Patents by Inventor Yusuke Ochi
Yusuke Ochi 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: 20220293621Abstract: A semiconductor storage device includes a plurality of conductor layers that are stacked in a first direction and a plurality of bit lines that are spaced from each other in a second direction. Pillars extend in the first direction through the conductor layers and are electrically connected to the bit lines. An insulator is provided that divides the region in which the plurality of pillars are disposed into adjacent regions. An interval between the pillars in an end row adjacent to the insulator is greater than an interval between the pillars in an inner row that is not directly adjacent to the insulator.Type: ApplicationFiled: August 23, 2021Publication date: September 15, 2022Inventors: Yusuke OCHI, Ryota KATSUMATA, Masahiro FUKUDA
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Patent number: 11164639Abstract: According to one embodiment, a semiconductor memory device includes: a memory cell array; a conversion circuit; a data bus; a first buffer and a second buffer; and a third buffer. The data bus includes a first wiring part extending along a first direction. The first buffer and the second buffer are separate from each other. The first to third buffers are at different positions along the first direction.Type: GrantFiled: September 5, 2019Date of Patent: November 2, 2021Assignee: TOSHIBA MEMORY CORPORATIONInventors: Hiromi Noro, Yusuke Ochi, Takahiro Sugimoto, Naoaki Kanagawa
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Patent number: 10915266Abstract: According to one embodiment, a storage device includes a first memory cell; a second memory cell; and a controller configured to, in response to receiving a first command set, execute a first erase operation which is included in an erase operation of data of the first memory cell, and suspend the first erase operation, and in response to receiving a second command set, execute a read operation or a write operation of the second memory cell and subsequently resume the suspended first erase operation.Type: GrantFiled: September 16, 2016Date of Patent: February 9, 2021Assignees: TOSHIBA MEMORY CORPORATION, TOSHIBA INFORMATION SYSTEMS (JAPAN) CORPORATIONInventors: Yusuke Ochi, Masanobu Shirakawa, Yoshihisa Kojima, Kiyotaka Iwasaki, Katsuhiko Ueki, Kouji Watanabe
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Publication number: 20200202954Abstract: According to one embodiment, a semiconductor memory device includes: a memory cell array; a conversion circuit; a data bus; a first buffer and a second buffer; and a third buffer. The data bus includes a first wiring part extending along a first direction. The first buffer and the second buffer are separate from each other. The first to third buffers are at different positions along the first direction.Type: ApplicationFiled: September 5, 2019Publication date: June 25, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventors: Hiromi NORO, Yusuke OCHI, Takahiro SUGIMOTO, Naoaki KANAGAWA
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Patent number: 10359193Abstract: In accordance with the flow distribution of combustion gas including an unburned portion, an after-air port (AAP) arranged downstream of the two-stage combustion burner can effectively reduce the unburned portion by dividing as appropriate so as to avoid interaction, and by mixing together, two types of after-air having functions of linearity and spreading. As the configuration of this AAP, a primary nozzle for supplying primary after-air and having a vertical height greater than the horizontal width is provided in the center in the opening of the AAP, a secondary nozzle for supplying secondary after-air is provided in the opening outside of the primary nozzle, and one or more secondary after-air guide vanes having a fixed or variable tilt angle relative to the after-air port center axis are provided at the outlet of the said secondary nozzle to deflect and supply the secondary after-air horizontally to the left or right.Type: GrantFiled: July 8, 2014Date of Patent: July 23, 2019Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Kenji Kiyama, Miki Shimogori, Toshihiko Mine, Satoshi Tadakuma, Kenichi Ochi, Koji Kuramashi, Yusuke Ochi, Akira Baba, Yuki Kondo
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Patent number: 9927993Abstract: A semiconductor memory device includes a memory cell array including a block of memory cells, gates of which are connected to a plurality of word lines, and a control unit configured to perform a writing operation in response to a command received from the outside, the writing operation including applying a program level voltage to at least two word lines at the same time.Type: GrantFiled: October 6, 2016Date of Patent: March 27, 2018Assignee: Toshiba Memory CorporationInventors: Yusuke Ochi, Masanobu Shirakawa
