Patents by Inventor Hideaki Kanaoka
Hideaki Kanaoka 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: 11591695Abstract: A surface coated member having improved stability and a longer service life is provided. The surface coated member includes a base member and a hard coating formed on a surface thereof. The hard coating is constituted of one or more layers. At least one layer among the layers is a layer including hard particles. The hard particles include a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound. The second unit layer includes a second compound. The first compound and the second compound are respectively made of one or more kind of element selected from the group consisting of a group 4 element, a group 5 element, a group 6 element of a periodic table, and Al, and one or more kind of element selected from the group consisting of B, C, N, and O.Type: GrantFiled: October 9, 2019Date of Patent: February 28, 2023Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Kazuo Yamagata, Susumu Okuno, Hideaki Kanaoka, Hiroyuki Morimoto, Minoru Itoh
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Patent number: 11220760Abstract: A surface-coated cutting tool includes a base material and a coating formed on a surface of the base material. The coating includes a first hard coating layer including crystal grains having a sodium chloride-type crystal structure. The crystal grain has a layered structure in which a first layer composed of nitride or carbonitride of AlxTi1-x and a second layer composed of nitride or carbonitride of AlyTi1-y are stacked alternately into one or more layers. The first layer each has an atomic ratio x of Al varying in a range of 0.6 or more to less than 1. The second layer each has an atomic ratio y of Al varying in a range of 0.45 or more to less than 0.6. The largest value of difference between the atomic ratio x and the atomic ratio y is 0.05?x?y?0.5.Type: GrantFiled: November 7, 2018Date of Patent: January 11, 2022Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
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Patent number: 11020805Abstract: A cutting tool includes a base material. The base material is a cemented carbide or a cermet. A surface of the base material includes a rake face, a flank face, and a cutting edge face connecting the rake face to the flank face. The base material has an oxygen concentration of less than or equal to 1 at. % at a depth position of 0.4 ?m from the cutting edge face.Type: GrantFiled: May 25, 2017Date of Patent: June 1, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth, Satoshi Ono, Kouhei Yoshimura
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Patent number: 11014169Abstract: A surface-coated cutting tool having a rake face and a flank face includes a base material and a coating formed on the base material. The base material is a cemented carbide or a cermet. The coating includes an aluminum oxide layer containing a plurality of aluminum oxide crystal grains. The aluminum oxide layer includes: a first region made up of a region A on the rake face and a region B on the flank face; a second region on the rake face except for the region A; and a third region on the flank face except for the region B. The aluminum oxide layer satisfies a relation: b?a>0.5, where a is an average value of TC(110) in the first region in texture coefficient TC(hkl), and b is an average value of TC(110) in the second or third region in texture coefficient TC(hkl).Type: GrantFiled: April 25, 2017Date of Patent: May 25, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Satoshi Ono, Kouhei Yoshimura
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Patent number: 10994340Abstract: A surface-coated cutting tool includes a base material and a coating formed on the base material. The base material is a cemented carbide or a cermet. A surface of the base material includes a rake face, a flank face, and a cutting edge face connecting the rake face to the flank face. The base material has an oxygen concentration of less than or equal to 1 at. % at a depth position of 0.4 ?m from the cutting edge face. The coating includes a hard layer. A topmost layer in the hard layer has a compressive stress of more than or equal to 1.5 GPa in absolute value.Type: GrantFiled: May 25, 2017Date of Patent: May 4, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth, Satoshi Ono, Kouhei Yoshimura
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Patent number: 10994338Abstract: A surface-coated cutting tool has a rake face and a flank face, and includes a base material and a coating formed on the base material. The base material has a cutting edge face connecting the rake face to the flank face. The coating includes an aluminum oxide layer containing a plurality of aluminum oxide crystal grains. The aluminum oxide layer includes: a first region made up of a region A on the rake face and a region B on the flank face; a second region on the rake face except for the region A; and a third region on the flank face except for the region B. The aluminum oxide layer satisfies a relation: b?a>0.5, where a is an average value of TC(006) in the first region in texture coefficient TC(hkl), and b is an average value of TC(006) in the second or third region in texture coefficient TC(hkl).Type: GrantFiled: April 25, 2017Date of Patent: May 4, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Satoshi Ono, Kouhei Yoshimura
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Patent number: 10987738Abstract: A surface-coated cutting tool includes a substrate and a coating that is disposed on the substrate and formed so as to cover at least a portion of a flank face, in which the coating includes an inner layer and an outer layer formed on the inner layer, the inner layer is formed of at least one layer and includes an aluminum oxide layer as a layer in contact with the outer layer, the outer layer has a multilayer structure that includes three or more layers stacked on top of one another, and each of the layers that constitute the multilayer structure contains titanium.Type: GrantFiled: February 17, 2017Date of Patent: April 27, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Yuta Koyoshi, Satoshi Ono, Kouhei Yoshimura
