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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Publication number: 20150064453Abstract: 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: ApplicationFiled: April 11, 2013Publication date: March 5, 2015Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Shinya Imamura, Takahiro Ichikawa, Susumu Okuno, Hideaki Kanaoka, Keiichi Tsuda
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Patent number: 8968866Abstract: A surface-coated cutting tool excellent in wear resistance is provided. The surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material. The coating includes an inner layer and an outer layer. The inner layer is a single layer or a multilayer stack constituted of two or more layers made of at least one element selected from the group consisting of group IVa elements, group Va elements, group VIa elements in the periodic table, Al, and Si, or a compound of at least one element selected from this group and at least one element selected from the group consisting of carbon, nitrogen, oxygen, and boron. The outer layer includes ?-aluminum oxide as a main component and exhibits an equivalent peak intensity PR(024) of a (024) plane of x-ray diffraction of larger than 1.3.Type: GrantFiled: December 5, 2011Date of Patent: March 3, 2015Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Chikako Kojima, Yoshio Okada, Hideaki Kanaoka, Hiroyuki Morimoto, Anongsack Paseuth, Erika Iwai
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Publication number: 20150037612Abstract: 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: ApplicationFiled: August 10, 2012Publication date: February 5, 2015Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Anongsack Paseuth, Susumu Okuno, Hideaki Kanaoka, Erika Iwai, Takahiro Ichikawa
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Patent number: 8945707Abstract: The surface-coated cutting tool of the present invention is characterized in that a region of 10 ?m in a surface of the base material from point a? to point b? has two to seven cracks with a width of not more than 200 nm, or two to ten pores are present per length of 10 ?m in the surface of the base material from point a? to point b?, where points a? and b? are points defined respectively by lines drawn perpendicularly from points a and b to the surface of the base material where point a is a position located away from an edge ridgeline toward a rake face by distance La and point b is a position located away from the edge ridgeline toward a flank face by distance Lb.Type: GrantFiled: December 5, 2011Date of Patent: February 3, 2015Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Hideaki Kanaoka, Yoshio Okada, Chikako Kojima, Anongsack Paseuth, Erika Iwai, Hiroyuki Morimoto
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Patent number: 8801817Abstract: A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiCN layer. The TiCN layer has a columnar crystal region. The columnar crystal region is characterized by having a composition of TiCxNy (in which 0.65?x/(x+y)?0.90) and having a (422) plane having a plane spacing of 0.8765 ? to 0.8790 ?.Type: GrantFiled: July 4, 2011Date of Patent: August 12, 2014Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Yoshio Okada, Hideaki Kanaoka, Chikako Kojima, Erika Iwai
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Patent number: 8741428Abstract: A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiCN layer. The TiCN layer has a columnar crystal region. The columnar crystal region is characterized by having a composition of TiCxNy(in which 0.65?x/(x+y)?0.90), having a (422) plane having a plane spacing of 0.8765 ? to 0.8790 ? and having TC (220) showing a maximum value in an orientation index TC (hkl).Type: GrantFiled: July 4, 2011Date of Patent: June 3, 2014Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Yoshio Okada, Chikako Kojima, Hideaki Kanaoka, Erika Iwai, Hiroyuki Morimoto
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Patent number: 8715838Abstract: Wear resistance and chipping resistance are both highly established for a surface-coated cutting tool. The surface-coated cutting tool of the present invention includes a base material and a coat film formed on the base material. A first coat layer at a chamfer portion has residual stress that exhibits a minimal value at a depth A within 2 ?m from the surface, and that is greater than or equal to ?7 GPa and less than or equal to ?1 GPa.Type: GrantFiled: June 10, 2011Date of Patent: May 6, 2014Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Yoshio Okada, Minoru Itoh, Hideaki Kanaoka, Chie Suzuki, Anongsack Paseuth
