Patents by Inventor Yoshitaka Ikeda
Yoshitaka Ikeda 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: 20240105737Abstract: Provided is a display device with extremely high resolution, a display device with higher display quality, a display device with improved viewing angle characteristics, or a flexible display device. Same-color subpixels are arranged in a zigzag pattern in a predetermined direction. In other words, when attention is paid to a subpixel, another two subpixels exhibiting the same color as the subpixel are preferably located upper right and lower right or upper left and lower left. Each pixel includes three subpixels arranged in an L shape. In addition, two pixels are combined so that pixel units including subpixel are arranged in matrix of 3×2.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Inventors: Hisao IKEDA, Kouhei TOYOTAKA, Hideaki SHISHIDO, Hiroyuki MIYAKE, Kohei YOKOYAMA, Yasuhiro JINBO, Yoshitaka DOZEN, Takaaki NAGATA, Shinichi HIRASA
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Publication number: 20240047921Abstract: A connector-equipped electrical wire includes a connector housing in which a cavity is formed and a terminal-equipped electrical wire inserted into the cavity. In a first state before full fastening by a full fastening portion is achieved and in which a first cavity communicates with a second cavity corresponding thereto, a first portion of the terminal-equipped wire is configured to pass through the second cavity and fit into the first cavity, and a second portion of the terminal-equipped wire is fitted into the second cavity. In a second state in which full fastening by the full fastening portion is achieved, when observed in an axial direction of the cavity, a regulatory surface of an inner surface of the second cavity approaches closer to the second portion than when in the first state.Type: ApplicationFiled: December 2, 2021Publication date: February 8, 2024Inventors: Yoshitaka IKEDA, Hirokazu KOMORI, Sho MURAKAMI
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Publication number: 20230335937Abstract: It is an object of the present disclosure to provide a technique for facilitating the insertion of a sealing member-equipped electric wire into a connector housing. The connector housing includes: a housing main body that is provided with a cavity. The cavity includes a first portion that includes one opening portion of the cavity, a second portion that includes the other opening portion of the cavity, and a third portion that is located between the first portion and the second portion. The first portion has a polygonal horizontal cross section, and the third portion has a circular horizontal cross section that is smaller than the horizontal cross section of the first portion.Type: ApplicationFiled: February 25, 2021Publication date: October 19, 2023Inventors: Yoshitaka IKEDA, Kosuke SONE, Takahiro MARUYAMA, Yasuto TAKEDA, Tomoyuki KONDO, Naomichi KAWASHIMA
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Publication number: 20230253730Abstract: An object of the present disclosure is to provide a technology that makes it possible to turn a wire to three or more different directions using one type of cover member. A connector component includes a connector housing in which a cavity is formed, and a cover member that is selectively mounted to the connector housing in one mounting orientation out of three or more different mounting orientations to turn a wire extending from the cavity to a direction corresponding to the one mounting orientation. The cover member includes a restricting portion that restricts the wire and a mounting portion that is integrally formed with the restricting portion and mounted to the connector housing. The cover member is mounted to the connector housing in a mounting orientation corresponding to a combination of a locking portion and a lock catch portion that are locked to each other.Type: ApplicationFiled: June 8, 2021Publication date: August 10, 2023Inventors: Yoshitaka IKEDA, Hirokazu KOMORI, Sho MURAKAMI
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Publication number: 20230145632Abstract: It is an object to provide a technique with which the length of a portion of a terminal-equipped electric wire disposed in a cavity of a connector housing can be shortened. A terminal-equipped electric wire including: a coated electric wire including a conductor core wire and an insulation coating that covers the conductor core wire; a joint terminal connected to the conductor core wire; a connector terminal to be connected to a partner terminal; a single-core relay conductor in which one end thereof is connected to the joint terminal and another end thereof is connected to the connector terminal; and a sealing member that covers an intermediate portion of the relay conductor. A wire barrel of the joint terminal is crimped to the conductor core wire and the relay conductor at the same position in a longitudinal direction of the joint terminal.Type: ApplicationFiled: April 5, 2021Publication date: May 11, 2023Inventors: Yoshitaka IKEDA, Takuji OTSUKA, Kosuke SONE, Keisuke KONDO, Takahiro MARUYAMA, Yasuto TAKEDA, Tomoyuki KONDO