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Patent number: 10953473Abstract: A surface-coated cutting tool includes a base material and a coating. A hard layer in the coating includes a plurality of crystal grains having a sodium chloride-type crystal structure. The crystal grain has a layered structure in which a first layer composed of nitride or carbonitride of AlxTi1-x and a second layer composed of nitride or carbonitride of AlyTi1-y are alternately stacked. The total thickness of the first layer and the second layer adjacent to each other is 3 nm or more and 40 nm or less. An angle of intersection between a normal direction to (111) plane that is a crystal plane of the crystal grain and the normal direction to the surface of the base material, an area ratio of the crystal grains having the angle of intersection of 0 degree or more to less than 10 degrees is 40% or more.Type: GrantFiled: June 22, 2016Date of Patent: March 23, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
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Publication number: 20200180037Abstract: A surface-coated cutting tool has a rake face and a flank face, and includes a base material and a coating formed on the base material. The base material has a cutting edge face connecting the rake face to the flank face. The coating includes an aluminum oxide layer containing a plurality of aluminum oxide crystal grains. The aluminum oxide layer includes: a first region made up of a region A on the rake face and a region B on the flank face; a second region on the rake face except for the region A; and a third region on the flank face except for the region B. The aluminum oxide layer satisfies a relation: b?a>0.5, where a is an average value of TC(006) in the first region in texture coefficient TC(hkl), and b is an average value of TC(006) in the second or third region in texture coefficient TC(hkl).Type: ApplicationFiled: April 25, 2017Publication date: June 11, 2020Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Satoshi Ono, Kouhei Yoshimura
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Patent number: 10654181Abstract: A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an ?-Al2O3 layer. The ?-Al2O3 layer contains a plurality of ?-Al2O3 crystal grains and chlorine, and has a TC(006) of more than 5 in texture coefficient TC(hkl). The ?-Al2O3 layer includes lower and upper layers, the lower layer is located closer to the base material than the upper layer is, and the upper layer is located opposite to the base material across the lower layer, in a thickness direction of the ?-Al2O3 layer. The lower layer has a thickness of 1.0 ?m. The upper layer has a thickness of 0.5 ?m or more. The chlorine in the lower layer has a concentration distribution in which an atomic concentration CCl of the chlorine decreases in a direction away from the base material, in a thickness direction of the lower layer.Type: GrantFiled: April 25, 2017Date of Patent: May 19, 2020Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Kouhei Yoshimura, Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth, Satoshi Ono
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Publication number: 20200040462Abstract: A surface coated member having improved stability and a longer service life is provided. The surface coated member includes a base member and a hard coating formed on a surface thereof. The hard coating is constituted of one or more layers. At least one layer among the layers is a layer including hard particles. The hard particles include a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound. The second unit layer includes a second compound. The first compound and the second compound are respectively made of one or more kind of element selected from the group consisting of a group 4 element, a group 5 element, a group 6 element of a periodic table, and Al, and one or more kind of element selected from the group consisting of B, C, N, and O.Type: ApplicationFiled: October 9, 2019Publication date: February 6, 2020Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Anongsack Paseuth, Kazuo YAMAGATA, Susumu OKUNO, Hideaki KANAOKA, Hiroyuki MORIMOTO, Minoru ITOH
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Publication number: 20190232380Abstract: A surface-coated cutting tool includes a substrate and a coating that is disposed on the substrate and formed so as to cover at least a portion of a flank face, in which the coating includes an inner layer and an outer layer formed on the inner layer, the inner layer is formed of at least one layer and includes an aluminum oxide layer as a layer in contact with the outer layer, the outer layer has a multilayer structure that includes three or more layers stacked on top of one another, and each of the layers that constitute the multilayer structure contains titanium.Type: ApplicationFiled: February 17, 2017Publication date: August 1, 2019Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Yuta Koyoshi, Satoshi Ono, Kouhei Yoshimura
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Publication number: 20190232385Abstract: A surface-coated cutting tool includes a base material and a coating formed on the base material. The base material is a cemented carbide or a cermet. A surface of the base material includes a rake face, a flank face, and a cutting edge face connecting the rake face to the flank face. The base material has an oxygen concentration of less than or equal to 1 at. % at a depth position of 0.4 ?m from the cutting edge face. The coating includes a hard layer. A topmost layer in the hard layer has a compressive stress of more than or equal to 1.5 GPa in absolute value.Type: ApplicationFiled: May 25, 2017Publication date: August 1, 2019Inventors: Shinya IMAMURA, Hideaki KANAOKA, Anongsack PASEUTH, Satoshi ONO, Kouhei YOSHIMURA