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Publication number: 20130279998Abstract: A surface-coated cutting tool excellent in wear resistance is provided. The surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material. The coating includes an inner layer and an outer layer. The inner layer is a single layer or a multilayer stack constituted of two or more layers made of at least one element selected from the group consisting of group IVa elements, group Va elements, group VIa elements in the periodic table, Al, and Si, or a compound of at least one element selected from this group and at least one element selected from the group consisting of carbon, nitrogen, oxygen, and boron. The outer layer includes ?-aluminum oxide as a main component and exhibits an equivalent peak intensity PR(024) of a (024) plane of x-ray diffraction of larger than 1.3.Type: ApplicationFiled: December 5, 2011Publication date: October 24, 2013Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Chikako Kojima, Yoshio Okada, Hideaki Kanaoka, Hiroyuki Morimoto, Anongsack Paseuth, Erika Iwai
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Publication number: 20130164527Abstract: A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiCN layer. The TiCN layer has a columnar crystal region. The columnar crystal region is characterized by having a composition of TiCxNy (in which 0.65?x/(x+y) 0.90), having a (422) plane having a plane spacing of 0.8765 ? to 0.8790 ? and having TC (220) showing a maximum value in an orientation index TC (hkl).Type: ApplicationFiled: July 4, 2011Publication date: June 27, 2013Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Yoshio Okada, Chikako Kojima, Hideaki Kanaoka, Erika Iwai, Hiroyuki Morimoto
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Publication number: 20130152481Abstract: A surface coated cutting tool with a high level of both wear resistance and defect resistance in balance is provided. The surface coated cutting tool of the present invention includes a base material, and a coat film formed on the base material. The coat film includes at least one titanium carbonitride layer. The titanium carbonitride layer has a maximum value for an orientational index TC (220) among texture coefficients TC (hkl). When an indentation hardness of a standard block for hardness is Hs and an indentation hardness of the titanium carbonitride layer is Ht, the average value of the relative hardness Ht/Hs for a plurality of times of measurement is greater than or equal to 3. The difference between the maximum value Htmax/Hs and minimum value Htmin/Hs of the relative hardness of the titanium carbonitride layer to the relative hardness Ht/Hs is less than or equal to 0.5.Type: ApplicationFiled: July 5, 2011Publication date: June 20, 2013Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Minoru Itoh, Yoshio Okada, Hideaki Kanaoka, Chie Suzuki
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Patent number: 8465828Abstract: A surface-coated cutting tool having excellent abrasion resistance and defect resistance is provided. The surface-coated cutting tool includes a substrate and a covering layer, wherein the covering layer includes one or two or more sublayers, a thickness T1 of a portion of the covering layer having the smallest thickness in a cutting edge line portion and a thickness T2 of the covering layer at a point 1 mm away from a cutting edge line in a rake face direction in a cross section cut by a particular plane satisfy T1<T2, and a point a on the surface of the covering layer a distance Da away from the cutting edge line in the rake face direction and a point b on the surface of the covering layer a distance Db away from the cutting edge line in a flank face direction satisfy particularly numerical ranges of Da and Db, and in 10% or more of a region E of the covering layer having a thickness in the range of 0.1 T1 to 0.Type: GrantFiled: April 4, 2011Date of Patent: June 18, 2013Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Hideaki Kanaoka, Minoru Itoh, Yoshio Okada, Chie Suzuki, Anongsack Paseuth
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Publication number: 20130101365Abstract: The surface-coated cutting tool of the present invention is characterized in that a region of 10 ?m in a surface of the base material from point a? to point b? has two to seven cracks with a width of not more than 200 nm, or two to ten pores are present per length of 10 ?m in the surface of the base material from point a? to point b?, where points a? and b? are points defined respectively by lines drawn perpendicularly from points a and b to the surface of the base material where point a is a position located away from an edge ridgeline toward a rake face by distance La and point b is a position located away from the edge ridgeline toward a flank face by distance Lb.Type: ApplicationFiled: December 5, 2011Publication date: April 25, 2013Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Hideaki Kanaoka, Yoshio Okada, Chikako Kojima, Anongsack Paseuth, Erika Iwai, Hiroyuki Morimoto
