Patents by Inventor Takashi Kikudome
Takashi Kikudome 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: 10626934Abstract: A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with low environmental load and with excellent friction coefficient, anti-crack properties, and abrasion resistance compared with conventional ones. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material, includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; cashew dust in a content of 1.5-4.5 mass % as the organic filler; zirconium oxide with a particle size of 30 ?m or less in a content of 30-45 mass % but not containing zirconium oxide with a particle size of more than 30 ?m as the inorganic filler.Type: GrantFiled: December 12, 2017Date of Patent: April 21, 2020Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
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Patent number: 10316918Abstract: Provided by the present invention are: a non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber substrate, wherein, in the non-asbestos frictional material composition, content of a copper is 5% or less by mass as a copper element, content of a metal fiber other than a copper fiber and a copper alloy fiber is 0.5% or less by mass, and a titanate salt is contained therein with antimony trisulfide or zinc powders, with content of the titanate salt being in the range of 10 to 35% by mass; and a frictional material and a friction member that use the said non-asbestos frictional material composition.Type: GrantFiled: May 23, 2016Date of Patent: June 11, 2019Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Mitsuo Unno, Masamichi MItsumoto, Kazuya Baba, Takashi Kikudome
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Patent number: 10302165Abstract: A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with low environmental load and with excellent friction coefficient, anti-crack properties, and abrasion resistance compared with conventional ones. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; and mica and graphite with a particle size of 90 ?m or less but not containing graphite with a particle size of more than 90 ?m.Type: GrantFiled: November 7, 2011Date of Patent: May 28, 2019Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
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Publication number: 20180112730Abstract: A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with low environmental load and with excellent friction coefficient, anti-crack properties, and abrasion resistance compared with conventional ones. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material, includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; cashew dust in a content of 1.5-4.5 mass % as the organic filler; zirconium oxide with a particle size of 30 ?m or less in a content of 30-45 mass % but not containing zirconium oxide with a particle size of more than 30 ?m as the inorganic filler.Type: ApplicationFiled: December 12, 2017Publication date: April 26, 2018Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
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Patent number: 9863493Abstract: A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with low environmental load and with excellent friction coefficient, anti-crack properties, and abrasion resistance compared with conventional ones. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material, includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; cashew dust in a content of 1.5-4.5 mass % as the organic filler; zirconium oxide with a particle size of 30 ?m or less in a content of 30-45 mass % but not containing zirconium oxide with a particle size of more than 30 ?m as the inorganic filler.Type: GrantFiled: November 7, 2011Date of Patent: January 9, 2018Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
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Patent number: 9470283Abstract: Provided by the present invention are: a non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber substrate, wherein, in the non-asbestos frictional material composition, content of a copper is 5% or less by mass as a copper element, content of a metal fiber other than a copper fiber and a copper alloy fiber is 0.5% or less by mass, and a titanate salt is contained therein with antimony trisulfide or zinc powders, with content of the titanate salt being in the range of 10 to 35% by mass; and a frictional material and a friction member that use the said non-asbestos frictional material composition.Type: GrantFiled: June 6, 2012Date of Patent: October 18, 2016Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Mitsuo Unno, Masamichi Mitsumoto, Kazuya Baba, Takashi Kikudome
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Patent number: 9464682Abstract: The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; iron powder and tin powder as the inorganic filler in a total content of 1-12 mass %. The non-asbestos frictional material composition can provide a frictional material with excellent friction coefficient, anti-crack properties, and abrasion resistance even with the reduced content of copper and a copper fiber that possibly cause environmental pollution. The frictional material and the friction member are formed by using the above-mentioned non-asbestos frictional material composition.Type: GrantFiled: November 7, 2011Date of Patent: October 11, 2016Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome
