Patents by Inventor Hideto Nakagawa
Hideto Nakagawa 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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Patent number: 11940164Abstract: The purpose of the present invention is to provide a vehicle air conditioning system and a control method of the vehicle air conditioning system which enable detecting leaks of flammable refrigerant without requiring a separate sensor.Type: GrantFiled: February 12, 2020Date of Patent: March 26, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTDInventors: Takayuki Hagita, Nobuya Nakagawa, Hideto Noyama
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Patent number: 11746252Abstract: A composition containing a fluorine-containing polymer having a curable functional group and a pentamethylene diisocyanate-based curing agent. Also disclosed is a coating film obtained from the composition; a laminate including a substrate and a layer obtained from the composition; a back sheet for a solar cell module having a water-impermeable sheet and a coating film obtained from the composition, the coating film being formed on at least one side of the water-impermeable sheet; and a solar cell module having a water-impermeable sheet and a coating film obtained from the composition, the coating film being formed on at least one side of the water-impermeable sheet, and a sealant layer formed above the coating film.Type: GrantFiled: November 20, 2018Date of Patent: September 5, 2023Assignees: DAIKIN FLUOROCHEMICALS (CHINA) CO., LTD., DAIKIN INDUSTRIES, LTD.Inventors: Weiwei Liu, Hideto Nakagawa, Masaru Nagato
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Publication number: 20220275132Abstract: A modified polymer including (a) a main chain containing a fluorine-containing polymer and (b) a side chain represented by the following formula (b1?) and/or a side chain represented by the following formula (b2?). The formula (b1?) is —CH2—CRb1(—X)—C(?O)—Y—Z—Rf, wherein X is a hydrogen atom, a methyl group, or a halogen atom; Y is —O— or —NH—; Z is a direct bond or a divalent organic group; Rf is a C1-C20 fluoroalkyl group; and Rb1 is a hydrogen atom or a monovalent organic group. The formula (b2?) is —CH2—CRb2(—R1)—C(?O)—O—Si(—CH3)2—[O—Si(—CH3)2]n—O—Si(—CH3)2—R2, wherein R1 is a hydrogen atom or a methyl group; R2 is a hydrogen atom or a methyl group; Rb2 is a hydrogen atom or a monovalent organic group; and n is 3 to 200.Type: ApplicationFiled: March 16, 2022Publication date: September 1, 2022Applicants: DAIKIN FLUOROCHEMICALS (CHINA) CO., LTD., DAIKIN INDUSTRIES, LTD.Inventors: Wenbin LI, Xin ZENG, Hideto NAKAGAWA
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Patent number: 11186672Abstract: Provided is a polymer capable of providing a coating film that has good initial adhesiveness to a base material and good adhesiveness thereto after a pressure cooker test, and has excellent abrasion resistance as determined by a falling sand abrasion test. The polymer includes a perhaloolefin unit, a vinyl ester unit that contains neither a hydroxy group nor an aromatic ring; and a hydroxy group-containing monomer unit. The polymer has a hydroxyl value of 110 mgKOH/g or greater.Type: GrantFiled: March 9, 2017Date of Patent: November 30, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hideto Nakagawa, Kengo Ito, Kenji Gobou, Koichiro Ogita, Katsuhiko Imoto
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Patent number: 11072153Abstract: The invention provides a novel composition capable of providing a film or coat exhibiting excellent adhesiveness to a water-impermeable sheet and to an EVA encapsulant layer even without corona discharge treatment. The composition of the invention contains a fluorine-containing polymer and a polyol compound having a hydroxyl value of 10 to 300. The polyol compound is contained in an amount of not less than 0.1 mass % but less than 100 mass % relative to the fluorine-containing polymer.Type: GrantFiled: March 29, 2016Date of Patent: July 27, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hideto Nakagawa, Hidenori Ozaki, Kenji Gobou, Koichiro Ogita
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Publication number: 20200392363Abstract: A composition containing a fluorine-containing polymer having a curable functional group and a pentamethylene diisocyanate-based curing agent. Also disclosed is a coating film obtained from the composition; a laminate including a substrate and a layer obtained from the composition; a back sheet for a solar cell module having a water-impermeable sheet and a coating film obtained from the composition, the coating film being formed on at least one side of the water-impermeable sheet; and a solar cell module having a water-impermeable sheet and a coating film obtained from the composition, the coating film being formed on at least one side of the water-impermeable sheet, and a sealant layer formed above the coating film.Type: ApplicationFiled: November 20, 2018Publication date: December 17, 2020Applicants: DAIKIN FLUOROCHEMICALS (CHINA) CO., LTD., DAIKIN INDUSTRIES, LTD.Inventors: Weiwei LIU, Hideto NAKAGAWA, Masaru NAGATO
