Patents by Inventor Tsutomu Hirano
Tsutomu Hirano 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: 20240363978Abstract: A battery includes: a power generating element having a stacked structure of power generating layers and current collectors; and a counter electrode terminal. Each of the power generating layers is sandwiched between two adjacent ones of the current collectors. The current collectors are not in contact with each other. At least one of the current collectors includes a protruding portion protruding beyond an end surface of the power generating layer in a side surface portion of the power generating element and a stacked portion in which the power generating layers are stacked. When the protruding portion and the stacked portion are projected onto a projection plane perpendicular to the main surfaces of the power generating layers, the projected area of the protruding portion is larger than the projected area of the stacked portion. The counter electrode terminal is connected to a main surface of the protruding portion.Type: ApplicationFiled: July 11, 2024Publication date: October 31, 2024Inventors: Kazuyoshi HONDA, Koichi HIRANO, Eiichi KOGA, Kazuhiro MORIOKA, Tsutomu KOSHIZUKA, Akira KAWASE
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Publication number: 20240304850Abstract: A battery of the present disclosure includes a power generation element. Each of the plurality of unit cells includes an electrode layer, a counter electrode layer, and a solid electrolyte layer arranged between the electrode layer and the counter electrode layer. The power generation element includes a first principal, a second principal opposite to the first principal, and a side surface connecting the first principal and the second principal. The side surface includes: a first inclined surface that connects to the first principal and forms an obtuse angle with the first principal; and a second inclined surface that connects to the second principal and forms an obtuse angle with the second principal. At least one of the first inclined surface and the second inclined surface is provided across two or more of the plurality of unit cells.Type: ApplicationFiled: May 10, 2024Publication date: September 12, 2024Inventors: KAZUYOSHI HONDA, AKIRA KAWASE, KAZUHIRO MORIOKA, KOICHI HIRANO, TSUTOMU KOSHIZUKA, EIICHI KOGA
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Publication number: 20240258666Abstract: A battery according to the present disclosure includes a power-generating element having a plurality of parallel laminates electrically series-connected and laminated. The parallel laminates each include an odd number of battery cells electrically connected in parallel and laminated. The battery cells each include an electrode layer, a counter electrode layer, and a solid electrolyte layer positioned therebetween.Type: ApplicationFiled: April 8, 2024Publication date: August 1, 2024Inventors: KAZUYOSHI HONDA, AKIRA KAWASE, KAZUHIRO MORIOKA, KOICHI HIRANO, TSUTOMU KOSHIZUKA, EIICHI KOGA
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Patent number: 11554427Abstract: A cutting insert according to one embodiment includes: a rake face; a flank face continuous to the rake face; and a cutting edge constituted of a ridgeline between the rake face and the flank face. A coolant flow path is provided inside the cutting insert. One end portion of the coolant flow path opens in the flank face to form a coolant ejection hole. The flank face is provided with a coolant guide groove extending from the coolant ejection hole toward the cutting edge with a base end portion of the coolant guide groove being connected to the coolant ejection hole and with a front end portion of the coolant guide groove being disposed at a position close to the cutting edge relative to the base end portion.Type: GrantFiled: May 18, 2018Date of Patent: January 17, 2023Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu Hirano, Satoru Kukino
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Patent number: 11344953Abstract: A cutting tool holder according to one embodiment supports a cutting insert including a rake face, a flank face, and a cutting edge. The cutting tool holder according to one embodiment includes: a holder body having a seat face on which the cutting insert is placed; a pressing member that positions and fixes the cutting insert to the holder body; and a fixing member that fixes the pressing member to the holder body. The pressing member has: a front end portion close to the cutting edge; and a base end portion distant away from the cutting edge. The front end portion is provided with a first coolant ejection hole. A first flow path is provided inside the holder body. A coolant reservoir and a second flow path are provided inside the pressing member.Type: GrantFiled: May 23, 2018Date of Patent: May 31, 2022Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu Hirano, Satoru Kukino, Yosuke Shimamoto
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Publication number: 20220041446Abstract: There is provided a polycrystalline cubic boron nitride containing a cubic boron nitride at a content greater than or equal to 98.5% by volume, the polycrystalline cubic boron nitride having a dislocation density less than or equal to 8×1015/m2.Type: ApplicationFiled: September 4, 2019Publication date: February 10, 2022Applicants: SUMITOMO ELECTRIC HARDMETAL CORP., Sumitomo Electric Industries, Ltd.Inventors: Tsutomu HIRANO, Satoru KUKINO, Kei HIRAI
