Patents by Inventor Naoki Osumi
Naoki Osumi 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: 20230365801Abstract: One embodiment of the present invention relates to an elastomer composition, a sealing material, or a method for producing a sealing material, in which the elastomer composition includes a crosslinkable fluoroelastomer (A1) that is other than a perfluoroelastomer and has a fluorine content of 69% by mass or more and a crosslinkable fluoroelastomer (A2) that is other than a perfluoroelastomer and has a fluorine content in a range of 55 to 68% by mass, and a content of the fluoroelastomer (A1) is 60 to 95% by mass based on 100% by mass of the total of the fluoroelastomers (A1) and (A2).Type: ApplicationFiled: September 9, 2021Publication date: November 16, 2023Inventors: Masanori Okazaki, Naoki Osumi
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Publication number: 20230365799Abstract: One embodiment of the present invention relates to an elastomer composition, a sealing material, or a method for producing a sealing material, in which the elastomer composition includes a crosslinkable fluoroelastomer (A) other than a perfluoroelastomer, an ethylenically unsaturated bond-containing compound (B), a crosslinking agent (C), and a crosslinking aid (D), the ethylenically unsaturated bond-containing compound (B) contains at least one selected from compounds having a perfluoro skeleton having an ethylenically unsaturated bond and compounds having a siloxane skeleton having an ethylenically unsaturated bond, and a mass ratio of a content of the crosslinking aid (D) to the crosslinking agent (C) is 5 or more.Type: ApplicationFiled: September 9, 2021Publication date: November 16, 2023Inventors: Masanori Okazaki, Naoki Osumi, Masamune Noguchi
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Publication number: 20230365800Abstract: One embodiment of the present invention relates to an elastomer composition, a sealing material, or a method for producing a sealing material, in which the elastomer composition includes a crosslinkable fluoroelastomer (A1) that is other than a perfluoroelastomer and has a fluorine content of 69% by mass or more and a crosslinkable fluoroelastomer (A2) that is other than a perfluoroelastomer and has a fluorine content in a range of 66 to 68% by mass.Type: ApplicationFiled: September 9, 2021Publication date: November 16, 2023Inventors: Masanori Okazaki, Naoki Osumi
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Publication number: 20230365848Abstract: One embodiment of the present invention relates to a sealing material or a method for producing a sealing material, in which the sealing material is a radiation-crosslinked body of an elastomer composition including a crosslinkable fluoroelastomer (A) other than a perfluoroelastomer, a crosslinking agent, and a crosslinking aid, and the fluoroelastomer (A) contains a crosslinkable fluoroelastomer (A1) that is other than a perfluoroelastomer and has a fluorine content in a range of 66 to 68% by mass.Type: ApplicationFiled: September 9, 2021Publication date: November 16, 2023Inventors: Masanori Okazaki, Naoki Osumi
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Publication number: 20220251310Abstract: A sealing member includes a thermoplastic fluororesin composition including a thermoplastic fluororesin (A) having a Shore D hardness of less than or equal to 50, the Shore D hardness being measured at 23° C. in accordance with ASTM D2240, and a cross-linked structure forming agent (B) that is selected from the group consisting of a polyfunctional unsaturated compound (b-1), a polyamine compound (b-2), and a polyhydroxy compound (b-3) and that is capable of forming a cross-linked structure through a reaction with the thermoplastic fluororesin (A), the thermoplastic fluororesin composition not substantially containing a peroxide compound when containing the (b-1), not substantially containing an acid acceptor when containing the (b-2), and not substantially containing at least one of the acid acceptor and an onium compound when containing the (b-3); and a method for producing a cross-linked body including a step of cross-linking the thermoplastic fluororesin composition by an ionizing radiation.Type: ApplicationFiled: April 28, 2022Publication date: August 11, 2022Applicant: VALQUA, LTD.Inventor: Naoki Osumi
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Patent number: 11274199Abstract: Provided are a perfluoroelastomer composition which contains 100 parts by weight of a perfluoroelastomer containing a constituent unit derived from a nitrile group-containing monomer, and 0.01 to 5 parts by weight of ketjen black; and a sealing material including a crosslinked product of the perfluoroelastomer composition.Type: GrantFiled: July 11, 2017Date of Patent: March 15, 2022Assignee: VALQUA, LTD.Inventors: Naoki Osumi, Tomomitsu Mochizuki, Kana Hirai, Masamune Noguchi
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Publication number: 20220041773Abstract: Provided are an elastomer composition including a first fluoroelastomer that is a copolymer of tetrafluoroethylene and perfluoro (alkoxyvinyl ether) and a second fluoroelastomer different from the first fluoroelastomer, and a sealing material including a crosslinked product of the elastomer composition.Type: ApplicationFiled: December 2, 2019Publication date: February 10, 2022Applicant: VALQUA, LTD.Inventors: Naoki Osumi, Hirohisa Imada, Tomomitsu Mochizuki
