Patents by Inventor Susumu Okuno
Susumu Okuno 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: 10875101Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a hard coating layer constituted of a domain region and a matrix region, the domain region is a region having a plurality of portions divided and distributed in the matrix region, the domain region has a structure in which a first layer composed of a first Alx1Ti(1-x1) compound and a second layer composed of a second Alx2Ti(1-x2) compound are layered on each other, the matrix region has a structure in which a third layer composed of a third Alx3Ti(1-x3) compound and a fourth layer composed of a fourth Alx4Ti(1-x4) compound are layered on each other, the first AlTi compound and the second AlTi compound have a cubic crystal structure, the third AlTi compound and the fourth AlTi compound have a cubic crystal structure.Type: GrantFiled: December 27, 2018Date of Patent: December 29, 2020Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Yasuki Kido, Susumu Okuno, Shinya Imamura
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Publication number: 20200376566Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a hard coating layer constituted of a domain region and a matrix region, the domain region is a region having a plurality of portions divided and distributed in the matrix region, the domain region has a structure in which a first layer composed of a first Alx1Ti(1-x1) compound and a second layer composed of a second Alx2Ti(1-x2) compound are layered on each other, the matrix region has a structure in which a third layer composed of a third Alx3Ti(1-x3) compound and a fourth layer composed of a fourth Alx4Ti(1-x4) compound are layered on each other, the first AlTi compound and the third AlTi compound have a hexagonal crystal structure, the second AlTi compound and the fourth AlTi compound have a cubic crystal structure.Type: ApplicationFiled: December 27, 2018Publication date: December 3, 2020Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack PASEUTH, Yasuki KIDO, Susumu OKUNO, Shinya IMAMURA
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Publication number: 20200370173Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a hard coating layer constituted of a domain region and a matrix region, the domain region is a region having a plurality of portions divided and distributed in the matrix region, the domain region has a structure in which a first layer composed of a first Alx1Ti(1-x1) compound and a second layer composed of a second Alx2Ti(1-x2) compound are layered on each other, the matrix region has a structure in which a third layer composed of a third Alx3Ti(1-x3) compound and a fourth layer composed of a fourth Alx4Ti(1-x4) compound are layered on each other.Type: ApplicationFiled: December 27, 2018Publication date: November 26, 2020Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Yasuki KIDO, Anongsack PASEUTH, Susumu OKUNO, Shinya IMAMURA
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Publication number: 20200361002Abstract: A surface-coated cutting tool includes a base material and a coating covering the base material. The base material includes a rake face and a flank face. The coating includes a TiCN layer. The TiCN layer has a (422) orientation in a region d1 in the rake face. The TiCN layer has a (311) orientation in a region d2 in the flank face.Type: ApplicationFiled: December 14, 2018Publication date: November 19, 2020Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Satoshi Ono, Shinya Imamura, Susumu Okuno, Anongsack Paseuth
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Publication number: 20200340106Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a hard coating layer constituted of a domain region and a matrix region, the domain region is a region having a plurality of portions divided and distributed in the matrix region, the domain region has a structure in which a first layer composed of a first Alx1Ti(1-x1) compound and a second layer composed of a second Alx2Ti(1-x2) compound are layered on each other, the matrix region has a structure in which a third layer composed of a third Alx3Ti(1-x3) compound and a fourth layer composed of a fourth Alx4Ti(1-x4) compound are layered on each other, the first AlTi compound, the second AlTi compound and the fourth AlTi compound have a cubic crystal structure, the third AlTi compound has a hexagonal crystal structure.Type: ApplicationFiled: December 27, 2018Publication date: October 29, 2020Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack PASEUTH, Yasuki KIDO, Susumu OKUNO, Shinya IMAMURA
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Publication number: 20200338646Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a hard coating layer constituted of a domain region and a matrix region, the domain region is a region having a plurality of portions divided and distributed in the matrix region, the domain region has a structure in which a first layer composed of a first Alx1Ti(1?x1) compound and a second layer composed of a second Alx2Ti(1?x2) compound are layered on each other, the matrix region has a structure in which a third layer composed of a third Alx3Ti(1?x3) compound and a fourth layer composed of a fourth Alx4Ti(1?x4) compound are layered on each other, the first AlTi compound and the second AlTi compound have a cubic crystal structure, the third AlTi compound and the fourth AlTi compound have a cubic crystal structure.Type: ApplicationFiled: December 27, 2018Publication date: October 29, 2020Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack PASEUTH, Yasuki KIDO, Susumu OKUNO, Shinya IMAMURA
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Publication number: 20200298317Abstract: A surface-coated cutting tool includes a base material and a coating covering the base material. The base material includes a rake face and a flank face. The coating includes a TiCN layer. The TiCN layer has a (311) orientation in a region d1 in the rake face. The TiCN layer has a (422) orientation in a region d2 in the flank face.Type: ApplicationFiled: December 14, 2018Publication date: September 24, 2020Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Satoshi Ono, Shinya Imamura, Susumu Okuno, Anongsack Paseuth
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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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Patent number: 9994958Abstract: A coating is formed from one layer or two or more layers, at least one of the layers includes a multi-layer structure in which a first unit layer composed of TiN and a second unit layer composed of Ti1-xAlxN are alternately stacked, the first unit layer has an fcc crystal structure, and the second unit layer has an fcc crystal structure, X in Ti1-xAlxN being not smaller than 0.6 and not greater than 0.9.Type: GrantFiled: January 20, 2016Date of Patent: June 12, 2018Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Anongsack Paseuth, Hideaki Kanaoka, Susumu Okuno