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Patent number: 10367109Abstract: The invention provides a back sheet including a water-impermeable sheet and a film firmly bonded to each other and exhibiting excellent adhesiveness to an EVA encapsulant layer of a solar cell module even without corona discharge treatment on the film surface. The back sheet of the invention is a back sheet for solar cell module, including a water-impermeable sheet and a film. The film is disposed on at least one side of the water-impermeable sheet and is formed from a coating containing a fluorine-containing copolymer. The fluorine-containing copolymer contains a C2-C3 perhaloolefin structural unit, a vinyl acetate structural unit, a hydroxy-containing vinyl monomer structural unit, and a carboxy-containing monomer structural unit.Type: GrantFiled: March 29, 2016Date of Patent: July 30, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Takuma Kawabe, Kengo Ito, Eri Tanioka, Katsuhiko Imoto, Hideto Nakagawa, Kenji Gobou
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Publication number: 20190016848Abstract: Provided is a polymer capable of providing a coating film that has good initial adhesiveness to a base material and good adhesiveness thereto after a pressure cooker test, and has excellent abrasion resistance as determined by a falling sand abrasion test. The polymer includes a perhaloolefin unit, a vinyl ester unit that contains neither a hydroxy group nor an aromatic ring; and a hydroxy group-containing monomer unit. The polymer has a hydroxyl value of 110 mgKOH/g or greater.Type: ApplicationFiled: March 9, 2017Publication date: January 17, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hideto NAKAGAWA, Kengo ITO, Kenji GOBOU, Koichiro OGITA, Katsuhiko IMOTO
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Patent number: 10000616Abstract: The present invention provides a weather-resistant sheet for a solar cell module, which has better adhesion to a water impermeable sheet, better blocking resistance against the water impermeable sheet, and better adhesion to EVA that is a sealant; a weather-resistant sheet for a solar cell module in which a cured coating film layer thereof can suppress UV transmission significantly; a product including the sheet; and a process for producing the sheet.Type: GrantFiled: January 13, 2011Date of Patent: June 19, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hideto Nakagawa, Kenji Goboh, Kazuko Aoki, Takayuki Araki, Hiroshi Torii, Yoshihisa Yamamoto, Eiji Fujita
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Publication number: 20180090632Abstract: The invention provides a back sheet including a water-impermeable sheet and a film firmly bonded to each other and exhibiting excellent adhesiveness to an EVA encapsulant layer of a solar cell module even without corona discharge treatment on the film surface. The back sheet of the invention is a back sheet for solar cell module, including a water-impermeable sheet and a film. The film is disposed on at least one side of the water-impermeable sheet and is formed from a coating containing a fluorine-containing copolymer. The fluorine-containing copolymer contains a C2-C3 perhaloolefin structural unit, a vinyl acetate structural unit, a hydroxy-containing vinyl monomer structural unit, and a carboxy-containing monomer structural unit.Type: ApplicationFiled: March 29, 2016Publication date: March 29, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takuma KAWABE, Kengo ITO, Eri TANIOKA, Katsuhiko IMOTO, Hideto NAKAGAWA, Kenji GOBOU
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Publication number: 20180086036Abstract: The invention provides a novel composition capable of providing a film or coat exhibiting excellent adhesiveness to a water-impermeable sheet and to an EVA encapsulant layer even without corona discharge treatment. The composition of the invention contains a fluorine-containing polymer and a polyol compound having a hydroxyl value of 10 to 300. The polyol compound is contained in an amount of not less than 0.1 mass % but less than 100 mass % relative to the fluorine-containing polymer.Type: ApplicationFiled: March 29, 2016Publication date: March 29, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hideto NAKAGAWA, Hidenori OZAKI, Kenji GOBOU, Koichiro OGITA
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Publication number: 20170069773Abstract: A backsheet for a solar cell module, including a substrate sheet and a cured coating film formed from a coating material that contains a curable functional group-containing fluorinated polymer and an acrylic polymer.Type: ApplicationFiled: November 21, 2016Publication date: March 9, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hideto NAKAGAWA, Kenji GOBOU, Hidenori OZAKI, Kazuya ASANO, Shigehito SAGISAKA
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Patent number: 9392689Abstract: A metal-clad laminate, including metal foil, and a first resin layer arranged on the metal foil, the first resin layer including an epoxy resin and a fluoropolymer with a curable functional group. Also disclosed is a method of producing the metal-clad laminate.Type: GrantFiled: October 25, 2011Date of Patent: July 12, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Yoshihisa Yamamoto, Hiroyuki Yoshimoto, Hideto Nakagawa