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Patent number: 11118045Abstract: Provided area perfluoroelastomer composition containing a perfluoroelastomer and a compound having a perylene skeleton, in which the compound having a perylene skeleton is a compound other than perylene and 3,4,9,10-perylenetetracarboxylic acid diimide; and a sealing material containing a crosslinked product of the perfluoroelastomer composition.Type: GrantFiled: May 24, 2017Date of Patent: September 14, 2021Assignee: VALQUA, LTD.Inventors: Naoki Osumi, Kana Hirai
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Patent number: 11015096Abstract: Provided are a perfluoroelastomer composition containing a perfluoroelastomer, a peroxide crosslinking agent, a co-crosslinking agent that is a diolefin compound, and an organic pigment; and a sealing material containing a crosslinked product of the perfluoroelastomer composition.Type: GrantFiled: May 24, 2017Date of Patent: May 25, 2021Assignee: VALQUA, LTD.Inventors: Naoki Osumi, Kana Hirai
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Publication number: 20200317901Abstract: Provided area perfluoroelastomer composition containing a perfluoroelastomer and a compound having a perylene skeleton, in which the compound having a perylene skeleton is a compound other than perylene and 3,4,9,10-perylenetetracarboxylic acid diimide; and a sealing material containing a crosslinked product of the perfluoroelastomer composition.Type: ApplicationFiled: May 24, 2017Publication date: October 8, 2020Applicant: NIPPON VALQUA INDUSTRIES, LTD.Inventors: Naoki Osumi, Kana Hirai
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Patent number: 10675847Abstract: An adhesive composition includes a coupling agent composed of a compound having a first functional group that reacts with an inorganic material and a second functional group that reacts with an organic material, and a crosslinking agent capable of crosslinking with a crosslinking site of a fluorine-based elastomer. A seal structure body includes a metallic support, fluorine-based elastomer and adhesive composition that causes fluorine-based elastomer to adhere to metallic support. A method for manufacturing seal structure body includes the steps of providing metallic support and fluorine-based elastomer, and causing fluorine-based elastomer to adhere to metallic support by using adhesive composition. Accordingly, an adhesive composition with high adhesion strength as well as a seal structure body and a method for manufacturing the same are provided at low cost.Type: GrantFiled: April 27, 2016Date of Patent: June 9, 2020Assignee: VALQUA, LTD.Inventors: Masamichi Iwaki, Naoki Osumi
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Publication number: 20200055999Abstract: A method for producing a cross-linked body is disclosed which includes providing a thermoplastic fluororesin composition and cross-linking the thermoplastic fluororesin composition by an ionizing radiation. The thermoplastic fluororesin composition includes a thermoplastic fluororesin (A) having a Shore D hardness of less than or equal to 50 measured at 23° C.Type: ApplicationFiled: October 24, 2019Publication date: February 20, 2020Applicant: VALQUA, LTD.Inventor: Naoki Osumi
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Publication number: 20190309199Abstract: Provided are a perfluoroelastomer composition containing a perfluoroelastomer, a peroxide crosslinking agent, a co-crosslinking agent that is a diolefin compound, and an organic pigment; and a sealing material containing a crosslinked product of the perfluoroelastomer composition.Type: ApplicationFiled: May 24, 2017Publication date: October 10, 2019Applicant: NIPPON VALQUA INDUSTRIES, LTD.Inventors: Naoki Osumi, Kana Hirai
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Publication number: 20190161606Abstract: Provided are a perfluoroelastomer composition which contains 100 parts by weight of a perfluoroelastomer containing a constituent unit derived from a nitrile group-containing monomer, and 0.01 to 5 parts by weight of ketjen black; and a sealing material including a crosslinked product of the perfluoroelastomer composition.Type: ApplicationFiled: July 11, 2017Publication date: May 30, 2019Applicant: VALQUA, LTD.Inventors: Naoki Osumi, Tomomitsu Mochizuki, Kana Hirai, Masamune Noguchi
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Publication number: 20180126712Abstract: An adhesive composition includes a coupling agent composed of a compound having a first functional group that reacts with an inorganic material and a second functional group that reacts with an organic material, and a crosslinking agent capable of crosslinking with a crosslinking site of a fluorine-based elastomer. A seal structure body includes a metallic support, fluorine-based elastomer and adhesive composition that causes fluorine-based elastomer to adhere to metallic support. A method for manufacturing seal structure body includes the steps of providing metallic support and fluorine-based elastomer, and causing fluorine-based elastomer to adhere to metallic support by using adhesive composition. Accordingly, an adhesive composition with high adhesion strength as well as a seal structure body and a method for manufacturing the same are provided at low cost.Type: ApplicationFiled: April 27, 2016Publication date: May 10, 2018Applicant: NIPPON VALQUA INDUSTRIES, LTD.Inventors: Masamichi Iwaki, Naoki Osumi
