Patents by Inventor Kazuya Baba
Kazuya Baba 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: 12214703Abstract: A conveyance seat capable of suppressing wrinkles or saggings from occurring on a surface of a seat main body is provided. A conveyance seat includes a seat back and a movable body which is attached inside the seat back, is disposed at an outer position in relation to a center portion of the seat back, and is operated so that a side portion of the seat back protrudes toward a seated occupant side (seat front side). The movable body is disposed on a back surface of a cushion material in the side portion. An end portion (rear end portion) on the side opposite to the seated occupant side of the movable body is disposed on the seated occupant side (seat front side) in relation to a seating surface of the center portion of the seat back.Type: GrantFiled: July 30, 2021Date of Patent: February 4, 2025Assignee: TS TECH CO., LTD.Inventors: Takanori Yamaguchi, Masahito Tashiro, Katsuya Kawata, Kazuya Miyawaki, Heehyeok Park, Kenta Kikuchi, Naoto Yamauchi, Naoya Matsumoto, Hiroyuki Kaku, Hiroshi Baba, Jinichi Tanabe
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Patent number: 11649869Abstract: There are provided a friction material composition containing no copper or having a reduced content of copper that can provide a friction material in which the stability of the friction coefficient after standing in a cold environment, the abrasion resistance, and the low rust fixation properties are excellent, and squeal (particularly low temperature squeal) is suppressed, and a friction material obtained by molding the friction material composition, and a friction member using the friction material. The friction material composition is specifically a friction material composition comprising a bonding material, an organic filler, an inorganic filler, and a fiber substrate, in which the friction material composition comprises no copper, or has a content of copper of less than 0.5% by mass in terms of a copper element even if comprising the copper, and comprises, as the organic filler, cashew particles to which a silicone resin adheres.Type: GrantFiled: March 6, 2017Date of Patent: May 16, 2023Assignee: RESONAC CORPORATIONInventors: Kazuya Baba, Teruyuki Nagayoshi, Yuichi Fukuzawa
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Publication number: 20200332851Abstract: There are provided a friction member in which both shear strength at normal temperature and high temperature and crack resistance can be satisfied, the disk rotor-attacking properties are low, and the vibration damping properties are high, and brake squeal is less likely to occur, and a friction material composition for an underlay material with which the friction member is obtained, and a friction material. The friction member is more specifically a friction member comprising an overlay material, an underlay material, and a back metal in this order, wherein the underlay material comprises fibrous wollastonite, an average fiber length of the fibrous wollastonite is 100 to 850 ?m, and an aspect ratio (average fiber length/average fiber diameter) of the fibrous wollastonite is 8 or more.Type: ApplicationFiled: October 26, 2017Publication date: October 22, 2020Applicant: HITACHI CHEMICAL COMPANY, LTD.Inventors: Yoshihisa TAKAHASHI, Kazuya BABA
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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: 10570975Abstract: Provided is a friction material composition including: a binder; an organic filler; an inorganic filler; and a fiber substrate, in which a content of copper as an element is 0.5% by mass or less, the friction material composition contains at least one of phlogopite or biotite in a total of from 3% by mass to 9% by mass, and a graphite in an amount of from 2% by mass to 6% by mass, as the inorganic fillers, the at least one of phlogopite or biotite has an average particle size of from 340 ?m to 1,500 ?m, and the graphite has an average particle size of from 450 ?m to 1,100 ?m.Type: GrantFiled: January 27, 2016Date of Patent: February 25, 2020Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Kazuya Baba, Teruyuki Nagayoshi
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Publication number: 20200032868Abstract: There are provided a friction material composition containing no copper or having a reduced content of copper that can provide a friction material in which the stability of the friction coefficient after standing in a cold environment, the abrasion resistance, and the low rust fixation properties are excellent, and squeal (particularly low temperature squeal) is suppressed, and a friction material obtained by molding the friction material composition, and a friction member using the friction material. The friction material composition is specifically a friction material composition comprising a bonding material, an organic filler, an inorganic filler, and a fiber substrate, in which the friction material composition comprises no copper, or has a content of copper of less than 0.5% by mass in terms of a copper element even if comprising the copper, and comprises, as the organic filler, cashew particles to which a silicone resin adheres.Type: ApplicationFiled: March 6, 2017Publication date: January 30, 2020Inventors: Kazuya BABA, Teruyuki NAGAYOSHI, Yuichi FUKUZAWA
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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: 20190024744Abstract: Provided is a friction material composition including: a binder; an organic filler; an inorganic filler; and a fiber substrate, in which a content of copper as an element is 0.5% by mass or less, the friction material composition contains at least one of phlogopite or biotite in a total of from 3% by mass to 9% by mass, and a graphite in an amount of from 2% by mass to 6% by mass, as the inorganic fillers, the at least one of phlogopite or biotite has an average particle size of from 340 ?m to 1,500 ?m, and the graphite has an average particle size of from 450 ?m to 1,100 ?m.Type: ApplicationFiled: January 27, 2016Publication date: January 24, 2019Inventors: Kazuya BABA, Teruyuki NAGAYOSHI
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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: 9812803Abstract: A socket includes power-supply blade receivers and a grounding blade receiver for retaining power-supply plug blades and a grounding plug blade of a plug, respectively. Each of the power-supply blade receivers includes a power-supply retaining portion and a power-supply contact portion. The grounding blade receiver includes a grounding retaining portion and a grounding contact portion which is installed further on the upstream side in the insertion direction of the plug than a position which is spaced away from the power-supply contact portion to the downstream side in the insertion direction by less than the certain distance. The grounding retaining portion is spaced away by the certain distance or more from the power-supply retaining portion to the downstream side in the insertion direction.Type: GrantFiled: January 15, 2016Date of Patent: November 7, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroyuki Toyoda, Satoru Tanaka, Kiwamu Shibata, Noboru Hashimoto, 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: 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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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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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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Publication number: 20160226172Abstract: A socket includes power-supply blade receivers and a grounding blade receiver for retaining power-supply plug blades and a grounding plug blade of a plug, respectively. Each of the power-supply blade receivers includes a power-supply retaining portion and a power-supply contact portion. The grounding blade receiver includes a grounding retaining portion and a grounding contact portion which is installed further on the upstream side in the insertion direction of the plug than a position which is spaced away from the power-supply contact portion to the downstream side in the insertion direction by less than the certain distance. The grounding retaining portion is spaced away by the certain distance or more from the power-supply retaining portion to the downstream side in the insertion direction.Type: ApplicationFiled: January 15, 2016Publication date: August 4, 2016Inventors: Hiroyuki TOYODA, Satoru TANAKA, Kiwamu SHIBATA, Noboru HASHIMOTO, Kazuya BABA
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Publication number: 20150005151Abstract: There are provided a carbon fiber composite material having higher strength than conventional carbon fiber composite materials, and a brake member, a structural member for semiconductor, a heat resistant panel and a heat sink, all of which use this carbon fiber composite material. The carbon fiber composite material is obtained by mixing carbon fiber with a resin, subsequently molding the mixture and carbonizing the molded product, and subjecting the resultant carbonized product to melt impregnation with silicon, in which the lattice spacing d002 of the carbon (002) plane of the carbon fiber as measured by an X-ray diffraction method is 3.36 to 3.43. A brake member, a structural member for semiconductor, a heat resistant panel and a heat sink, all of which use this carbon fiber composite material, are provided. The carbon fiber is preferably a carbon fiber obtained by calcining a pitch-derived precursor.Type: ApplicationFiled: February 18, 2011Publication date: January 1, 2015Inventors: Kazuya BABA, Kazuyuki Akasaka
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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