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Patent number: 9252295Abstract: An object of the present invention is to provide a coating material that can form a coating film that has an excellent adherence for sealants in solar cell modules as well as an excellent resistance to blocking. Further objects are to provide this coating film, a solar cell module backsheet that has this coating film, and a solar cell module that has this coating film. The present invention relates to a coating material that contains a curable functional group-containing fluorinated polymer and a polyisocyanate compound derived from at least one isocyanate selected from the group consisting of xylylene diisocyanate and bis(isocyanatomethyl)cyclohexane.Type: GrantFiled: November 2, 2012Date of Patent: February 2, 2016Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hideto Nakagawa, Kenji Gobou, Hidenori Ozaki, Kazuya Asano, Shigehito Sagisaka
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Publication number: 20150122330Abstract: A backsheet for a solar cell module, including a substrate sheet and a cured coating film formed from a coating material that contains a curable functional group-containing fluorinated polymer and an acrylic polymer.Type: ApplicationFiled: November 26, 2012Publication date: May 7, 2015Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hideto Nakagawa, Kenji Gobou, Hidenori Ozaki, Kazuya Asano, Shigehito Sagisaka
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Publication number: 20140318617Abstract: An object of the present invention is to provide a backsheet, laminate, and solar cell module that can prevent the infiltration of water through a region of adhesion with the junction box. The present invention is a backsheet for a solar cell module, the backsheet having a water-impermeable sheet and a coating film formed on at least one side of the water-impermeable sheet, wherein the coating film is formed from a coating material containing a curable functional group-containing fluorinated polymer; a first surface treatment layer is formed on the coating film at least on a surface on an opposite side to the water-impermeable sheet; and the wetting index of the first surface treatment layer is at least 40 dyn/cm.Type: ApplicationFiled: November 2, 2012Publication date: October 30, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hideto Nakagawa, Kazuya Asano, Kenji Gobou, Hidenori Ozaki, Shigehito Sagisaka
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Publication number: 20140290743Abstract: An object of the present invention is to provide a coating material that can form a coating film that has an excellent adherence for sealants in solar cell modules as well as an excellent resistance to blocking. Further objects are to provide this coating film, a solar cell module backsheet that has this coating film, and a solar cell module that has this coating film. The present invention relates to a coating material that contains a curable functional group-containing fluorinated polymer and a polyisocyanate compound derived from at least one isocyanate selected from the group consisting of xylylene diisocyanate and bis(isocyanatomethyl)cyclohexane.Type: ApplicationFiled: November 2, 2012Publication date: October 2, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hideto Nakagawa, Kenji Gobou, Hidenori Ozaki, Kazuya Asano, Shigehito Sagisaka
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Patent number: 8545732Abstract: An electrode film for a polymer actuator element contains a fluororesin, a fluorine rubber, an ionic liquid, and a conductive filler.Type: GrantFiled: March 19, 2010Date of Patent: October 1, 2013Assignees: Daikin Industries, Ltd., National Institute of Advanced Industrial Science And TechnologyInventors: Hideto Nakagawa, Takuya Arase, Kinji Asaka
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Publication number: 20130213696Abstract: A metal-clad laminate, including metal foil, and a first resin layer arranged on the metal foil, the first resin layer including an epoxy resin and a fluoropolymer with a curable functional group. Also disclosed is a method of producing the metal-clad laminate.Type: ApplicationFiled: October 25, 2011Publication date: August 22, 2013Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Yoshihisa Yamamoto, Hiroyuki Yoshimoto, Hideto Nakagawa
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Patent number: 8466227Abstract: There are provided novel crosslinked fluorine-containing elastomer fine particles, a process for preparing crosslinked fluorine-containing elastomer fine particles and a resin composition comprising the same. The crosslinked fluorine-containing elastomer fine particles are crosslinked fluorine-containing elastomer fine particles having a gel fraction of not less than 85% by mass or crosslinked fluorine-containing elastomer fine particles obtained by crosslinking fluorine-containing elastomer particles having at least three iodine atoms per one polymer molecule at an end thereof. The composition is one comprising those fine particles and a synthetic resin.Type: GrantFiled: November 4, 2011Date of Patent: June 18, 2013Assignee: Daikin Industries, Ltd.Inventors: Hideto Nakagawa, Haruhiko Mohri, Hirokazu Aoyama, Junpei Terada, Rumi Takeuchi