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Publication number: 20180112045Abstract: Provided are a thermoplastic fluororesin composition including a thermoplastic fluororesin (A) having a Shore D hardness of less than or equal to 50, the Shore D hardness being measured at 23° C. in accordance with ASTM D2240, and a cross-linked structure forming agent (B) that is selected from the group consisting of a polyfunctional unsaturated compound (b-1), a polyamine compound (b-2), and a polyhydroxy compound (b-3) and that is capable of forming a cross-linked structure through a reaction with the thermoplastic fluororesin (A), the thermoplastic fluororesin composition not substantially containing a peroxide compound when containing the (b-1), not substantially containing an acid acceptor when containing the (b-2), and not substantially containing at least one of the acid acceptor and an onium compound when containing the (b-3); and a method for producing a cross-linked body including a step of cross-linking the thermoplastic fluororesin composition by an ionizing radiation.Type: ApplicationFiled: April 28, 2016Publication date: April 26, 2018Applicant: NIPPON VALQUA INDUSTRIES, LTD.Inventor: Naoki Osumi
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Patent number: 9945305Abstract: An engine control system performs a first control in the first place at the time of acceleration. Then, when an actual supercharging pressure is increased to a specified supercharging pressure, the engine control system performs a second control. In this way, at the time of acceleration, a turbine capacity and a valve overlap amount of an intake valve and an exhaust valve of an engine are optimized in correspondence to a driving state of an engine, whereby the intake valve and the exhaust valve of the engine can be made to overlap each other on the condition that a scavenging effect is larger than the effect of an exhaust interference during a valve overlap period.Type: GrantFiled: January 13, 2015Date of Patent: April 17, 2018Assignee: DENSO CORPORATIONInventor: Naoki Osumi
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Patent number: 9908980Abstract: Provided are: a fluorine rubber composition which contains a hydrogen atom-containing fluorine rubber and a hydrogen atom-containing fluororesin; a crosslinked rubber molded body which uses this fluorine rubber composition; and a method for producing this crosslinked rubber molded body. It is preferable that the hydrogen atom-containing fluororesin is composed of at least one compound that is selected from the group consisting of polyvinylidene fluorides, vinylidene fluoride-hexafluoropropylene copolymers, tetrafluoroethylene-ethylene copolymers and vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene copolymers.Type: GrantFiled: November 13, 2014Date of Patent: March 6, 2018Assignee: NIPPON VALQUA INDUSTRIES, LTD.Inventors: Naoki Osumi, Sayaka Toda
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Publication number: 20170002153Abstract: Provided are: a fluorine rubber composition which contains a hydrogen atom-containing fluorine rubber and a hydrogen atom-containing fluororesin; a crosslinked rubber molded body which uses this fluorine rubber composition; and a method for producing this crosslinked rubber molded body. It is preferable that the hydrogen atom-containing fluororesin is composed of at least one compound that is selected from the group consisting of polyvinylidene fluorides, vinylidene fluoride-hexafluoropropylene copolymers, tetrafluoroethylene-ethylene copolymers and vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene copolymers.Type: ApplicationFiled: November 13, 2014Publication date: January 5, 2017Applicant: NIPPON VALQUA INDUSTRIES, LTD.Inventors: Naoki Osumi, Sayaka Toda
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Publication number: 20160319102Abstract: Provided are: a perfluoroelastomer composition which contains 100 parts by weight of a perfluoroelastomer containing a constituent unit derived from tetrafluoroethylene, a constituent unit derived from a perfluoro(alkyl vinyl ether) or a perfluoro(alkoxyalkyl vinyl ether) and a constituent unit derived from a nitrile group-containing perfluorovinyl ether, greater than or equal to 1 part by weight and less than 25 parts by weight of a fluororesin and a specific crosslinking agent; a sealing material which is formed of a crosslinked product of this perfluoroelastomer composition; and a method for producing this sealing material.Type: ApplicationFiled: November 13, 2014Publication date: November 3, 2016Applicant: Nippon Valqua Industries, Ltd.Inventors: Naoki OSUMI, Sayaka TODA