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Publication number: 20170262229Abstract: According to one embodiment, a storage device includes a first memory cell; a second memory cell; and a controller configured to, in response to receiving a first command set, execute a first erase operation which is included in an erase operation of data of the first memory cell, and suspend the first erase operation, and in response to receiving a second command set, execute a read operation or a write operation of the second memory cell and subsequently resume the suspended first erase operation.Type: ApplicationFiled: September 16, 2016Publication date: September 14, 2017Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFORMATION SYSTEMS (JAPAN) CORPORATIONInventors: Yusuke OCHI, Masanobu SHIRAKAWA, Yoshihisa KOJIMA, Kiyotaka IWASAKI, Katsuhiko UEKI, Kouji WATANABE
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Publication number: 20170262199Abstract: A semiconductor memory device includes a memory cell array including a block of memory cells, gates of which are connected to a plurality of word lines, and a control unit configured to perform a writing operation in response to a command received from the outside, the writing operation including applying a program level voltage to at least two word lines at the same time.Type: ApplicationFiled: October 6, 2016Publication date: September 14, 2017Inventors: Yusuke OCHI, Masanobu SHIRAKAWA
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Patent number: 9735488Abstract: A board connecting connector includes a board retaining portion and a terminal retaining portion. The board retaining portion accommodates a board, and the terminal retaining portion accommodates terminals. When the board retaining portion and the terminal retaining portions are in a state of being fit to each other, terminal portions provided on a sheet surface of the board and elastic contact portions of the terminals contact to each other. Each of the terminals includes an elastic deformation portion having a contact portion and an inspection portion, with which an inspection jig contacts to inspect the terminal. The elastic deformation portion is formed by notching on a surface of a cylindrical part that is formed by bending sheet metal. The inspection portion is provided on a different surface from the cylindrical surface, using a part of the sheet metal.Type: GrantFiled: October 24, 2016Date of Patent: August 15, 2017Assignee: HIROSE ELECTRIC CO., LTD.Inventors: Isao Tashiro, Tomohiro Mizuguchi, Yasuhiro Mamada, Yusuke Ochi
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Publication number: 20170117649Abstract: A board connecting connector includes a board retaining portion and a terminal retaining portion. The board retaining portion accommodates a board, and the terminal retaining portion accommodates terminals. When the board retaining portion and the terminal retaining portions are in a state of being fit to each other, terminal portions provided on a sheet surface of the board and elastic contact portions of the terminals contact to each other. Each of the terminals includes an elastic deformation portion having a contact portion and an inspection portion, with which an inspection jig contacts to inspect the terminal. The elastic deformation portion is formed by notching on a surface of a cylindrical part that is formed by bending sheet metal. The inspection portion is provided on a different surface from the cylindrical surface, using a part of the sheet metal.Type: ApplicationFiled: October 24, 2016Publication date: April 27, 2017Inventors: Isao TASHIRO, Tomohiro MIZUGUCHI, Yasuhiro MAMADA, Yusuke OCHI
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Patent number: 9599335Abstract: A solid-fuel burner includes: a venturi having a constricting portion where the transverse cross section of a fuel passage is reduced in a fuel nozzle for supplying a solid fuel; and a fuel concentrator for diverting the flow in the nozzle outward in the wake side of the venturi, and the nozzle is formed so that (a) the aperture in the vicinity of an opening portion of a boiler furnace wall surface has a flat shape, (b) cross-sectional shape thereof orthogonal to a nozzle center axis C on the outer peripheral wall of the nozzle is circular in a transverse cross section up to the constricting portion of the venturi, (c) a portion that has a gradually increasing degree of flatness is provided between the constricting portion and the opening portion, and (d) the flat shape in the opening portion is where the degree of flatness reaches a maximum.Type: GrantFiled: August 9, 2013Date of Patent: March 21, 2017Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Toshihiko Mine, Kenji Kiyama, Miki Shimogori, Satoshi Tadakuma, Hitoshi Wakamatsu, Noriyuki Ohyatsu, Koji Kuramashi, Kenichi Ochi, Yusuke Ochi, Hirofumi Okazaki