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Patent number: 9920423Abstract: Provided is a surface-coated cutting tool having both high wear resistance and high fracture resistance and having an indicator function that significantly facilitates the determination of the usage of a cutting edge. A surface-coated cutting tool according to an embodiment of the present invention includes a substrate and a coating formed on the substrate. The coating includes a plurality of layers. A surface layer of the plurality of layers is a titanium boride layer made of TixBy (where x and y are expressed as atomic percentages and satisfy 1.5<y/x<2.5) and has a compressive residual stress of 0.1 GPa or more in absolute value.Type: GrantFiled: January 29, 2014Date of Patent: March 20, 2018Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Hideaki Kanaoka, Anongsack Paseuth, Susumu Okuno, Takahiro Ichikawa
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Patent number: 9777367Abstract: A surface coated member having improved stability and a longer service life is provided. The surface coated member of the present invention 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 of the layers is formed by a CVD method and includes a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound containing Ti and one or more kind of element selected from the group consisting of B, C, N, and O. The second unit layer includes a second compound containing Al and one or more kind of element selected from the group consisting of B, C, N, and O.Type: GrantFiled: November 1, 2013Date of Patent: October 3, 2017Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Kazuo Yamagata, Susumu Okuno, Hideaki Kanaoka, Hiroyuki Morimoto, Minoru Itoh
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Publication number: 20170204513Abstract: A coating is formed from one layer or two or more layers, at least one of the layers includes a multi-layer structure in which a first unit layer composed of TiN and a second unit layer composed of Ti1-xAlxN are alternately stacked, the first unit layer has an fcc crystal structure, and the second unit layer has an fcc crystal structure, X in Ti1-xAlxN being not smaller than 0.6 and not greater than 0.9.Type: ApplicationFiled: January 20, 2016Publication date: July 20, 2017Inventors: Anongsack Paseuth, Hideaki Kanaoka, Susumu Okuno
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Patent number: 9457407Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material, the coating includes one or two or more layers, a layer among these layers that abuts on the base material is a TiN layer, the TiN layer contains at least one element together with TiN, the element has a concentration distribution in a thickness direction of the TiN layer, and the concentration distribution includes a region where the concentration of the element decreases in a direction from the base material toward a surface of the coating.Type: GrantFiled: April 11, 2013Date of Patent: October 4, 2016Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Shinya Imamura, Takahiro Ichikawa, Susumu Okuno, Hideaki Kanaoka, Keiichi Tsuda
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Patent number: 9381575Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer has TC (100) that shows a maximum value in an orientation index TC (hkl), or has a ratio I (100)/I (101) of 1.2 or more between an X-ray diffraction intensity I (100) of a (100) plane and an X-ray diffraction intensity I (101) of a (101) plane.Type: GrantFiled: August 10, 2012Date of Patent: July 5, 2016Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Anongsack Paseuth, Susumu Okuno, Hideaki Kanaoka, Erika Iwai, Takahiro Ichikawa
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Patent number: 9243323Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the first region than in the second region.Type: GrantFiled: June 27, 2013Date of Patent: January 26, 2016Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Keiichi Tsuda, Susumu Okuno, Hideaki Kanaoka, Takahiro Ichikawa, Hiroyuki Morimoto, Minoru Itoh
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Publication number: 20160002772Abstract: Provided is a surface-coated cutting tool having both high wear resistance and high fracture resistance and having an indicator function that significantly facilitates the determination of the usage of a cutting edge. A surface-coated cutting tool according to an embodiment of the present invention includes a substrate and a coating formed on the substrate. The coating includes a plurality of layers. A surface layer of the plurality of layers is a titanium boride layer made of TixBy (where x and y are expressed as atomic percentages and satisfy 1.5<y/x<2.5) and has a compressive residual stress of 0.1 GPa or more in absolute value.Type: ApplicationFiled: January 29, 2014Publication date: January 7, 2016Inventors: Hideaki Kanaoka, Anongsack Paseuth, Susumu Okuno, Takahiro Ichikawa
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Patent number: 9216456Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the second region than in the first region.Type: GrantFiled: June 27, 2013Date of Patent: December 22, 2015Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Keiichi Tsuda, Susumu Okuno, Hideaki Kanaoka, Takahiro Ichikawa, Hiroyuki Morimoto, Minoru Itoh
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Publication number: 20150345013Abstract: 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: November 11, 2013Publication date: December 3, 2015Inventors: Anongsack PASEUTH, Kazuo YAMAGATA, Susumu OKUNO, Hideaki KANAOKA, Hiroyuki MORIMOTO, Minoru ITOH
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Publication number: 20150345012Abstract: A surface coated member having improved stability and a longer service life is provided. The surface coated member of the present invention 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 of the layers is formed by a CVD method and includes a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound containing Ti and one or more kind of element selected from the group consisting of B, C, N, and O. The second unit layer includes a second compound containing Al and one or more kind of element selected from the group consisting of B, C, N, and O.Type: ApplicationFiled: November 1, 2013Publication date: December 3, 2015Inventors: Anongsack PASEUTH, Kazuo YAMAGATA, Susumu OKUNO, Hideaki KANAOKA, Hiroyuki MORIMOTO, Minoru ITOH
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Publication number: 20150258611Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the second region than in the first region.Type: ApplicationFiled: June 27, 2013Publication date: September 17, 2015Inventors: Anongsack Paseuth, Keiichi Tsuda, Susumu Okuno, Hideaki Kanaoka, Takahiro Ichikawa, Hiroyuki Morimoto, Minoru Itoh