Patents by Inventor Noritoshi Oka
Noritoshi Oka 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: 11283094Abstract: Provided are a fuel cell and a method for manufacturing the fuel cell capable of enhancing the joining (joint strength) with a resin sheet and contributing to reduction in the material cost and the product cost. A GDL (e.g., An-GDL) has a protrusion protruding to the outside of a MEA, and the resin sheet is bonded with the GDL at the protrusion of the GDL via the adhesive layer on the outside of the MEA.Type: GrantFiled: February 28, 2020Date of Patent: March 22, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Noritoshi Oka
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Publication number: 20200280085Abstract: Provided are a fuel cell and a method for manufacturing the fuel cell capable of enhancing the joining (joint strength) with a resin sheet and contributing to reduction in the material cost and the product cost. A GDL (e.g., An-GDL) has a protrusion protruding to the outside of a MEA, and the resin sheet is bonded with the GDL at the protrusion of the GDL via the adhesive layer on the outside of the MEA.Type: ApplicationFiled: February 28, 2020Publication date: September 3, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Noritoshi OKA
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Patent number: 10374245Abstract: In an manufacturing apparatus, a belt-shaped electrolyte polymer is conveyed in a state disposed to a back sheet. A first reinforcement membrane is conveyed in a state disposed to a back sheet, and, in a first sticking section, stuck with the belt-shaped electrolyte polymer. In a first thermocompression bonding section, the belt-shaped electrolyte polymer and the first reinforcement membrane are thermally compressed. At this time, a molten electrolyte polymer reaches between the first reinforcement membrane and the back sheet thereof, and the first adhesiveness between the first reinforcement membrane and the back sheet thereof becomes higher than the second adhesiveness between the belt-shaped electrolyte polymer and the back sheet thereof. A first peel section peels, in this state, the back sheet from the belt-shaped electrolyte polymer.Type: GrantFiled: May 15, 2014Date of Patent: August 6, 2019Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hiroki Kitoh, Hiroshi Harada, Noritoshi Oka
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Publication number: 20180366739Abstract: A sheet having undergone the process of applying catalyst ink onto at least part of a surface of a transported sheet to a predetermined thickness is dried so that a solvent evaporating from the catalyst ink is recovered, and the sheet having undergone the process of transferring a catalyst layer formed on the transported sheet after the solvent evaporates onto another member so that the catalyst layer is removed is cleaned by using the recovered solvent as cleaning liquid so that at least part of the residue of at least the catalyst ink left on the sheet is removed. The thus cleaned transported sheet, when the usage count thereof is smaller than or equal to a quality assurance count, is reused in the application of the catalyst ink. As a result, in the manufacture of the catalyst layer using the catalyst ink, the amount of emission toward the outside is reduced.Type: ApplicationFiled: June 11, 2018Publication date: December 20, 2018Inventors: Noritoshi OKA, Kazuki FUJII
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Publication number: 20160093908Abstract: In an manufacturing apparatus, a belt-shaped electrolyte polymer is conveyed in a state disposed to a back sheet. A first reinforcement membrane is conveyed in a state disposed to a back sheet, and, in a first sticking section, stuck with the belt-shaped electrolyte polymer. In a first thermocompression bonding section, the belt-shaped electrolyte polymer and the first reinforcement membrane are thermally compressed. At this time, a molten electrolyte polymer reaches between the first reinforcement membrane and the back sheet thereof, and the first adhesiveness between the first reinforcement membrane and the back sheet thereof becomes higher than the second adhesiveness between the belt-shaped electrolyte polymer and the back sheet thereof. A first peel section peels, in this state, the back sheet from the belt-shaped electrolyte polymer.Type: ApplicationFiled: May 15, 2014Publication date: March 31, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki KITOH, Hiroshi HARADA, Noritoshi OKA
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Patent number: 8754140Abstract: A material for solid polyelectrolytes which comprises a polymer comprising two or more fluoropolymer segments differing in monomer composition, wherein at least one of the fluoropolymer segments has sulfonic acid type functional groups.Type: GrantFiled: November 17, 2008Date of Patent: June 17, 2014Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Noritoshi Oka, Yoshito Tanaka, Takayuki Nakamura, Tetsuo Shimizu
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Publication number: 20090075150Abstract: A material for solid polyelectrolytes which comprises a polymer comprising two or more fluoropolymer segments differing in monomer composition, wherein at least one of the fluoropolymer segments has sulfonic acid type functional groups.Type: ApplicationFiled: November 17, 2008Publication date: March 19, 2009Inventors: Takayuki ARAKI, Noritoshi OKA, Yoshito TANAKA, Takayuki NAKAMURA, Tetsuo SHIMIZU
