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).

  • Publication number: 20200180037
    Abstract: 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: Application
    Filed: April 25, 2017
    Publication date: June 11, 2020
    Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Satoshi Ono, Kouhei Yoshimura
  • Patent number: 10654181
    Abstract: 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: Grant
    Filed: April 25, 2017
    Date of Patent: May 19, 2020
    Assignee: Sumitomo Electric Hardmetal Corp.
    Inventors: Kouhei Yoshimura, Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth, Satoshi Ono
  • Publication number: 20200040462
    Abstract: 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: Application
    Filed: October 9, 2019
    Publication date: February 6, 2020
    Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Anongsack Paseuth, Kazuo YAMAGATA, Susumu OKUNO, Hideaki KANAOKA, Hiroyuki MORIMOTO, Minoru ITOH
  • Publication number: 20190232380
    Abstract: 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: Application
    Filed: February 17, 2017
    Publication date: August 1, 2019
    Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Yuta Koyoshi, Satoshi Ono, Kouhei Yoshimura
  • Publication number: 20190232385
    Abstract: 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: Application
    Filed: May 25, 2017
    Publication date: August 1, 2019
    Inventors: Shinya IMAMURA, Hideaki KANAOKA, Anongsack PASEUTH, Satoshi ONO, Kouhei YOSHIMURA
  • Publication number: 20190210116
    Abstract: 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: Application
    Filed: April 25, 2017
    Publication date: July 11, 2019
    Inventors: Hideaki KANAOKA, Shinya IMAMURA, Anongsack PASEUTH, Satoshi ONO, Kouhei YOSHIMURA
  • Publication number: 20190210117
    Abstract: 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: Application
    Filed: May 25, 2017
    Publication date: July 11, 2019
    Inventors: Shinya IMAMURA, Hideaki KANAOKA, Anongsack PASEUTH, Satoshi ONO, Kouhei YOSHIMURA
  • Publication number: 20190151956
    Abstract: 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: Application
    Filed: June 22, 2016
    Publication date: May 23, 2019
    Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
  • Patent number: 10259048
    Abstract: 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: Grant
    Filed: June 22, 2016
    Date of Patent: April 16, 2019
    Assignee: Sumitomo Electric Hardmetal Corp.
    Inventors: Anongsack Paseuth, Hideaki Kanaoka, Satoshi Ono, Shinya Imamura
  • Patent number: 10252343
    Abstract: 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: Grant
    Filed: June 7, 2016
    Date of Patent: April 9, 2019
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
  • Publication number: 20190071792
    Abstract: 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: Application
    Filed: November 7, 2018
    Publication date: March 7, 2019
    Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
  • Patent number: 10166611
    Abstract: 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: Grant
    Filed: June 22, 2016
    Date of Patent: January 1, 2019
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Anongsack Paseuth, Satoshi Ono, Hideaki Kanaoka, Shinya Imamura
  • Publication number: 20180339415
    Abstract: 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: Application
    Filed: April 25, 2017
    Publication date: November 29, 2018
    Inventors: Kouhei Yoshimura, Shinya Imamura, Hideaki Kanaoka, Anongsack Paseuth, Satoshi Ono
  • Patent number: 10137505
    Abstract: 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: Grant
    Filed: June 22, 2016
    Date of Patent: November 27, 2018
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Anongsack Paseuth, Satoshi Ono, Hideaki Kanaoka, Shinya Imamura
  • Publication number: 20180333785
    Abstract: 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: Application
    Filed: June 7, 2016
    Publication date: November 22, 2018
    Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono
  • Patent number: 10100403
    Abstract: 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 0.76 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 0.76. The largest value of difference between the atomic ratio x and the atomic ratio y is 0.05?x?y?0.5.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 16, 2018
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Anongsack Paseuth, Shinya Imamura, Satoshi Ono, Hideaki Kanaoka
  • Patent number: 10058924
    Abstract: 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 ?-Al2O3 crystal grains and sulfur, and has a TC(006) of more than 5 in texture coefficient TC(hkl). The sulfur has a concentration distribution in which a concentration of the sulfur decreases in a direction away from a base-material-side surface of the ?-Al2O3 layer, in a thickness direction of the ?-Al2O3 layer.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: August 28, 2018
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Hideaki Kanaoka, Shinya Imamura, Anongsack Paseuth, Takanori Detani
  • Publication number: 20180178294
    Abstract: 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: Application
    Filed: June 22, 2016
    Publication date: June 28, 2018
    Inventors: Anongsack Paseuth, Satoshi Ono, Hideaki Kanaoka, Shinya Imamura
  • Patent number: 9994958
    Abstract: 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: Grant
    Filed: January 20, 2016
    Date of Patent: June 12, 2018
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Anongsack Paseuth, Hideaki Kanaoka, Susumu Okuno
  • Publication number: 20180133805
    Abstract: 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 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: Application
    Filed: June 7, 2016
    Publication date: May 17, 2018
    Inventors: Anongsack Paseuth, Hideaki Kanaoka, Shinya Imamura, Satoshi Ono