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Patent number: 9601210Abstract: A semiconductor memory device includes a first stack of memory cells above a substrate, the first stack including a first memory cell and a second memory cell above the first memory cell, a second stack of memory cells above the substrate, the second stack including a third memory cell, a word line connected to the first, second, and third memory cells, and a controller configured to output data stored in the first memory cell and data stored in the third memory cell during a first cycle, and output data stored in the second memory cell during a second cycle that is different from the first cycle.Type: GrantFiled: February 25, 2016Date of Patent: March 21, 2017Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yusuke Ochi, Masanobu Shirakawa
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Publication number: 20160254059Abstract: A semiconductor memory device includes a first stack of memory cells above a substrate, the first stack including a first memory cell and a second memory cell above the first memory cell, a second stack of memory cells above the substrate, the second stack including a third memory cell, a word line connected to the first, second, and third memory cells, and a controller configured to output data stored in the first memory cell and data stored in the third memory cell during a first cycle, and output data stored in the second memory cell during a second cycle that is different from the first cycle.Type: ApplicationFiled: February 25, 2016Publication date: September 1, 2016Inventors: Yusuke OCHI, Masanobu SHIRAKAWA
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Publication number: 20160146463Abstract: In accordance with the flow distribution of combustion gas including an unburned portion, an after-air port (AAP) arranged downstream of the two-stage combustion burner can effectively reduce the unburned portion by dividing as appropriate so as to avoid interaction, and by mixing together, two types of after-air having functions of linearity and spreading. As the configuration of this AAP, a primary nozzle for supplying primary after-air and having a vertical height greater than the horizontal width is provided in the center in the opening of the AAP, a secondary nozzle for supplying secondary after-air is provided in the opening outside of the primary nozzle, and one or more secondary after-air guide vanes having a fixed or variable tilt angle relative to the after-air port center axis are provided at the outlet of the said secondary nozzle to deflect and supply the secondary after-air horizontally to the left or right.Type: ApplicationFiled: July 8, 2014Publication date: May 26, 2016Inventors: Kenji KIYAMA, Miki SHIMOGORI, Toshihiko MINE, Satoshi TADAKUMA, Kenichi OCHI, Koji KURAMASHI, Yusuke OCHI, Akira BABA, Yuki KONDO
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Publication number: 20150241058Abstract: A solid-fuel burner includes: a venturi having a constricting portion where the transverse cross section of a fuel passage is reduced in a fuel nozzle for supplying a solid fuel; and a fuel concentrator for diverting the flow in the nozzle outward in the wake side of the venturi, and the nozzle is formed so that (a) the aperture in the vicinity of an opening portion of a boiler furnace wall surface has a flat shape, (b) cross-sectional shape thereof orthogonal to a nozzle center axis C on the outer peripheral wall of the nozzle is circular in a transverse cross section up to the constricting portion of the venturi, (c) a portion that has a gradually increasing degree of flatness is provided between the constricting portion and the opening portion, and (d) the flat shape in the opening portion is where the degree of flatness reaches a maximum.Type: ApplicationFiled: August 9, 2013Publication date: August 27, 2015Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Toshihiko Mine, Kenji Kiyama, Miki Shimogori, Satoshi Tadakuma, Hitoshi Wakamatsu, Noriyuki Ohyatsu, Koji Kuramashi, Kenichi Ochi, Yusuke Ochi, Hirofumi Okazaki
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Patent number: 8714096Abstract: A pulverized coal boiler of the present invention is structured so as to form, among upper and lower after-air nozzles, an opening serving as an outlet of the lower after-air nozzle positioned on the upstream side is formed in a rectangular shape, a cylindrical section for defining a minimum flow path area of combustion air flowing through a flow path of the after-air nozzle is installed inside of the lower after-air nozzles along the flow path of the lower after-air nozzle, and a swirl blade for giving a swirl force to the combustion air flowing through the flow path of the after-air nozzles is installed inside of the cylindrical section, and the flow path of the lower after-air nozzles is formed so that a flow path area of the flow path of the after-air nozzles through which the combustion air flows from a position where the cylindrical section is installed toward the opening of each of the lower after-air nozzles is expanded.Type: GrantFiled: August 3, 2010Date of Patent: May 6, 2014Assignee: Babcock-Hitachi K.K.Inventors: Akihito Orii, Hirofumi Okazaki, Yusuke Ochi
