Patents by Inventor Takayuki Ishikawa

Takayuki Ishikawa 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).

  • Patent number: 12128663
    Abstract: According to an aspect, a pressure bonding device is configured to bond, to a plate-like first workpiece having a curved surface part, a plurality of plate-like second workpieces smaller than the first workpiece. The pressure bonding device includes: a vacuum chamber; a stage disposed in the vacuum chamber and having a shape extending along a first surface of the curved surface part of the first workpiece so as to fix the first surface on the stage; and a bonding unit configured to deform an elastic diaphragm by internal pressure and pressure-bond one of the second workpieces to a second surface of the first workpiece. A plurality of the bonding units are disposed facing the stage.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: October 29, 2024
    Assignee: Japan Display Inc.
    Inventors: Takayuki Kato, Shinichiro Tanaka, Makoto Ishikawa
  • Patent number: 12110213
    Abstract: A guide display device of a crane including a data processing unit that creates a plurality of surfaces using point cloud data, which is acquired by a laser scanner from above a hung load and which includes the hung load, and creates a three-dimensional map according to the plurality of surfaces, the three-dimensional map being created for each prescribed period, wherein the data processing unit is configured to set a reference position at the hung load in the three-dimensional map and also set a current surface present within a prescribed distance from a past reference position as the surface of the hung load, thereby tracking the hung load in the three-dimensional map.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: October 8, 2024
    Assignees: TADANO LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITY
    Inventors: Iwao Ishikawa, Takayuki Kosaka, Keita Mashima, Satoshi Kubota, Shigenori Tanaka, Masaya Nakahara, Koki Nakahata
  • Patent number: 12112954
    Abstract: An etching method includes forming a film on a surface of a substrate having a region to be etched and a mask. The mask is provided on the region and includes an opening that partially exposes the region. The film is made of the same material as that of the region. The etching method further includes etching the region.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: October 8, 2024
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Maju Tomura, Tomohiko Niizeki, Takayuki Katsunuma, Hironari Sasagawa, Yuta Nakane, Shinya Ishikawa, Kenta Ono, Sho Kumakura, Yusuke Takino, Masanobu Honda
  • Publication number: 20240313216
    Abstract: Provided is a transition metal-containing hydroxide capable of improving the cycle characteristics and safety of a secondary battery, while imparting an excellent battery capacity to the secondary battery, by preventing the elution of an additive metal element, which contained in the transition metal-containing hydroxide, due to phase transition or segregation. A transition metal-containing hydroxide that is a precursor of a positive electrode active material in a non-aqueous electrolyte secondary battery, the transition metal-containing hydroxide containing at least one main metal element selected from the group consisting of Ni, Co and Mn and at least one additive metal element selected from the group consisting of Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Cr, Mo, W, Fe, Ru, Cu, Zn, B, Al, Ga, Si, Sn, P and Bi, in which a cumulative pore volume in a BJH method measured by a gas adsorption method is 0.145 cm3/g or less.
    Type: Application
    Filed: May 24, 2024
    Publication date: September 19, 2024
    Applicants: TANAKA CHEMICAL CORPORATION, PANASONIC ENERGY CO., LTD.
    Inventors: Akari MAKIDA, Ryota KOBAYASHI, Masahiro TAKASHIMA, Kohei KINTSU, Shun NOMURA, Takeshi CHIBA, Takayuki ISHIKAWA, Takuya SHINOMIYA
  • Publication number: 20240282578
    Abstract: A substrate processing apparatus includes a chamber; a substrate support disposed in the chamber; a gas supply that supplies a gas into the chamber; and a controller that controls an overall operation of the substrate processing apparatus. The controller executes a process including: (a) placing a substrate on the substrate support, the substrate including an etching layer and a patterned mask on the etching layer; (b) forming a film on the patterned mask; (c) forming a reaction layer on the film; and (d) removing the reaction layer by applying energy to the reaction layer. In the step (c) a temperature of the substrate is set according to a thickness of the reaction layer to be formed.
    Type: Application
    Filed: April 4, 2024
    Publication date: August 22, 2024
    Applicant: Tokyo Electron Limited
    Inventors: Toru HISAMATSU, Takayuki KATSUNUMA, Shinya ISHIKAWA, Yoshihide KIHARA, Masanobu HONDA
  • Publication number: 20240234712
    Abstract: A non-aqueous electrolyte secondary battery that is one aspect of the present disclosure is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte, the positive electrode having a positive electrode current collector and a positive electrode mixture layer that contains a positive electrode active material and that is formed on the surface of the positive electrode current collector, the positive electrode active material including a lithium-containing composite oxide represented by a prescribed general formula, the lithium-containing composite oxide having secondary particles formed by aggregation of primary particles, Ca being present on the surfaces and in the interiors of the secondary particles, and the proportion of Ca present on the surfaces of the secondary particles being 12-58% relative to the total amount of Ca present on the surfaces and in the interiors of the secondary particles.
    Type: Application
    Filed: February 22, 2022
    Publication date: July 11, 2024
    Applicant: Panasonic Energy Co., Ltd.
    Inventors: Takayuki Ishikawa, Kaoru Nagata, Masanori Maekawa
  • Publication number: 20240216996
    Abstract: Provided is a machine tool with which a tool exchanging operation is easy. In a machine tool including a spindle that is capable of rotating about a spindle axis CL1 while gripping a workpiece and a tool post, the tool post includes a quadruple rotary tool unit to which one-side rotary tools for machining the workpiece are attached and which is capable of swiveling using, as a swiveling center, a first swiveling axis B1 that extends in a Y1-axis direction orthogonal to the spindle axis CL1, and a swiveling base to which the quadruple rotary tool unit is attached, and the quadruple rotary tool unit is attached to the swiveling base removably.
    Type: Application
    Filed: March 14, 2024
    Publication date: July 4, 2024
    Inventors: TAKAYUKI ISHIKAWA, HIROYUKI OGASAWARA
  • Patent number: 12011768
    Abstract: A lathe capable of shortening a spindle with respect to a spindle axis direction. A spindle provided with a chuck at the front end thereof is rotatably supported on a support by bearings. A chuck operating apparatus includes a tilt claw and a shifter. A built-in motor is disposed between the bearings to rotate the spindle. The claw is provided outside the spindle and between the bearings. The claw has a movable end whose distance from the spindle axis varies between a first posture to bring the chuck into the opened state and a second posture to bring the chuck into the closed state. The shifter is provided outside the claw and movable in the spindle axis direction to be brought in a first position to bring the claw into the first posture and in a second position to bring the claw into the second posture.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: June 18, 2024
    Assignee: STAR MICRONICS CO., LTD.
    Inventor: Takayuki Ishikawa
  • Patent number: 12005511
    Abstract: A machine tool includes a spindle capable of holding a workpiece and rotatable on a spindle axis and a tool post on which a tool is attachable to machine the workpiece held by the spindle. The tool post includes a first turnable holder turnable on a first turning axis perpendicular to the spindle axis. The first turnable holder has a first tool unit mounting part where a rotary tool is attachable. The tool post further includes a second turnable holder turnable on a second turning axis perpendicular to the spindle axis and different from the first turning axis. The second turnable holder has a second whirling tool mounting part where a thread whirling tool is attachable.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: June 11, 2024
    Assignee: STAR MICRONICS CO., LTD.
    Inventors: Takayuki Ishikawa, Hiroyuki Ogasawara
  • Publication number: 20240180504
    Abstract: An X-ray diagnostic apparatus of an embodiment includes processing circuitry. The processing circuitry acquires an image of a movable range of a movable unit that can move freely in an examination room where X-ray imaging of a subject is performed, from a camera provided in the examination room, determines the classification of an object present in the movable range on the basis of the image, and controls the operation of X-ray imaging on the basis of the determination results.
    Type: Application
    Filed: December 4, 2023
    Publication date: June 6, 2024
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Hirona OIKAWA, Satoshi YAMASHITA, Mitsunobu SUGENO, Satoshi TANAKA, Mitsuru SAKATA, Katsuaki SHINODA, Takayuki ISHIKAWA
  • Patent number: 11972509
    Abstract: Method for acquiring local gonio-reflection characteristics of an image which is aggregation of dots. Sensory glossiness (L) of the image determined by equation (1) is 1.0 or more. The sensory glossiness (L) is determined based on a height of a peak (H), a height of a base (B) and a half width of a peak (W) of a distribution information of lightness with respect to light receiving angle, obtained by measuring reflected light of a measuring light irradiated into the image. The local gonio-reflection characteristics is acquired with a spatial resolution (A) for acquiring the local gonio-reflection characteristics and a resolution (B) which represents a distribution information of the dots within a region where the sensory glossiness (L) being 1.0 or more, satisfying formula (2). L=Log((H?B)/W)??Equation (1) 0.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: April 30, 2024
    Assignee: KONICA MINOLTA, INC.