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Patent number: 9464683Abstract: A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with excellent shear strength, anti-crack properties, and abrasion resistance, even with the reduced content of copper. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 0.5 mass % or less as a copper element; a metal other than copper and copper alloy in a content of 0.5 mass % or less; an acrylic elastomer-dispersed phenol resin as the binder in a content of 7-15 mass %; and Ca(OH)2 and/or CaO as the inorganic filler in a content of 1-5 mass %.Type: GrantFiled: November 7, 2011Date of Patent: October 11, 2016Assignee: Hitachi Chemical Company, LTDInventors: Kazuya Baba, Mitsuo Unno, Takashi Kikudome
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Publication number: 20160265612Abstract: Provided by the present invention are: a non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber substrate, wherein, in the non-asbestos frictional material composition, content of a copper is 5% or less by mass as a copper element, content of a metal fiber other than a copper fiber and a copper alloy fiber is 0.5% or less by mass, and a titanate salt is contained therein with antimony trisulfide or zinc powders, with content of the titanate salt being in the range of 10 to 35% by mass; and a frictional material and a friction member that use the said non-asbestos frictional material composition.Type: ApplicationFiled: May 23, 2016Publication date: September 15, 2016Inventors: Mitsuo UNNO, Masamichi MITSUMOTO, Kazuya BABA, Takashi KIKUDOME
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Patent number: 9441693Abstract: A non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 0.5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; cashew dust in a content of 3.5-10.0, wollastonite, and mica. The non-asbestos frictional material composition can provide a frictional material with excellent friction coefficient, anti-crack properties, and abrasion resistance even with the reduced content of copper and a copper fiber possibly causing environmental pollution. The frictional material and the friction member are formed by using the above-mentioned non-asbestos frictional material composition.Type: GrantFiled: November 7, 2011Date of Patent: September 13, 2016Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome
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Patent number: 9410591Abstract: Provided is a friction material composition comprising: a binder; a fibrous base material; an abrasive material; an inorganic filler; and an organic filler, wherein the friction material composition further comprises: at least one selected from the group consisting of zinc, a cellulose fiber as the fibrous base materials and a flame retardant fiber as the fibrous base materials; an iron-based fiber as the fibrous base material in an specified amount; and an inorganic abrasive material having a Mohs hardness of 8 or higher and a particle size of 1 ?m or larger as the abrasive material in an amount of 1 wt % or less.Type: GrantFiled: September 24, 2014Date of Patent: August 9, 2016Assignee: HITACHI CHEMICAL COMPANY, LTDInventors: Mitsuo Unno, Manabu Ono, Takashi Kikudome
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Patent number: 9086105Abstract: Provided is a friction material composition comprising: a binder; a fibrous base material; an abrasive material; an inorganic filler; and an organic filler, wherein the friction material composition further comprises: at least one selected from the group consisting of zinc, a cellulose fiber as the fibrous base materials and a flame retardant fiber as the fibrous base materials; an iron-based fiber as the fibrous base material in an specified amount; and an inorganic abrasive material having a Mohs hardness of 8 or higher and a particle size of 1 ?m or larger as the abrasive material in an amount of 1 wt % or less.Type: GrantFiled: April 17, 2014Date of Patent: July 21, 2015Assignee: Hitachi Chemical Company, Ltd.Inventors: Mitsuo Unno, Manabu Ono, Takashi Kikudome
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Patent number: 9039825Abstract: Provided is a friction material composition comprising: a binder; a fibrous base material; an abrasive material; an inorganic filler; and an organic filler, wherein the friction material composition further comprises: at least one selected from the group consisting of zinc, a cellulose fiber as the fibrous base materials and a flame retardant fiber as the fibrous base materials; an iron-based fiber as the fibrous base material in an specified amount; and an inorganic abrasive material having a Mohs hardness of 8 or higher and a particle size of 1 ?m or larger as the abrasive material in an amount of 1 wt % or less.Type: GrantFiled: August 6, 2009Date of Patent: May 26, 2015Assignee: Hitachi Chemical Co., Ltd.Inventors: Mitsuo Unno, Manabu Ono, Takashi Kikudome