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Patent number: 11237739Abstract: A memory system includes a nonvolatile memory and a controller configured to control the nonvolatile memory. The controller includes a processor, a storage circuit including a plurality of rewritable storage circuits that store timing data of a first timing information group which is settable by the processor, and a power source control circuit configured to trigger parallel execution of a plurality of power source control functions according to the timing data of the first timing information group read from the storage circuit.Type: GrantFiled: June 24, 2019Date of Patent: February 1, 2022Assignee: Toshiba Memory CorporationInventor: Yoshitaka Ikeda
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Patent number: 11205865Abstract: A terminal-equipped wire (1) includes a connector terminal (2), a wire (3), a relay conductor (4) and a sealing member (5). The connector terminal (2) is arranged in an insertion hole (71) provided in a connector case (7). The wire (3) is formed by bundling a plurality of conductors (31). The relay conductor (4) is composed of one conductor and electrically connects the connector terminal (2) and the wire (3). The sealing member (5) is mounted on the outer periphery of the relay conductor (4) and arranged in the insertion hole (71) to close a clearance (S1) between the inner periphery of the sealing member (5) and the outer periphery of the relay conductor (4) and a clearance (S2) between the outer periphery of the sealing member (5) and the inner periphery of the insertion hole (71).Type: GrantFiled: September 20, 2018Date of Patent: December 21, 2021Inventors: Tsutomu Hashimoto, Hiroki Hirai, Hisashi Sawada, Kosuke Sone, Toshikazu Saba, Takehiro Matsunaga, Yasuto Takeda, Yoshitaka Ikeda, Kazuyoshi Ohara, Takahiro Maruyama
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Publication number: 20200259275Abstract: A terminal-equipped wire (1) includes a connector terminal (2), a wire (3), a relay conductor (4) and a sealing member (5). The connector terminal (2) is arranged in an insertion hole (71) provided in a connector case (7). The wire (3) is formed by bundling a plurality of conductors (31). The relay conductor (4) is composed of one conductor and electrically connects the connector terminal (2) and the wire (3). The sealing member (5) is mounted on the outer periphery of the relay conductor (4) and arranged in the insertion hole (71) to close a clearance (S1) between the inner periphery of the sealing member (5) and the outer periphery of the relay conductor (4) and a clearance (S2) between the outer periphery of the sealing member (5) and the inner periphery of the insertion hole (71).Type: ApplicationFiled: September 20, 2018Publication date: August 13, 2020Inventors: Tsutomu Hashimoto, Hiroki Hirai, Hisashi Sawada, Kosuke Sone, Toshikazu Saba, Takehiro Matsunaga, Yasuto Takeda, Yoshitaka Ikeda, Kazuyoshi Ohara, Takahiro Maruyama
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Publication number: 20200254944Abstract: It is aimed to provide a harness component capable of preventing liquid penetration from between conductors of wires to a mating connector on which a connector case is mounted, and improving workability and productivity during manufacturing. A harness component (1) includes a connector case (7), a plurality of connector terminals (2) arranged in the connector case (7), a plurality of wires (3) electrically connected to the connector terminals (2) and sealing members (5) arranged in clearances between mounting portions (24) formed on the respective connector terminals (2) and the connector case (7). An outer peripheral surface of the mounting portion (24) and an inner peripheral surface of the sealing member (5) and an outer peripheral surface of the sealing member (5) and an inner peripheral surface of the connector case (7) are in close contact with each other. The connector terminal (2) is formed with a penetration preventing portion (251) for preventing liquid penetration.Type: ApplicationFiled: October 24, 2018Publication date: August 13, 2020Inventors: Tsutomu Hashimoto, Hiroki Hirai, Kosuke Sone, Toshikazu Saba, Yasuto Takeda, Yoshitaka Ikeda, Kazuyoshi Ohara, Takahiro Maruyama
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Patent number: 10730702Abstract: A floor conveyor has a conveyed object support base portion supported on a conveying traveling body via a columnar support member that penetrates, in a vertical direction, a slit formed in a floor surface along a traveling path of the conveying traveling body. An auxiliary floor surface mechanism which narrows the width of the slit has protruding members protruding from the side of the slit to the center of the slit, where each of the protruding members includes a plate-shaped portion along a perpendicularly vertical direction and is held and biased by an elastic force in a protruding posture in which the protruding member protrudes to the center of the slit. When the protruding member contacts the columnar support member, the protruding member moves in the movement direction of the columnar support member against elasticity so as to allow the passage of the columnar support member.Type: GrantFiled: October 19, 2017Date of Patent: August 4, 2020Assignee: Daifuku Co., Ltd.Inventors: Kazuaki Fukushima, Shotaro Kamiya, Yoshikazu Hirokari, Yoshitaka Ikeda