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Publication number: 20190210116Abstract: A surface-coated cutting tool having a rake face and a flank face includes a base material and a coating formed on the base material. The base material is a cemented carbide or a cermet. The coating includes an aluminum oxide layer containing a plurality of aluminum oxide crystal grains. The aluminum oxide layer includes: a first region made up of a region A on the rake face and a region B on the flank face; a second region on the rake face except for the region A; and a third region on the flank face except for the region B. The aluminum oxide layer satisfies a relation: b?a>0.5, where a is an average value of TC(110) in the first region in texture coefficient TC(hkl), and b is an average value of TC(110) in the second or third region in texture coefficient TC(hkl).Type: ApplicationFiled: April 25, 2017Publication date: July 11, 2019Inventors: Hideaki KANAOKA, Shinya IMAMURA, Anongsack PASEUTH, Satoshi ONO, Kouhei YOSHIMURA
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Publication number: 20190210117Abstract: A cutting tool includes a base material. The base material is a cemented carbide or a cermet. A surface of the base material includes a rake face, a flank face, and a cutting edge face connecting the rake face to the flank face. The base material has an oxygen concentration of less than or equal to 1 at. % at a depth position of 0.4 ?m from the cutting edge face.Type: ApplicationFiled: May 25, 2017Publication date: July 11, 2019Inventors: Shinya IMAMURA, Hideaki KANAOKA, Anongsack PASEUTH, Satoshi ONO, Kouhei YOSHIMURA
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Publication number: 20190151956Abstract: A surface-coated cutting tool includes a base material and a coating. A hard layer in the coating includes a plurality of crystal grains having a sodium chloride-type crystal structure. The crystal grain has a layered structure in which a first layer composed of nitride or carbonitride of AlxTi1-x and a second layer composed of nitride or carbonitride of AlyTi1-y are alternately stacked. The total thickness of the first layer and the second layer adjacent to each other is 3 nm or more and 40 nm or less. An angle of intersection between a normal direction to (111) plane that is a crystal plane of the crystal grain and the normal direction to the surface of the base material, an area ratio of the crystal grains having the angle of intersection of 0 degree or more to less than 10 degrees is 40% or more.Type: ApplicationFiled: June 22, 2016Publication date: May 23, 2019Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
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Patent number: 10259048Abstract: A surface-coated cutting tool includes a base material and a coating. A hard layer in the coating includes a plurality of crystal grains having a sodium chloride-type crystal structure. When the angle of intersection between the normal direction to (111) plane that is a crystal plane of the crystal grain and the normal direction to the surface of the base material is measured, a proportion A of the crystal grains having the angle of intersection of 0 degree or more to less than 20 degrees is 50% or more. The length of ?3 grain boundaries is less than 50% of the length of ?3-29 grain boundaries. The crystal grain has a layered structure in which a first layer and a second layer are alternately stacked. The total thickness of the first layer and the second layer adjacent to each other is 3 to 40 nm.Type: GrantFiled: June 22, 2016Date of Patent: April 16, 2019Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Hideaki Kanaoka, Satoshi Ono, Shinya Imamura
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Patent number: 10252343Abstract: A surface-coated cutting tool includes a base material and a coating formed on a surface of the base material. The coating includes a first hard coating layer including crystal grains having a sodium chloride-type crystal structure. The crystal grain has a layered structure in which a first layer composed of nitride or carbonitride of AlxTi1-x and a second layer composed of nitride or carbonitride of AlyTi1-y are stacked alternately into one or more layers. The first layer each has an atomic ratio x of Al varying in a range of 0.6 or more to less than 1. The second layer each has an atomic ratio y of Al varying in a range of 0.45 or more to less than 0.6. The largest value of difference between the atomic ratio x and the atomic ratio y is 0.05?x?y?0.5.Type: GrantFiled: June 7, 2016Date of Patent: April 9, 2019Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
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Publication number: 20190071792Abstract: A surface-coated cutting tool includes a base material and a coating formed on a surface of the base material. The coating includes a first hard coating layer including crystal grains having a sodium chloride-type crystal structure. The crystal grain has a layered structure in which a first layer composed of nitride or carbonitride of AlxTi1-x and a second layer composed of nitride or carbonitride of AlyTi1-y are stacked alternately into one or more layers. The first layer each has an atomic ratio x of Al varying in a range of 0.6 or more to less than 1. The second layer each has an atomic ratio y of Al varying in a range of 0.45 or more to less than 0.6. The largest value of difference between the atomic ratio x and the atomic ratio y is 0.05?x?y?0.5.Type: ApplicationFiled: November 7, 2018Publication date: March 7, 2019Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
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Patent number: 10166611Abstract: A cutting tool includes a base material and a coating formed on the base material. The coating includes a hard layer. The hard layer includes a plurality of crystal grains having a sodium chloride-type crystal structure. When the angle of intersection between the normal direction to (001) plane that is a crystal plane of the crystal grain and the normal direction to the surface of the base material is measured, a proportion A of the crystal grains having the angle of intersection of 0 degree or more to less than 20 degrees is 50% or more. The length of ?3 grain boundaries is 50% or more of the length of ?3-29 grain boundaries and is 1% or more and 30% or less of the total length of all boundaries that is the sum of the length of ?3-29 grain boundaries and the length of general boundaries.Type: GrantFiled: June 22, 2016Date of Patent: January 1, 2019Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Anongsack Paseuth, Satoshi Ono, Hideaki Kanaoka, Shinya Imamura