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Publication number: 20130340659Abstract: In a boiler having plurality of burners arranged on a furnace wall of a furnace, each burner includes a cylindrical fuel nozzle for injecting a mixture of fuel and carrier gas therefor into the furnace; one or more cylindrical air nozzles provided on the outer circumference of the nozzle for injecting combustion air into the furnace, and a wind box for supplying combustion air to the nozzles in common. The wind box is provided with openings through which combustion air flows in from one direction perpendicular to the axial direction of the burner, and is partitioned by a partition wall to form plurality of parallel flow paths for the air flowing in through the openings. Some of the plurality of flow paths are connected to an upper part of the combustion air nozzle, and the other flow paths are connected to a lower part of the nozzle.Type: ApplicationFiled: February 22, 2011Publication date: December 26, 2013Applicant: BABCOCK-HITACHI KABUSHIKI KAISHAInventors: Yusuke Ochi, Kouji Kuramashi, Kenji Kiyama, Hirofumi Okazaki
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Publication number: 20130291770Abstract: A solid fuel burner and a combustion device using the solid fuel burner includes: a throat provided to the outer periphery of a fuel nozzle and injecting combustion gas into a furnace; a duct for delivering the combustion gas to the throat, the duct being provided with an inlet opening into which the gas is introduced from a direction perpendicular to the central axis of the nozzle and having a flow path formed so as to be bent at a right angle in the direction of the central axis of the nozzle; a damper provided in the duct; and a differential pressure detection device for detecting the difference between the pressure of the combustion gas flowing through the upstream portion of the duct and the pressure of the combustion gas flowing through the downstream portion of the duct. The damper is provided near and downstream of the inlet opening of the duct.Type: ApplicationFiled: January 16, 2012Publication date: November 7, 2013Applicant: BABCOCK-HITACHI KABUSHIKI KAISHAInventors: Jun Kashima, Hitoshi Okimura, Noriyuki Ohyatsu, Yusuke Ochi
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Publication number: 20120137938Abstract: A pulverized coal boiler of the present invention is structured so as to form, among upper and lower after-air nozzles, an opening serving as an outlet of the lower after-air nozzle positioned on the upstream side is formed in a rectangular shape, a cylindrical section for defining a minimum flow path area of combustion air flowing through a flow path of the after-air nozzle is installed inside of the lower after-air nozzles along the flow path of the lower after-air nozzle, and a swirl blade for giving a swirl force to the combustion air flowing through the flow path of the after-air nozzles is installed inside of the cylindrical section, and the flow path of the lower after-air nozzles is formed so that a flow path area of the flow path of the after-air nozzles through which the combustion air flows from a position where the cylindrical section is installed toward the opening of each of the lower after-air nozzles is expanded.Type: ApplicationFiled: August 3, 2010Publication date: June 7, 2012Inventors: Akihito Orii, Hirofumi Okazaki, Yusuke Ochi
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Publication number: 20110053102Abstract: An air nozzle provided on the outer side of a fuel nozzle of a solid fuel burner is divided into a plurality of regions, and has means for regulating air flow rates in nozzles divided in the upper and lower direction. The nozzles (regions) are connected to only the nozzle wall and have obstacles in the circumferential direction, dividing the inside of the nozzle into a plurality of regions, and by changing air flow rates in the respective regions in the outermost peripheral air nozzle, a deviation in momentum is caused in the vertical direction of the burner, a flame forming position is changed, and a combustion gas temperature at the furnace outlet, temperatures of a heat transfer tube installed on the furnace wall surface and a fluid flowing in the heat transfer tube or temperatures of heat transfer tubes provided in the furnace and a flue on the downstream side and temperatures of fluids flowing in the heat transfer tubes are controlled to be constant.Type: ApplicationFiled: April 3, 2009Publication date: March 3, 2011Applicant: BABCOCK-HITACHI KABUSHIKI KAISHAInventors: Hirofumi Okazaki, Kenji Kiyama, Yusuke Ochi, Kouji Kuramashi