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Publication number: 20150008615Abstract: Provided is a friction material composition comprising: a binder; a fibrous base material; an abrasive material; an inorganic filler; and an organic filler, wherein the friction material composition further comprises: at least one selected from the group consisting of zinc, a cellulose fiber as the fibrous base materials and a flame retardant fiber as the fibrous base materials; an iron-based fiber as the fibrous base material in an specified amount; and an inorganic abrasive material having a Mohs hardness of 8 or higher and a particle size of 1 ?m or larger as the abrasive material in an amount of 1 wt % or less.Type: ApplicationFiled: September 24, 2014Publication date: January 8, 2015Inventors: Mitsuo UNNO, Manabu Ono, Takashi Kikudome
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Publication number: 20140227541Abstract: Provided is a friction material composition comprising: a binder; a fibrous base material; an abrasive material; an inorganic filler; and an organic filler, wherein the friction material composition further comprises: at least one selected from the group consisting of zinc, a cellulose fiber as the fibrous base materials and a flame retardant fiber as the fibrous base materials; an iron-based fiber as the fibrous base material in an specified amount; and an inorganic abrasive material having a Mohs hardness of 8 or higher and a particle size of 1 ?m or larger as the abrasive material in an amount of 1 wt % or less.Type: ApplicationFiled: April 17, 2014Publication date: August 14, 2014Inventors: Mitsuo UNNO, Manabu Ono, Takashi Kikudome
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Publication number: 20140202805Abstract: Provided by the present invention are: a non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber substrate, wherein, in the non-asbestos frictional material composition, content of a copper is 5% or less by mass as a copper element, content of a metal fiber other than a copper fiber and a copper alloy fiber is 0.5% or less by mass, and a titanate salt is contained therein with antimony trisulfide or zinc powders, with content of the titanate salt being in the range of 10 to 35% by mass; and a frictional material and a friction member that use the said non-asbestos frictional material composition.Type: ApplicationFiled: June 6, 2012Publication date: July 24, 2014Inventors: Mitsuo Unno, Masamichi Mitsumoto, Kazuya Baba, Takashi Kikudome
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Publication number: 20130240310Abstract: A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with excellent shear strength, anti-crack properties, and abrasion resistance, even with the reduced content of copper. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 0.5 mass % or less as a copper element; a metal other than copper and copper alloy in a content of 0.5 mass % or less; an acrylic elastomer-dispersed phenol resin as the binder in a content of 7-15 mass %; and Ca(OH)2 and/or CaO as the inorganic filler in a content of 1-5 mass %.Type: ApplicationFiled: November 7, 2011Publication date: September 19, 2013Inventors: Kazuya Baba, Mitsuo Unno, Takashi Kikudome
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Publication number: 20130228403Abstract: A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with low environmental load and with excellent friction coefficient, anti-crack properties, and abrasion resistance compared with conventional ones. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; and mica and graphite with a particle size of 90 ?m or less but not containing graphite with a particle size of more than 90 ?m.Type: ApplicationFiled: November 7, 2011Publication date: September 5, 2013Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
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Publication number: 20130220748Abstract: A non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 0.5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; cashew dust in a content of 3.5-10.0, wollastonite, and mica. The non-asbestos frictional material composition can provide a frictional material with excellent friction coefficient, anti-crack properties, and abrasion resistance even with the reduced content of copper and a copper fiber possibly causing environmental pollution. The frictional material and the friction member are formed by using the above-mentioned non-asbestos frictional material composition.Type: ApplicationFiled: November 7, 2011Publication date: August 29, 2013Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome
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Publication number: 20130220746Abstract: The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; iron powder and tin powder as the inorganic filler in a total content of 1-12 mass %. The non-asbestos frictional material composition can provide a frictional material with excellent friction coefficient, anti-crack properties, and abrasion resistance even with the reduced content of copper and a copper fiber that possibly cause environmental pollution. The frictional material and the friction member are formed by using the above-mentioned non-asbestos frictional material composition.Type: ApplicationFiled: November 7, 2011Publication date: August 29, 2013Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome