Patents by Inventor Nobuyuki Nakamura
Nobuyuki Nakamura 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: 20240147723Abstract: A memory device includes source-level material layers including a source contact layer, an alternating stack of insulating layers and electrically conductive layers located over the source-level material layers, a memory opening vertically extending through the alternating stack and the source contact layer, and a memory opening fill structure located in the memory opening and including a vertical semiconductor channel including an intrinsic or first conductivity type semiconductor material, a memory film surrounding the vertical semiconductor channel, and a conical source pedestal in contact with the source contact layer and in contact with a bottom surface of the vertical semiconductor channel, such that at least portion of the conical source pedestal includes a second conductivity type semiconductor material.Type: ApplicationFiled: July 12, 2023Publication date: May 2, 2024Inventors: Motoo OHAGA, Tadashi NAKAMURA, Takashi YUDA, Nobuyuki FUJIMURA, Hiroyuki OGAWA
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Publication number: 20240128158Abstract: According to one or more embodiments of the disclosure, a through-silicon via (TSV)-Bump structure is provide. The TSV-Bump structure comprises a TSV in a semiconductor substrate and a bump on the TSV. The bump includes a conductive plug portion and a step structure portion under the conductive plug portion. The step structure is configured to electrically couple the TSV and the conductive plug portion with each other.Type: ApplicationFiled: October 14, 2022Publication date: April 18, 2024Applicant: Micron Technology, Inc.Inventors: YUTAKA NAKAE, NOBUYUKI NAKAMURA
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Patent number: 11946112Abstract: A high-strength steel sheet of the present invention has a specific chemical composition. Furthermore, in the steel sheet, a degree of Mn segregation in a specific region is 1.5 or less; a maximum P concentration in a specific region is 0.08 mass % or less; in a specific region, at least one specific MnS particle group is present, the number of specific MnS particle groups is 2.0 or fewer per 1 mm2, and the number of specific oxide-based inclusions is 8 or fewer per 1 mm2; of all oxide-based inclusions, oxide-based inclusions having a specific composition are present in a number ratio of 80% or greater; the microstructure includes, in terms of a volume fraction, 30 to 95% martensite, 5 to 70% ferrite phase, less than 30% (and 0% or greater) bainite, and less than 2.0% (and 0% or greater) austenite phase; and a tensile strength is 980 MPa or greater.Type: GrantFiled: August 22, 2019Date of Patent: April 2, 2024Assignee: JFE Steel CorporationInventors: Yoshihiko Ono, Yuma Honda, Shimpei Yoshioka, Koichi Taniguchi, Hiroshi Matsuda, Takeshi Murai, Nobuyuki Nakamura
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Publication number: 20240099155Abstract: A memory includes: a magnet including a first and second portions adjacent in a first direction. The first portion has a first dimension in a second direction at a first position at which a dimension of the magnet in the second direction is maximum, the second direction perpendicular to the first direction, the second portion has a second dimension in the second direction at a second position at which a dimension of the magnet in the second direction is minimum, the second dimension smaller than the first dimension, the first portion is continuous to the second portion via a third position between the first and second positions, a curve corresponding to an outer of the magnet extends between the first and third positions, and the curve passes through a side closer to the central axis of the magnet than a straight line connecting the first and second positions.Type: ApplicationFiled: September 11, 2023Publication date: March 21, 2024Applicant: Kioxia CorporationInventors: Masahiro KOIKE, Michael Arnaud QUINSAT, Nobuyuki UMETSU, Tsutomu NAKANISHI, Agung SETIADI, Megumi YAKABE, Shigeyuki HIRAYAMA, Masaki KADO, Yasuaki OOTERA, Shiho NAKAMURA, Susumu HASHIMOTO, Tsuyoshi KONDO