    Inventors: Takayuki Ishikawa, Akihiko Itami
  • Publication number: 20240136517
    Abstract: A non-aqueous electrolyte secondary battery that is one aspect of the present disclosure is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte, the positive electrode having a positive electrode current collector and a positive electrode mixture layer that contains a positive electrode active material and that is formed on the surface of the positive electrode current collector, the positive electrode active material including a lithium-containing composite oxide represented by a prescribed general formula, the lithium-containing composite oxide having secondary particles formed by aggregation of primary particles, Ca being present on the surfaces and in the interiors of the secondary particles, and the proportion of Ca present on the surfaces of the secondary particles being 12-58% relative to the total amount of Ca present on the surfaces and in the interiors of the secondary particles.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 25, 2024
    Applicant: Panasonic Energy Co., Ltd.
    Inventors: Takayuki Ishikawa, Kaoru Nagata, Masanori Maekawa
  • Publication number: 20230371406
    Abstract: A memory device, containing a first interconnection extending in a first direction; a first layer including tungsten nitride provided on the first interconnection; a stacked body layer provided on the first layer, a second layer including tungsten provided on the stacked body layer, a memory cell including a germanium tellurium antimony provided on the second layer, a second interconnection provided above the memory cell and extending in a second direction intersecting the first direction; and a third layer including tungsten disposed between the memory cell and the second interconnection, wherein the stacked body layer contains a first material layer of a first material which is different from a material of the first layer, and a second material layer including a second material which is different from the first material and the material of the first layer, wherein the second layer covers a lower surface of the memory cell, and wherein the third layer covers an upper surface of the memory cell.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 16, 2023
    Applicant: Kioxia Corporation
    Inventors: Tomohito KAWASHIMA, Takahiro NONAKA, Yusuke ARAYASHIKI, Takayuki ISHIKAWA
  • Publication number: 20230346333
    Abstract: The X-ray imaging apparatus according to the embodiment includes an X-ray irradiator and processing circuitry. The X-ray irradiator is placed in a surgery room. The processing circuitry is configured to sequentially acquire a position of each staff member presenting in the surgery room during a procedure using the X-ray irradiator. The processing circuitry is configured to sequentially acquire an exposure dose of each staff member from a dosimeter. The processing circuitry is configured to associate the position of each staff member and the exposure dose of each staff member with a time, and sequentially record association data in a memory circuit. The processing circuitry is configured to display association data indicating a relation between the position of each staff member and the exposure dose of each staff member in an identifiable manner on a display.
    Type: Application
    Filed: April 24, 2023
    Publication date: November 2, 2023
    Applicant: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Katsuaki SHINODA, Keisuke SUGAWARA, Mitsunobu SUGENO, Satoshi TANAKA, Mitsuru SAKATA, Takayuki ISHIKAWA, Satoshi YAMASHITA, Yosuke KAYUKAWA, Ko FUCHIGAMI, Hirona OIKAWA
  • Patent number: 11792985
    Abstract: A semiconductor storage device includes: a first conductive layer extending in a first direction; a second conductive layer that is disposed apart from the first conductive layer in a second direction intersecting the first direction, and extends in the first direction; a plurality of semiconductor layers provided between the first conductive layer and the second conductive layer and arranged in the first direction, each of which includes a first portion facing the first conductive layer, and a second portion facing the second conductive layer; a plurality of first memory cells provided between the first conductive layer and the semiconductor layers, respectively; and a plurality of second memory cells provided between the second conductive layer and the semiconductor layers, respectively. A gap is provided between the two semiconductor layers adjacent in the first direction.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: October 17, 2023
    Assignee: KIOXIA CORPORATION
    Inventors: Tatsuya Kato, Satoshi Nagashima, Yefei Han, Takayuki Ishikawa
  • Publication number: 20230317941
    Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries according to one embodiment of the present disclosure contains a lithium transition metal composite oxide which is represented by general formula LiaNibCocAldXeOf (wherein 0.9?a?1.2; 0.88?b?0.96; 0?c?0.12; 0?d?0.12; 0?e?0.1; 1.9?f?2.1; (b+c+d)=1; and X represents at least one element that is selected from among Mn, Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Ta, Mo, W and B); and the lithium transition metal composite oxide has a pore volume of pores having a pore diameter of 0.3 ?m or less of from 6×10?4 mL/g to 50×10?4 mL/g, while having a particle fracture strength of 120 MPa or more at the volume average particle diameter.