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Publication number: 20130045057Abstract: A surface-coated cutting tool excellent in wear resistance is provided. The surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material. The coating includes an inner layer and an outer layer. The inner layer is a single layer or a multilayer stack constituted of two or more layers made of at least one element selected from the group consisting of group IVa elements, group Va elements, group VIa elements in the periodic table, Al, and Si, or a compound of at least one element selected from this group and at least one element selected from the group consisting of carbon, nitrogen, oxygen, and boron. The outer layer includes ?-aluminum oxide as a main component and exhibits an equivalent peak intensity PR(024) of a (024) plane of x-ray diffraction of larger than 1.3.Type: ApplicationFiled: December 5, 2011Publication date: February 21, 2013Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Chikako Kojima, Yoshio Okada, Hideaki Kanaoka, Hiroyuki Morimoto, Anongsack Paseuth, Erika Iwai
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Publication number: 20120282049Abstract: Wear resistance and chipping resistance are both highly established for a surface-coated cutting tool. The surface-coated cutting tool of the present invention includes a base material and a coat film formed on the base material. A first coat layer at a chamfer portion has residual stress that exhibits a minimal value at a depth A within 2 ?m from the surface, and that is greater than or equal to ?7 GPa and less than or equal to ?1 GPa.Type: ApplicationFiled: June 10, 2011Publication date: November 8, 2012Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Yoshio Okada, Minoru Itoh, Hideaki Kanaoka, Chie Suzuki, Anongsack Paseuth
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Publication number: 20120275870Abstract: A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiCN layer. The TiCN layer has a columnar crystal region. The columnar crystal region is characterized by having a composition of TiCxNy (in which 0.65?x/(x+y)?0.90) and having a (422) plane having a plane spacing of 0.8765 ? to 0.8790 ?.Type: ApplicationFiled: July 4, 2011Publication date: November 1, 2012Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Yoshio Okada, Hideaki Kanaoka, Chikako Kojima, Erika Iwai
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Publication number: 20120270037Abstract: A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiCN layer. The TiCN layer has a columnar crystal region. The columnar crystal region is characterized by having a composition of TiCxNy (in which 0.65?x/(x+y) 0.90), having a (422) plane having a plane spacing of 0.8765 ? to 0.8790 ? and having TC (220) showing a maximum value in an orientation index TC (hkl).Type: ApplicationFiled: July 4, 2011Publication date: October 25, 2012Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Anongsack Paseuth, Yoshio Okada, Chikako Kojima, Hideaki Kanaoka, Erika Iwai, Hiroyuki Morimoto
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Publication number: 20120231227Abstract: A surface-coated cutting tool having excellent abrasion resistance and defect resistance is provided. The surface-coated cutting tool includes a substrate and a covering layer, wherein the covering layer includes one or two or more sublayers, a thickness T1 of a portion of the covering layer having the smallest thickness in a cutting edge line portion and a thickness T2 of the covering layer at a point 1 mm away from a cutting edge line in a rake face direction in a cross section cut by a particular plane satisfy T1<T2, and a point a on the surface of the covering layer a distance Da away from the cutting edge line in the rake face direction and a point b on the surface of the covering layer a distance Db away from the cutting edge line in a flank face direction satisfy particularly numerical ranges of Da and Db, and in 10% or more of a region E of the covering layer having a thickness in the range of 0.1 T1 to 0.Type: ApplicationFiled: April 4, 2011Publication date: September 13, 2012Applicant: Sumitomo Electric Hardmetal Corp.Inventors: Hideaki Kanaoka, Minoru Itoh, Yoshio Okada, Chie Suzuki, Anongsack Paseuth