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Patent number: 11924958Abstract: A hard disk drive flexible printed circuit (FPC) includes a plurality of fingers extending from a main portion, with each finger having a first wiring layer including a first electrically conductive trace layout, a second wiring layer including a second electrically conductive trace layout, and a base film interposed between the first and second wiring layers, where the first conductive trace layout includes at least one thermally conductive protective island overlaying a respective portion of the second trace layout to provide a protective thermal barrier to the base film. Hence, maximum temperatures across various layers of the FPC laminate can be reduced, damage to the FPC prevented, and manufacturing yields improved.Type: GrantFiled: May 10, 2023Date of Patent: March 5, 2024Assignee: Western Digital Technologies, Inc.Inventors: Teruhiro Nakamiya, Kazuhiro Nagaoka, Satoshi Nakamura, Nobuyuki Okunaga
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Publication number: 20240024770Abstract: Disclosed herein is a server device including one or more processors having hardware. The one or more processors specify a status of a user and specify an activity to be recommended to the user, on the basis of the specified status of the user.Type: ApplicationFiled: July 12, 2023Publication date: January 25, 2024Applicant: Sony Interactive Entertainment Inc.Inventor: Nobuyuki Nakamura
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Publication number: 20240014102Abstract: An apparatus includes a through-silicon via (TSV) including a conductive material; a first contact plug having an upper surface and a bottom surface directly connected to an upper surface of the TSV; a first wiring directly connected to the upper surface of the first contact plug; a second wiring having an upper surface; a second contact plug having an upper surface and a bottom surface directly connected to the upper surface of the second wiring; and a third wiring directly connected to the upper surface of the second contact plug; wherein the first wiring and the third wiring are in a substantially same level.Type: ApplicationFiled: July 11, 2022Publication date: January 11, 2024Applicant: MICRON TECHNOLOGY, INC.Inventors: Yutaka Nakae, Nobuyuki Nakamura
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Patent number: 11846002Abstract: The high-strength steel sheet according to the present invention includes a specific chemical composition, a steel structure in which a total area fraction of martensite and bainite in a position of ¼ of a sheet thickness is 92% or more and 100% or less, the balance in a case where the total area fraction is not 100% contains retained austenite, and an area fraction of ferrite in a region extending up to 10 ?m in a sheet thickness direction from a surface is 10% or more and 40% or less, in which a tensile strength is 1320 MPa or more, and a Vickers hardness in a position of 15 ?m in the sheet thickness direction from the surface satisfies a specified formula.Type: GrantFiled: June 10, 2019Date of Patent: December 19, 2023Assignee: JFE STEEL CORPORATIONInventors: Shimpei Yoshioka, Yoshihiko Ono, Yuma Honda, Nobuyuki Nakamura
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Publication number: 20230372816Abstract: When a trophy unlock condition is fulfilled, a trophy processing section 124 grants a virtual award to a user playing a game. A transmission processing section 126 transmits, to a server device 5, acquisition information regarding a trophy acquired by the user. A trophy information acquiring section 150 acquires, from the server device 5, information regarding a trophy that has a possibility of being acquired by the user next. A display processing section 140 displays the information acquired by the trophy information acquiring section 150.Type: ApplicationFiled: September 24, 2021Publication date: November 23, 2023Inventors: Yasuo SASAKI, Nobuyuki NAKAMURA
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Publication number: 20220090247Abstract: A steel sheet having a specified chemical composition and a tensile strength of 1,320 MPa or more, and methods for producing the steel sheet. The steel sheet has a specified microstructure including martensite and bainite, the total area fraction of the martensite and the bainite being 92% or more and 100% or less, the balance being one or more selected from ferrite and retained austenite. The forumulae [%Ti]+[%Nb]>0.007 and [%Ti]×[%Nb]2?7.5×10?6 are satisfied in the chemical composition.Type: ApplicationFiled: October 25, 2019Publication date: March 24, 2022Applicant: JFE STEEL CORPORATIONInventors: Shimpei YOSHIOKA, Yoshihiko ONO, Yuma HONDA, Nobuyuki NAKAMURA
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Publication number: 20220056549Abstract: A steel sheet having a specified chemical composition and a tensile strength of 1,320 MPa or more, and methods for producing the steel sheet. The steel sheet has a specified microstructure including martensite and bainite, the total area fraction of the martensite and the bainite being 95% or more and 100% or less, the balance being one or more selected from ferrite and retained austenite. The forumulae [% Ti]+[% Nb]>0.007 and [% Ti]×[% Nb]2?7.5×10?6 are satisfied in the chemical composition.Type: ApplicationFiled: October 25, 2019Publication date: February 24, 2022Applicant: JFE STEEL CORPORATIONInventors: Shimpei YOSHIOKA, Yoshihiko ONO, Yuma HONDA, Nobuyuki NAKAMURA