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Patent number: 7455934Abstract: The invention is a material for a solid polyelectrolyte, comprising a multi-segmented fluoropolymer that comprises a block copolymer and/or a graft copolymer, wherein the copolymer contains one or more blocks essentially consisting of segment A and one or more blocks essentially consisting of segment B, the segment A combines with the segment B, wherein the segment A has a molecular weight of 5,000 to 1,000.Type: GrantFiled: May 10, 1999Date of Patent: November 25, 2008Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Noritoshi Oka, Yoshito Tanaka, Takayuki Nakamura, Tetsuo Shimizu
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Patent number: 6737164Abstract: Composite materials for cooking apparatuses which are produced by applying, to a substrate, a material comprising a fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps and are excellent in heat resistance, non-sticking property, stain-proofing property, water- and oil-repelling property, stain-removing property, chemical resistance, rust-preventing property, antibacterial property, resistance to energy ray and abrasion resistance. The composite materials for cooking apparatuses are produced by applying, to the substrate, the material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.Type: GrantFiled: September 3, 1999Date of Patent: May 18, 2004Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Yoshito Tanaka, Masahiro Kumegawa, Noritoshi Oka, Hisato Sanemasa, Tetsuo Shimizu
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Patent number: 6716497Abstract: A heat resistant scattering-preventing composite material is produced by applying, to a substrate, a material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers which do not have said functional group. The heat resistant scattering-preventing composite material is produced by applying, to the substrate, the material comprising the fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps.Type: GrantFiled: November 19, 1999Date of Patent: April 6, 2004Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Yoshito Tanaka, Masahiro Kumegawa, Noritoshi Oka, Hisato Sanemasa, Tetsuo Shimizu
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Patent number: 6713183Abstract: To provide a fluorine-containing adhesive which maintains thermal resistance, chemical resistance, weather resistance and electric insulating property and has strong adhesive property directly to substrates particularly metal and glass, and an adhesive film and laminated article which are obtained by using the fluorine-containing adhesive. There is used a fluorine-containing ethylenic polymer having hydroxyl which is prepared by copolymerizing 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having hydroxyl and 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers copolymerizable with the above-mentioned monomer.Type: GrantFiled: June 5, 1998Date of Patent: March 30, 2004Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Yoshito Tanaka, Masahiro Kumegawa, Noritoshi Oka, Tetsuo Shimizu
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Patent number: 6706819Abstract: To provide the fluorine-containing material which is capable of giving various products, particularly products and parts for OA equipment, is excellent in flexibility, mechanical strength, viscoelasticity and mold-processability and possesses improved non-tackiness. The flexible fluorine-containing material comprises (a) the fluorine-containing multi-segment polymer having the elastomeric fluorine-containing polymer chain segment A and the non-elastomeric fluorine-containing polymer chain segment B in which the elastomeric fluorine-containing polymer chain segment A comprises not less than 90% by mole of a perhaloolefin unit and (b) the fluorine-containing resin having a crystalline melting point or glass transition temperature of not less than 150° C., in which a weight ratio (a)/(b) is 1/99 to 99/1.Type: GrantFiled: December 19, 2001Date of Patent: March 16, 2004Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Nobuhiro Hirano, Noritoshi Oka
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Patent number: 6677044Abstract: A composite material having sliding property is produced by applying, to a substrate, a material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers having no functional group mentioned above. The composite material having sliding property which is produced by applying, to the substrate, the material comprising the fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps.Type: GrantFiled: November 16, 1999Date of Patent: January 13, 2004Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Yoshito Tanaka, Masahiro Kumegawa, Noritoshi Oka, Hisato Sanemasa, Tetsuo Shimizu
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Patent number: 6645555Abstract: To provide a fluorine-containing coating material which gives excellent adhesive strength directly to a substrate such as metal, glass, etc. with maintaining excellent characteristics of the fluorine-containing polymer such as thermal resistance, chemical resistance, non-sticking property and low friction property, and a method for coating the material. The fluorine-containing coating material is prepared by using a fluorine-containing ethylenic polymer having functional group which is obtained by copolymerizing (a-1) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having any one of functional groups selected from hydroxyl, carboxyl, carboxylate salt group, carboxylate ester group or epoxy and (b-1) 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers having no functional group mentioned above.Type: GrantFiled: January 3, 2000Date of Patent: November 11, 2003Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Hisato Sanemasa, Masahiro Kumegawa, Noritoshi Oka, Tetsuo Shimizu
