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).

  • Patent number: 10626934
    Abstract: 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: Grant
    Filed: December 12, 2017
    Date of Patent: April 21, 2020
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
  • Patent number: 10316918
    Abstract: 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: Grant
    Filed: May 23, 2016
    Date of Patent: June 11, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Mitsuo Unno, Masamichi MItsumoto, Kazuya Baba, Takashi Kikudome
  • Patent number: 10302165
    Abstract: 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: Grant
    Filed: November 7, 2011
    Date of Patent: May 28, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
  • Publication number: 20180112730
    Abstract: 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: Application
    Filed: December 12, 2017
    Publication date: April 26, 2018
    Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
  • Patent number: 9863493
    Abstract: 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: Grant
    Filed: November 7, 2011
    Date of Patent: January 9, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
  • Patent number: 9470283
    Abstract: 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: Grant
    Filed: June 6, 2012
    Date of Patent: October 18, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Mitsuo Unno, Masamichi Mitsumoto, Kazuya Baba, Takashi Kikudome
  • Patent number: 9464682
    Abstract: 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: Grant
    Filed: November 7, 2011
    Date of Patent: October 11, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome
  • Patent number: 9464683
    Abstract: 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: Grant
    Filed: November 7, 2011
    Date of Patent: October 11, 2016
    Assignee: Hitachi Chemical Company, LTD
    Inventors: Kazuya Baba, Mitsuo Unno, Takashi Kikudome
  • Publication number: 20160265612
    Abstract: 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: Application
    Filed: May 23, 2016
    Publication date: September 15, 2016
    Inventors: Mitsuo UNNO, Masamichi MITSUMOTO, Kazuya BABA, Takashi KIKUDOME
  • Patent number: 9441693
    Abstract: 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: Grant
    Filed: November 7, 2011
    Date of Patent: September 13, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome
  • Patent number: 9410591
    Abstract: 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: Grant
    Filed: September 24, 2014
    Date of Patent: August 9, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD
    Inventors: Mitsuo Unno, Manabu Ono, Takashi Kikudome
  • Patent number: 9086105
    Abstract: 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: Grant
    Filed: April 17, 2014
    Date of Patent: July 21, 2015
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Mitsuo Unno, Manabu Ono, Takashi Kikudome
  • Patent number: 9039825
    Abstract: 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: Grant
    Filed: August 6, 2009
    Date of Patent: May 26, 2015
    Assignee: Hitachi Chemical Co., Ltd.
    Inventors: Mitsuo Unno, Manabu Ono, Takashi Kikudome
  • Publication number: 20150008615
    Abstract: 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: Application
    Filed: September 24, 2014
    Publication date: January 8, 2015
    Inventors: Mitsuo UNNO, Manabu Ono, Takashi Kikudome
  • Publication number: 20140227541
    Abstract: 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: Application
    Filed: April 17, 2014
    Publication date: August 14, 2014
    Inventors: Mitsuo UNNO, Manabu Ono, Takashi Kikudome
  • Publication number: 20140202805
    Abstract: 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: Application
    Filed: June 6, 2012
    Publication date: July 24, 2014
    Inventors: Mitsuo Unno, Masamichi Mitsumoto, Kazuya Baba, Takashi Kikudome
  • Publication number: 20130240310
    Abstract: 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: Application
    Filed: November 7, 2011
    Publication date: September 19, 2013
    Inventors: Kazuya Baba, Mitsuo Unno, Takashi Kikudome
  • Publication number: 20130228403
    Abstract: 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: Application
    Filed: November 7, 2011
    Publication date: September 5, 2013
    Inventors: Takashi Kikudome, Mitsuo Unno, Kazuya Baba
  • Publication number: 20130220748
    Abstract: 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: Application
    Filed: November 7, 2011
    Publication date: August 29, 2013
    Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome
  • Publication number: 20130220746
    Abstract: 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: Application
    Filed: November 7, 2011
    Publication date: August 29, 2013
    Inventors: Mitsuo Unno, Kazuya Baba, Takashi Kikudome