    Type: Application
    Filed: August 26, 2021
    Publication date: October 5, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Masanori Maekawa, Takayuki Ishikawa, Kaoru Nagata
  • Publication number: 20230301108
    Abstract: A semiconductor memory device includes a semiconductor layer extending in a first direction, a conductive layer opposed to the semiconductor layer in a second direction intersecting with the first direction, an electric charge accumulating layer disposed between the semiconductor layer and the conductive layer, a first insulating layer disposed between the semiconductor layer and the electric charge accumulating layer, and a second insulating layer disposed between the conductive layer and the electric charge accumulating layer. The semiconductor layer includes at least one protrusion protruding in the second direction toward the electric charge accumulating layer. A position in the first direction of the protrusion is inside with respect to corner portions at both ends in the first direction of a surface opposed to the semiconductor layer in the electric charge accumulating layer.
    Type: Application
    Filed: August 11, 2022
    Publication date: September 21, 2023
    Applicant: Kioxia Corporation
    Inventors: Tatsuki KOSHIDA, Takayuki ISHIKAWA, Kenzo MANABE, Daisuke KUWABARA
  • Patent number: 11765899
    Abstract: A semiconductor storage device includes a first conductive layer; a first insulating layer between the first and second conductive layers; a second insulating layer between the first conductive layer and the first insulating layer; a third insulating layer between the second conductive layer and the first insulating layer; a fourth insulating layer between the second conductive layer and the third conductive layer; a fifth insulating layer between the second conductive layer and the fourth insulating layer; and a sixth insulating layer between the third conductive layer and the fourth insulating layer. The first conductive layer has a first surface. The second conductive layer has a second surface. A barrier conductive film containing at least one of nitrogen (N) or titanium (Ti) is provided on the first surface and the second surface.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: September 19, 2023
    Assignee: KIOXIA CORPORATION
    Inventors: Ryota Narasaki, Weili Cai, Satoshi Nagashima, Takayuki Ishikawa, Yusuke Shimada, Yefei Han
  • Patent number: 11744164
    Abstract: According to one embodiment, a resistive random access memory device includes a first electrode and a second electrode. The resistive random access memory device also includes a resistance change layer connected between the first electrode and the second electrode. The resistive random access memory device also includes a conductive layer connected in series to the resistance change layer between the first electrode and the second electrode. The resistive random access memory device in which the conductive layer includes a plurality of first material layers including a first material and a plurality of second material layers including a second material which is different from the first material.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: August 29, 2023
    Assignee: Kioxia Corporation
    Inventors: Tomohito Kawashima, Takahiro Nonaka, Yusuke Arayashiki, Takayuki Ishikawa
  • Publication number: 20230262971
    Abstract: A semiconductor storage device includes a substrate; a plurality of first conductive layers arranged in a first direction intersecting the substrate and extending in a second direction intersecting the first direction; a semiconductor layer extending in the first direction and disposed adjacent the plurality of first conductive layers; and a plurality of first charge storage layers arranged in the first direction, each of the first charge storage layers provided between a corresponding one of the plurality of first conductive layers and the semiconductor layer. Each of the first charge storage layers includes silicon (Si) and at least one of germanium (Ge), tin (Sn), magnesium (Mg), or carbon (C).
    Type: Application
    Filed: August 26, 2022
    Publication date: August 17, 2023
    Applicant: Kioxia Corporation
    Inventors: Yukinori KOYAMA, Takayuki ISHIKAWA, Shinji NAKADA