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).
-
Publication number: 20250100078Abstract: A build system includes: a build apparatus that is configured to irradiate an object with an energy beam from a position above the object and that is configured to build a build object on the object by supplying a build material to an irradiation position of the energy beam; a support apparatus that includes three or more support members for supporting the object; and a heating apparatus configured to heat the object from a position under the object, each support member includes: a connecting part that contacts the object; and a support part configured to support the object, a stiffness of the support part in a first direction is lower than a stiffness of the support part in a second direction that intersects the first direction, the second direction is a direction that intersects a plane including the connecting parts of the three or more support members.Type: ApplicationFiled: January 19, 2022Publication date: March 27, 2025Applicant: NIKON CORPORATIONInventors: Hiromichi MURATA, Takayuki FUNATSU, Motofusa ISHIKAWA
-
Patent number: 12257636Abstract: A lathe capable of facilitating maintenance of a chucking mechanism. A chuck operating apparatus includes a claw and a shifter to open and close a chuck provided on a spindle. The tilt claw provided outside the spindle has 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 provided outside the spindle and movable in a spindle axis direction is 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. A roller is mounted on the shifter in a contact position with the claw to roll in the spindle axis direction.Type: GrantFiled: May 25, 2021Date of Patent: March 25, 2025Assignee: STAR MICRONICS CO., LTD.Inventor: Takayuki Ishikawa
-
Patent number: 12251764Abstract: A chuck operating apparatus includes a claw, a shifter, and a shifter drive unit. The rotatable claw has a first posture to bring the chuck into the opened state and a second posture to bring the chuck into the closed state. The rotatable shifter is 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. The shifter drive unit has a shifter lever having an insertion part provided with a shifter bearing capable of being brought into contact with a side surface of an outward groove of the shifter. A roller is provided on one of the claw and the shifter in a contact position with the other to roll in a spindle axis direction and a groove is formed on the other to receive the roller when the chuck is in the opened state.Type: GrantFiled: May 25, 2021Date of Patent: March 18, 2025Assignee: STAR MICRONICS CO., LTD.Inventor: Takayuki Ishikawa
-
Patent number: 12241758Abstract: A ground surface estimation method includes: a continuous region recognizing step for recognizing, when a difference in altitude value between a representative point of one grid and a representative point of another adjacent grid out of the plurality of grids is equal to or less than a threshold, the one grid and the other adjacent grid as a continuous region that is a region where the one grid and the other adjacent grid are continuous; and a ground surface estimation step for estimating a continuous region having the largest number of grids among the continuous regions as a ground surface.Type: GrantFiled: December 9, 2019Date of Patent: March 4, 2025Assignees: TADANO LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Iwao Ishikawa, Takayuki Kosaka, Satoshi Kubota, Shigenori Tanaka, Kenji Nakamura, Yuhei Yamamoto, Masaya Nakahara
-
Patent number: 12237506Abstract: In a non-aqueous electrolyte secondary battery that is one example of the embodiment, a positive electrode mix layer comprises a positive electrode active material comprising a lithium transition metal composite oxide represented by general formula: LiaNibCo(1-b-c)AlcOd (0.9<a?1.2, 0.88?b?0.96, 0.04?c?0.12, 1.9?d?2.1) and lithium carbonate in an amount of 0.1 to 1.0% by mass relative to the mass of the positive electrode active material. The lithium transition metal composite oxide has the form of secondary particles formed by the aggregation of primary particles, wherein tungsten is present, on the surface of each of the primary particles, in an amount of 0.05 to 0.20 mol % relative to the total molar amount of non-Li-metal elements contained in the positive electrode active material.Type: GrantFiled: April 15, 2020Date of Patent: February 25, 2025Assignee: PANASONIC ENERGY CO., LTD.Inventors: Masanori Maekawa, Takayuki Ishikawa, Kaoru Nagata
-