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Publication number: 20200073563Abstract: A memory system includes a nonvolatile memory and a controller configured to control the nonvolatile memory. The controller includes a processor, a storage circuit including a plurality of rewritable storage circuits that store timing data of a first timing information group which is settable by the processor, and a power source control circuit configured to trigger parallel execution of a plurality of power source control functions according to the timing data of the first timing information group read from the storage circuit.Type: ApplicationFiled: June 24, 2019Publication date: March 5, 2020Inventor: Yoshitaka IKEDA
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Patent number: 10423107Abstract: An object of the present invention is to provide a polyimide tube for a fixing belt, the polyimide tube having good toner fixability. A polyimide tube for a fixing belt of an image-forming apparatus according to the present invention includes a polyimide layer that contains a polyimide as a main component and a needle-like filler, the needle-like filler containing a carbon nanotube and needle-like titanium oxide. A product of a thermal diffusivity (m2/s) of the polyimide layer and a breaking elongation (%) of the polyimide layer in an axial direction is 35×10?7 or more. An orientation direction of the needle-like filler is preferably an axial direction or a circumferential direction.Type: GrantFiled: July 7, 2015Date of Patent: September 24, 2019Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC FINE POLYMER, INC.Inventors: Shingo Nakajima, Jun Sugawara, Masatoshi Ishikawa, Yoshitaka Ikeda, Kazuhiro Kizawa
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Patent number: 10365593Abstract: The present invention provides a self-heating fuser roller including a tubular resistor layer that generates heat by being supplied with electricity, in which the resistor layer has a plurality of slits. The slits are preferably disposed at regular intervals in a circumferential direction. The slits preferably extend in an axial direction. Preferably, the slits are not provided on both end edges in an axial direction. The slits preferably have an average width of 50 ?m or more and 2 mm or less. The slits preferably have an average interval of 30 ?m or more and 1 mm or less. The slits are preferably filled with a resin composition. The resistor layer preferably includes a resin matrix and a plurality of electrically conductive particles contained in the resin matrix.Type: GrantFiled: July 25, 2016Date of Patent: July 30, 2019Assignees: SUMITOMO ELECTRIC INDUSTRIES, INC., SUMITOMO ELECTRIC FINE POLYMER, INC.Inventors: Shingo Nakajima, Jun Sugawara, Kazuhiro Kizawa, Yoshitaka Ikeda, Masato Tanaka
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Patent number: 10239175Abstract: Provided is a vertical machining center including: a splash cover fixed to a base, the splash cover defining a machining chamber to enclose a machining zone; a column vertically standing on the base; a Z-axis guiding rail disposed on the column and being vertically directed toward the base, the Z-axis guiding rail partially exposed to the machining zone; a Z-axis driving device disposed in the column, the Z-axis driving device partially exposed to the machining zone; a spindle head to be driven vertically by the Z-axis driving device; a spindle head opening formed in the splash cover so that the spindle head can pass through the spindle head opening; and an extendable cover provided between an edge of the spindle head opening and the spindle head and configured to cover parts of the Z-axis guiding rail and the Z-axis driving device, the parts being exposed to the machining zone.Type: GrantFiled: May 19, 2016Date of Patent: March 26, 2019Assignee: SUGINO MACHINE LIMITEDInventors: Yuji Toyooka, Yoshitaka Ikeda, Satoru Hasegawa
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Patent number: 10239129Abstract: Provided is a machine tool including: a bed; a work-table which is provided to the bed; a moving device provided to the bed; a spindle head provided to the moving device; at least a vertical main spindle provided to the spindle head, the vertical main spindle extending in the vertical direction; and at least a horizontal main spindle provided to the spindle head, the horizontal main spindle extending in a horizontal direction.Type: GrantFiled: September 12, 2017Date of Patent: March 26, 2019Assignee: SUGINO MACHINE LIMITEDInventors: Masato Kosugi, Yoshitaka Ikeda, Jun Oshida