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Publication number: 20030194564Abstract: To provide a fluorine-containing adhesive which maintains thermal resistance, chemical resistance, weather resistance and electric insulating property and has strong adhesive property directly to substrates particularly metal and glass, and an adhesive film and laminated article which are obtained by using the fluorine-containing adhesive. There is used a fluorine-containing ethylenic polymer having hydroxyl which is prepared by copolymerizing 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having hydroxyl and 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers copolymerizable with the above-mentioned monomer.Type: ApplicationFiled: June 5, 1998Publication date: October 16, 2003Inventors: TAKAYUKI ARAKI, YOSHITO TANAKA, MASAHIRO KUMEGAWA, NORITOSHI OKA, TETSUO SHIMIZU
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Publication number: 20030162027Abstract: A composite material having sliding property is produced by applying, to a substrate, a material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers having no functional group mentioned above. The composite material having sliding property which is produced by applying, to the substrate, the material comprising the fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps.Type: ApplicationFiled: November 16, 1999Publication date: August 28, 2003Inventors: TAKAYUKI ARAKI, YOSHITO TANAKA, MASAHIRO KUMEGAWA, NORITOSHI OKA, HISATO SANEMASA, TETSUO SHIMIZU
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Publication number: 20030049454Abstract: Composite materials for cooking apparatuses which are produced by applying, to a substrate, a material comprising a fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps and are excellent in heat resistance, non-sticking property, stain-proofing property, water- and oil-repelling property, stain-removing property, chemical resistance, rust-preventing property, antibacterial property, resistance to energy ray and abrasion resistance. The composite materials for cooking apparatuses are produced by applying, to the substrate, the material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30 % by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.Type: ApplicationFiled: September 3, 1999Publication date: March 13, 2003Inventors: TAKAYUKI ARAKI, YOSHITO TANAKA, MASAHIRO KUMEGAWA, NORITOSHI OKA, HISATO SANEMASA, TETSUO SHIMIZU
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Publication number: 20030008151Abstract: A heat resistant scattering-preventing composite material is produced by applying, to a substrate, a material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers which do not have said functional group. The heat resistant scattering-preventing composite material is produced by applying, to the substrate, the material comprising the fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps.Type: ApplicationFiled: November 19, 1999Publication date: January 9, 2003Inventors: TAKAYUKI ARAKI, YOSHITO TANAKA, MASAHIRO KUMEGAWA, NORITOSHI OKA, HISATO SANEMASA, TETSUO SHIMIZU
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Patent number: 6500537Abstract: A non-sticking composite material for office automation equipment which is produced by applying, to a substrate, a material comprising a fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps and is excellent in heat resistance, non-sticking property, stain-proofing property, water- and oil-repelling property, stain removing property, chemical resistance, rust-preventive property, antibacterial property, resistance to energy ray and abrasion resistance. The non-sticking composite material for office automation equipment is produced by applying, to the substrate, the material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.Type: GrantFiled: January 21, 2000Date of Patent: December 31, 2002Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Yoshito Tanaka, Masahiro Kumegawa, Noritoshi Oka, Hisato Sanemasa, Tetsuo Shimizu
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Patent number: 6207236Abstract: To provide the water-repellent coating film having excellent transparency, abrasion resistance, weather resistance and water repellency, the method for producing the coating film, the multi-functional composite material provided with the coating film and the coating composition used therefor which has excellent dispersion stability. The coating composition comprises (A) the fluorine-containing ethylenic polymer prepared by copolymerizing a fluorine-containing ethylenic monomer having at least one functional group selected from hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, (B-1) the metal oxide sol, and (C) the solvent.Type: GrantFiled: December 17, 1998Date of Patent: March 27, 2001Assignee: Daikin Industries, Ltd.Inventors: Takayuki Araki, Yoshito Tanaka, Masahiro Kumegawa, Noritoshi Oka, Tetsuo Shimizu