Patent number: 12215001Abstract: The present invention provides a guide display device capable of recognizing a feature in a work area while distinguishing whether the feature is a moving body or not. In a guide display device of a crane, 3D maps are created for continuous frames; an altitude value for each grid in a 3D map that is created at time closest to the current time is obtained as a first altitude value; altitude values for respective corresponding grids in a predetermined number of 3D maps other than the 3D map that is created at time closest to the current time are obtained, and the average of the altitude values is calculated as a second altitude value; and it is determined that the feature is a moving body when the difference between the first altitude value and the second altitude value exceeds a predetermined threshold.Type: GrantFiled: March 23, 2021Date of Patent: February 4, 2025Assignees: TADANO LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Iwao Ishikawa, Takayuki Kosaka, Keita Mashima, Satoshi Kubota, Shigenori Tanaka, Masaya Nakahara, Koki Nakahata
-
Publication number: 20240313216Abstract: 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: ApplicationFiled: May 24, 2024Publication date: September 19, 2024Applicants: 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: 20240234712Abstract: 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: ApplicationFiled: February 22, 2022Publication date: July 11, 2024Applicant: Panasonic Energy Co., Ltd.Inventors: Takayuki Ishikawa, Kaoru Nagata, Masanori Maekawa
-
Publication number: 20240216996Abstract: 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: ApplicationFiled: March 14, 2024Publication date: July 4, 2024Inventors: TAKAYUKI ISHIKAWA, HIROYUKI OGASAWARA
-
Patent number: 12011768Abstract: 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: GrantFiled: May 25, 2021Date of Patent: June 18, 2024Assignee: STAR MICRONICS CO., LTD.Inventor: Takayuki Ishikawa
-
Patent number: 12005511Abstract: 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: GrantFiled: May 27, 2022Date of Patent: June 11, 2024Assignee: STAR MICRONICS CO., LTD.Inventors: Takayuki Ishikawa, Hiroyuki Ogasawara
-
Publication number: 20240180504Abstract: 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: ApplicationFiled: December 4, 2023Publication date: June 6, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Hirona OIKAWA, Satoshi YAMASHITA, Mitsunobu SUGENO, Satoshi TANAKA, Mitsuru SAKATA, Katsuaki SHINODA, Takayuki ISHIKAWA
-
Patent number: 11972509Abstract: 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: GrantFiled: July 9, 2021Date of Patent: April 30, 2024Assignee: KONICA MINOLTA, INC.Inventors: Takayuki Ishikawa, Akihiko Itami
-
Publication number: 20240136517Abstract: 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: ApplicationFiled: February 22, 2022Publication date: April 25, 2024Applicant: Panasonic Energy Co., Ltd.Inventors: Takayuki Ishikawa, Kaoru Nagata, Masanori Maekawa
-
Publication number: 20230371406Abstract: 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: ApplicationFiled: July 18, 2023Publication date: November 16, 2023Applicant: Kioxia CorporationInventors: Tomohito KAWASHIMA, Takahiro NONAKA, Yusuke ARAYASHIKI, Takayuki ISHIKAWA
-
Publication number: 20230346333Abstract: 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: ApplicationFiled: April 24, 2023Publication date: November 2, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Katsuaki SHINODA, Keisuke SUGAWARA, Mitsunobu SUGENO, Satoshi TANAKA, Mitsuru SAKATA, Takayuki ISHIKAWA, Satoshi YAMASHITA, Yosuke KAYUKAWA, Ko FUCHIGAMI, Hirona OIKAWA
-
Patent number: 11792985Abstract: 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: GrantFiled: March 3, 2021Date of Patent: October 17, 2023Assignee: KIOXIA CORPORATIONInventors: Tatsuya Kato, Satoshi Nagashima, Yefei Han, Takayuki Ishikawa
-
Publication number: 20230317941Abstract: 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: ApplicationFiled: August 26, 2021Publication date: October 5, 2023Applicant: SANYO Electric Co., Ltd.Inventors: Masanori Maekawa, Takayuki Ishikawa, Kaoru Nagata
-
Publication number: 20230301108Abstract: 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: ApplicationFiled: August 11, 2022Publication date: September 21, 2023Applicant: Kioxia CorporationInventors: Tatsuki KOSHIDA, Takayuki ISHIKAWA, Kenzo MANABE, Daisuke KUWABARA
-
Patent number: 11765899Abstract: 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: GrantFiled: March 3, 2021Date of Patent: September 19, 2023Assignee: KIOXIA CORPORATIONInventors: Ryota Narasaki, Weili Cai, Satoshi Nagashima, Takayuki Ishikawa, Yusuke Shimada, Yefei Han