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Publication number: 20180207732Abstract: Provided is a machine tool including: a bed; a work-table which is provided to the bed; a moving device provided to the bed; a spindle head provided to the moving device; at least a vertical main spindle provided to the spindle head, the vertical main spindle extending in the vertical direction; and at least a horizontal main spindle provided to the spindle head, the horizontal main spindle extending in a horizontal direction.Type: ApplicationFiled: September 12, 2017Publication date: July 26, 2018Inventors: Masato KOSUGI, Yoshitaka IKEDA, Jun OSHIDA
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Publication number: 20180118468Abstract: A floor conveyor has a conveyed object support base portion supported on a conveying traveling body via a columnar support member that penetrates, in a vertical direction, a slit formed in a floor surface along a traveling path of the conveying traveling body. An auxiliary floor surface mechanism which narrows the width of the slit has protruding members protruding from the side of the slit to the center of the slit, where each of the protruding members includes a plate-shaped portion along a perpendicularly vertical direction and is held and biased by an elastic force in a protruding posture in which the protruding member protrudes to the center of the slit. When the protruding member contacts the columnar support member, the protruding member moves in the movement direction of the columnar support member against elasticity so as to allow the passage of the columnar support member.Type: ApplicationFiled: October 19, 2017Publication date: May 3, 2018Inventors: Kazuaki Fukushima, Shotaro Kamiya, Yoshikazu Hirokari, Yoshitaka Ikeda
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Publication number: 20170343930Abstract: The present invention provides a self-heating fuser roller including a tubular resistor layer that generates heat by being supplied with electricity, in which the resistor layer has a plurality of slits. The slits are preferably disposed at regular intervals in a circumferential direction. The slits preferably extend in an axial direction. Preferably, the slits are not provided on both end edges in an axial direction. The slits preferably have an average width of 50 ?m or more and 2 mm or less. The slits preferably have an average interval of 30 ?m or more and 1 mm or less. The slits are preferably filled with a resin composition. The resistor layer preferably includes a resin matrix and a plurality of electrically conductive particles contained in the resin matrix.Type: ApplicationFiled: July 25, 2016Publication date: November 30, 2017Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC FINE POLYMER, INC.Inventors: Shingo NAKAJIMA, Jun SUGAWARA, Kazuhiro KIZAWA, Yoshitaka IKEDA, Masato TANAKA
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Patent number: 9778646Abstract: A robot controller used in a system having a machine tool and a robot, by which the robot is properly operated corresponding to an operation state of the machine tool. The robot controller has a data communicating part which obtains data representing an operation state of the machine tool at predetermined timing; a motion pattern storing part which stores a plurality of motion patterns of the robot for the machine tool; and a motion controlling part which selects a motion pattern from the stored plurality of motion patterns when an abnormality occurs in the machine tool or when an operation state of the machine tool satisfies a predefined condition, and operates the robot based on the selected motion pattern, the selected pattern being associated with an operation state of the machine tool when an abnormality occurs or when the operation state satisfies the predefined condition.Type: GrantFiled: March 4, 2015Date of Patent: October 3, 2017Assignee: FANUC CORPORATIONInventor: Yoshitaka Ikeda
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Publication number: 20170106484Abstract: Provided is a vertical machining center including: a splash cover fixed to a base, the splash cover defining a machining chamber to enclose a machining zone; a column vertically standing on the base; a Z-axis guiding rail disposed on the column and being vertically directed toward the base, the Z-axis guiding rail partially exposed to the machining zone; a Z-axis driving device disposed in the column, the Z-axis driving device partially exposed to the machining zone; a spindle head to be driven vertically by the Z-axis driving device; a spindle head opening formed in the splash cover so that the spindle head can pass through the spindle head opening; and an extendable cover provided between an edge of the spindle head opening and the spindle head and configured to cover parts of the Z-axis guiding rail and the Z-axis driving device, the parts being exposed to the machining zone.Type: ApplicationFiled: May 19, 2016Publication date: April 20, 2017Inventors: Yuji TOYOOKA, Yoshitaka IKEDA, Satoru HASEGAWA