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Publication number: 20210268589Abstract: A cutting insert comprises: a body; and a blade fixed to the body and made of a polycrystalline cubic boron nitride including 98.5% by volume or more of cubic boron nitride, the blade having a rake face and a flank face, the rake face and the flank face meeting each other and thus forming a ridge line which serves as a cutting edge, the rake face being provided with a land surface extending along the cutting edge, and a chip breaker disposed on a side opposite to the cutting edge with the land surface therebetween and also having a recess contiguous to the land surface.Type: ApplicationFiled: July 2, 2019Publication date: September 2, 2021Inventors: Tsutomu HIRANO, Satoru KUKINO
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Patent number: 11065693Abstract: A cutting tool shim is to be disposed between a cutting insert and a holder and to be fixed to the holder. The ridgeline between the flank face and the rake face forms a cutting edge. The cutting edge includes an arc-shaped portion. A coolant supply path for jetting coolant to the arc-shaped portion is provided in the cutting tool shim, the coolant being supplied from the holder. The coolant supply path includes a lead-in port for leading the coolant from the holder to the coolant supply path, and a jetting port for arc-shaped portion for jetting the coolant to the arc-shaped portion. The jetting port for arc-shaped portion has a curved shape along the arc-shaped portion. The distance between the jetting port for arc-shaped portion and the arc-shaped portion is not less than 2.2 mm and not more than 8.1 mm.Type: GrantFiled: July 31, 2017Date of Patent: July 20, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Tsutomu Hirano, Satoru Kukino, Tomoyuki Fukuyama, Takuma Kishimoto
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Patent number: 11046581Abstract: The polycrystalline cubic boron nitride contains a cubic boron nitride at a content greater than or equal to 98.5% by volume, and has an area rate S1 of crystal grains, the crystal grains having an equivalent circle diameter greater than or equal to 1 ?m, less than or equal to 20 area % at a cross section of the polycrystalline cubic boron nitride as observed with a scanning electron microscope at a magnification of 10,000.Type: GrantFiled: June 18, 2019Date of Patent: June 29, 2021Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu Hirano, Satoru Kukino
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Publication number: 20200247673Abstract: The polycrystalline cubic boron nitride contains a cubic boron nitride at a content greater than or equal to 98.5% by volume, and has an area rate S1 of crystal grains, the crystal grains having an equivalent circle diameter greater than or equal to 1 ?m, less than or equal to 20 area % at a cross section of the polycrystalline cubic boron nitride as observed with a scanning electron microscope at a magnification of 10,000.Type: ApplicationFiled: June 18, 2019Publication date: August 6, 2020Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu HIRANO, Satoru KUKINO
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Publication number: 20200230710Abstract: A cutting tool holder according to one embodiment supports a cutting insert including a rake face, a flank face, and a cutting edge. The cutting tool holder according to one embodiment includes: a holder body having a seat face on which the cutting insert is placed; a pressing member that positions and fixes the cutting insert to the holder body; and a fixing member that fixes the pressing member to the holder body. The pressing member has: a front end portion close to the cutting edge; and a base end portion distant away from the cutting edge. The front end portion is provided with a first coolant ejection hole. A first flow path is provided inside the holder body. A coolant reservoir and a second flow path are provided inside the pressing member.Type: ApplicationFiled: May 23, 2018Publication date: July 23, 2020Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu HIRANO, Satoru KUKINO, Yosuke SHIMAMOTO
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Publication number: 20200215618Abstract: A cutting insert according to one embodiment includes: a rake face; a flank face continuous to the rake face; and a cutting edge constituted of a ridgeline between the rake face and the flank face. A coolant flow path is provided inside the cutting insert. One end portion of the coolant flow path opens in the flank face to form a coolant ejection hole. The flank face is provided with a coolant guide groove extending from the coolant ejection hole toward the cutting edge with a base end portion of the coolant guide groove being connected to the coolant ejection hole and with a front end portion of the coolant guide groove being disposed at a position close to the cutting edge relative to the base end portion.Type: ApplicationFiled: May 18, 2018Publication date: July 9, 2020Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu HIRANO, Satoru KUKINO
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Patent number: 10625349Abstract: An object is to prolong the life of a cubic boron nitride cutting tool used for cutting a heat-resistant alloy. A cubic boron nitride cutting tool includes an edge tip made of a sintered cubic boron nitride compact including cubic boron nitride particles; and a base metal that holds the edge tip at a corner portion of the base metal, wherein a cutting edge formed on the edge tip of the tool has a positive rake angle.Type: GrantFiled: July 3, 2018Date of Patent: April 21, 2020Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu Hirano, Katsumi Okamura, Naoki Watanobe
