electron injection transport layer and a light-emitting layer in that order from a substrate side. The organic EL element of the present invention provides the particular advantages of (1) preventing damage to the electron injection transport performance of the electron injection transport layer due to oxygen and/or moisture adsorbed on the cathode, thereby ensuring a supply of electrons to the light-emitting layer, (2) reducing the drive voltage of the organic EL element, (3) preventing an increase in the drive voltage to provide the same current density over the course of the drive time, and (4) controlling the occurrence of current leaks and pixel defects, thereby improving the quality and manufacturing yield of the organic EL element.Type: ApplicationFiled: December 25, 2008Publication date: November 8, 2012Inventors: Ryohei Makino, Chong Li, Takashi Fukuchi
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Patent number: 7623101Abstract: A light emitting device in accordance with the present invention includes a light emitting element and a light sensor for detecting the luminous intensity of the light emitted from the light emitting element. The light emitting element includes a lower electrode, a light emitting material layer including at least a light emitting layer, and an upper electrode having light transparency, which are formed on a substrate in the named order. One of the lower electrode and the upper electrode acts as a cathode, and the other acts as an anode. The light sensor is formed on the light emitting element.Type: GrantFiled: April 12, 2006Date of Patent: November 24, 2009Assignee: Samsung Mobile Display Co., Ltd.Inventors: Kazuhiko Hayashi, Takashi Fukuchi, Shinnzo Tsuboi
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Publication number: 20090015155Abstract: An emitting device in an organic electroluminescent device is disclosed, in which a lower electrode pattern is formed on a substrate, an emitting layer pattern is formed on the lower electrode pattern, and a transparent electrode is formed on the emitting layer pattern and an emitting body having a structure in which an organic thin film emits light when an application current is applied to it. The pattern of the transparent electrode completely covers and is larger than that of the lower electrode. The pattern of the transparent electrode is formed over the entire area of the pattern of the lower electrode.Type: ApplicationFiled: September 23, 2008Publication date: January 15, 2009Applicant: SAMSUNG SDI CO., LTD.Inventors: Kazuhiko HAYASHI, Takashi FUKUCHI, Shinzo TSUBOI, Ichiro FUJIEDA
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Patent number: 7465963Abstract: An organic EL device having a light emitting element including a first electrode (2), a second electrode (4) of transparent conductive film, and a light emitting organic material layer (9) formed between said first electrode (2) and said second electrode (4), wherein said transparent conductive film is made of a metal oxide deficient in oxygen as compared with stoichiometric composition. Since the transparent conductive film (4) directly in contact with the light emitting organic material layer (9) over a wide area is made of the metal oxide deficient in oxygen as compared with stoichiometric composition, the transparent conductive film can absorb moisture and oxygen which may possibly absorbed by the light emitting organic material layer so that the light emitting organic material layer is prevented from deteriorating, and the long emission lifetime of the element can be ensured.Type: GrantFiled: February 4, 2002Date of Patent: December 16, 2008Assignee: Samsung SDI Co., Ltd.Inventors: Kazuhiko Hayashi, Atsushi Oda, Takashi Fukuchi, Shinnzo Tsuboi
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Publication number: 20070264590Abstract: Disclosed is a patterning process includes a patterning step including exposing a base to light, the base including: (a) a substrate; (b) a photocatalyst layer formed on part of the substrate and containing a photocatalyst; and (c) a patterning layer formed on an upper surface of a base including the substrate (a) and the photocatalyst layer (b), the patterning layer being decomposable by action of the photocatalyst; whereby the patterning layer on the photocatalyst layer (c) is decomposed and removed to expose at least part of an upper surface of the photocatalyst layer. According to this process, high-resolution and low-cost EL devices and electroluminescence display apparatuses are provided.Type: ApplicationFiled: September 22, 2005Publication date: November 15, 2007Applicant: SHOWA DENKO K.K.Inventor: Takashi Fukuchi
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Publication number: 20060192215Abstract: A light emitting device in accordance with the present invention includes a light emitting element and a light sensor for detecting the luminous intensity of the light emitted from the light emitting element. The light emitting element includes a lower electrode, a light emitting material layer including at least a light emitting layer, and an upper electrode having light transparency, which are formed on a substrate in the named order. One of the lower electrode and the upper electrode acts as a cathode, and the other acts as an anode. The light sensor is formed on the light emitting element.Type: ApplicationFiled: April 12, 2006Publication date: August 31, 2006Applicant: Samsung SDI Co., Ltd.Inventors: Kazuhiko Hayashi, Takashi Fukuchi, Shinnzo Tsuroi
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Patent number: 7045820Abstract: A light emitting device in accordance with the present invention includes a light emitting element and a light sensor for detecting the luminous intensity of the light emitted from the light emitting element. The light emitting element includes a lower electrode, a light emitting material layer including at least a light emitting layer, and an upper electrode having light transparency, which are formed on a substrate in the named order. One of the lower electrode and the upper electrode acts as a cathode, and the other acts as an anode. The light sensor is formed on the light emitting element.Type: GrantFiled: February 27, 2002Date of Patent: May 16, 2006Assignee: Samsung SDI Co., Ltd.Inventors: Kazuhiko Hayashi, Takashi Fukuchi, Shinnzo Tsuboi