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Publication number: 20190184469Abstract: A cutting tool shim is to be disposed between a cutting insert and a holder and to be fixed to the holder. The ridgeline between the flank face and the rake face forms a cutting edge. The cutting edge includes an arc-shaped portion. A coolant supply path for jetting coolant to the arc-shaped portion is provided in the cutting tool shim, the coolant being supplied from the holder. The coolant supply path includes a lead-in port for leading the coolant from the holder to the coolant supply path, and a jetting port for arc-shaped portion for jetting the coolant to the arc-shaped portion. The jetting port for arc-shaped portion has a curved shape along the arc-shaped portion. The distance between the jetting port for arc-shaped portion and the arc-shaped portion is not less than 2.2 mm and not more than 8.1 mm.Type: ApplicationFiled: July 31, 2017Publication date: June 20, 2019Inventors: Tsutomu Hirano, Satoru Kukino, Tomoyuki Fukuyama, Takuma Kishimoto
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Publication number: 20180311744Abstract: An object is to prolong the life of a cubic boron nitride cutting tool used for cutting a heat-resistant alloy. A cubic boron nitride cutting tool includes an edge tip made of a sintered cubic boron nitride compact including cubic boron nitride particles; and a base metal that holds the edge tip at a corner portion of the base metal, wherein a cutting edge formed on the edge tip of the tool has a positive rake angle.Type: ApplicationFiled: July 3, 2018Publication date: November 1, 2018Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu HIRANO, Katsumi OKAMURA, Naoki WATANOBE
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Patent number: 10010940Abstract: An object is to prolong the life of a cubic boron nitride cutting tool used for cutting a heat-resistant alloy. A cubic boron nitride cutting tool includes an edge tip made of a sintered cubic boron nitride compact having a thermal conductivity within the range of 20 to 70 W/m·K and including cubic boron nitride particles having an average particle diameter within the range of 0.5 ?m to 2 ?m; and a base metal that holds the edge tip at a corner portion of the base metal, wherein a cutting edge formed on the edge tip of the tool has a positive rake angle.Type: GrantFiled: March 25, 2014Date of Patent: July 3, 2018Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu Hirano, Katsumi Okamura, Naoki Watanobe
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Patent number: 9522850Abstract: Provided is a cubic boron nitride sintered body having good wear resistance and fracture resistance. A method for manufacturing a cubic boron nitride sintered body of the present invention is a method for manufacturing a cubic boron nitride sintered body having a cubic boron nitride particle content of 80% by volume or more and 99% by volume or less. The method includes a first step of preparing cubic boron nitride particles; a second step of coating surfaces of the cubic boron nitride particles with a coating material so as to obtain coated particles; a third step of mixing the coated particles and a binder to obtain a mixture; and a fourth step of sintering the mixture.Type: GrantFiled: March 12, 2014Date of Patent: December 20, 2016Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Yusuke Matsuda, Katsumi Okamura, Tsutomu Hirano, Tomohiro Fukaya
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Publication number: 20160052827Abstract: Provided is a cubic boron nitride sintered body having good wear resistance and fracture resistance. A method for manufacturing a cubic boron nitride sintered body of the present invention is a method for manufacturing a cubic boron nitride sintered body having a cubic boron nitride particle content of 80% by volume or more and 99% by volume or less. The method includes a first step of preparing cubic boron nitride particles; a second step of coating surfaces of the cubic boron nitride particles with a coating material so as to obtain coated particles; a third step of mixing the coated particles and a binder to obtain a mixture; and a fourth step of sintering the mixture.Type: ApplicationFiled: March 12, 2014Publication date: February 25, 2016Inventors: Yusuke MATSUDA, Katsumi OKAMURA, Tsutomu HIRANO, Tomohiro FUKAYA
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Publication number: 20150239050Abstract: An object is to prolong the life of a cubic boron nitride cutting tool used for cutting a heat-resistant alloy. A cubic boron nitride cutting tool includes an edge tip made of a sintered cubic boron nitride compact having a thermal conductivity within the range of 20 to 70 W/m·K and including cubic boron nitride particles having an average particle diameter within the range of 0.5 ?m to 2 ?m; and a base metal that holds the edge tip at a corner portion of the base metal, wherein a cutting edge formed on the edge tip of the tool has a positive rake angle.Type: ApplicationFiled: March 25, 2014Publication date: August 27, 2015Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Tsutomu Hirano, Katsumi Okamura, Naoki Watanobe
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Patent number: 7811826Abstract: The present invention provides a fast and simple method for fractional measurement of small particle low density lipoprotein (LDL). The method for quantifying small particle LDL in a test sample entails a first step of separating the small particle LDL from other low density lipoproteins, and a second step of measuring cholesterol, triglycerides or proteins in the separated small particle LDL.Type: GrantFiled: February 10, 2009Date of Patent: October 12, 2010Assignee: Denka Seiken Co., Ltd.Inventors: Yasuki Itoh, Tsutomu Hirano