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Publication number: 20210340641Abstract: A high-strength steel sheet of the present invention has a specific chemical composition. Furthermore, in the steel sheet, a degree of Mn segregation in a specific region is 1.5 or less; a maximum P concentration in a specific region is 0.08 mass % or less; in a specific region, the number of specific MnS particle groups is 2.0 or fewer per 1 mm2, and the number of specific oxide-based inclusions is 8 or fewer per 1 mm2; of all of the oxide-based inclusions, oxide-based inclusions having a specified composition are present in a number ratio of 80% or greater; the microstructure includes, in terms of a volume fraction, 30 to 95% martensite and bainite in total, 5 to 70% ferrite phase, and less than 3% (and 0% or greater) austenite phase; and a tensile strength is 980 MPa or greater.Type: ApplicationFiled: August 22, 2019Publication date: November 4, 2021Applicant: JFE Steel CorporationInventors: Yoshihiko Ono, Yuma Honda, Shimpei Yoshioka, Koichi Taniguchi, Nobuyuki Nakamura, Takeshi Murai
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Publication number: 20210332454Abstract: A high-strength steel sheet of the present invention has a specific chemical composition. Furthermore, in the steel sheet, a degree of Mn segregation in a specific region is 1.5 or less; a maximum P concentration in a specific region is 0.08 mass % or less; in a specific region, at least one specific MnS particle group is present, the number of specific MnS particle groups is 2.0 or fewer per 1 mm2, and the number of specific oxide-based inclusions is 8 or fewer per 1 mm2; of all oxide-based inclusions, oxide-based inclusions having a specific composition are present in a number ratio of 80% or greater; the microstructure includes, in terms of a volume fraction, 30 to 95% martensite, 5 to 70% ferrite phase, less than 30% (and 0% or greater) bainite, and less than 2.0% (and 0% or greater) austenite phase; and a tensile strength is 980 MPa or greater.Type: ApplicationFiled: August 22, 2019Publication date: October 28, 2021Applicant: JFE Steel CorporationInventors: Yoshihiko Ono, Yuma Honda, Shimpei Yoshioka, Koichi Taniguchi, Hiroshi Matsuda, Takeshi Murai, Nobuyuki Nakamura
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Publication number: 20210310094Abstract: The high-strength steel sheet according to the present invention includes a specific chemical composition, a steel structure in which a total area fraction of martensite and bainite in a position of ¼ of a sheet thickness is 92% or more and 100% or less, the balance in a case where the total area fraction is not 100% contains retained austenite, and an area fraction of ferrite in a region extending up to 10 ?m in a sheet thickness direction from a surface is 10% or more and 40% or less, in which a tensile strength is 1320 MPa or more, and a Vickers hardness in a position of 15 ?m in the sheet thickness direction from the surface satisfies a specified formula.Type: ApplicationFiled: June 10, 2019Publication date: October 7, 2021Applicant: JFE Steel CorporationInventors: Shimpei Yoshioka, Yoshihiko Ono, Yuma Honda, Nobuyuki Nakamura
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Patent number: 10982297Abstract: A steel sheet having a specified chemical composition and a method for producing the steel sheet. The steel sheet has a microstructure including martensite and bainite. The total area fraction of the martensite and the bainite to the entirety of the microstructure is more than 90% and 100% or less. The microstructure includes inclusion clusters A and B, the content of the clusters A in the microstructure being 2 clusters/mm2 or less, and the content of the clusters B in the microstructure being 5 clusters/mm2 or less. The microstructure includes carbide particles including Fe as a main constituent which have an aspect ratio of 2.0 or less and a major axis of 0.30 ?m or more and 2 ?m or less. The content of the carbide particles in the microstructure is 4000 particles/mm2 or less. The microstructure includes prior ? grains having an average size of 6 to 15 ?m.Type: GrantFiled: September 28, 2017Date of Patent: April 20, 2021Assignee: JFE STEEL CORPORATIONInventors: Yoshihiko Ono, Shimpei Yoshioka, Nobuyuki Nakamura, Hiroshi Hasegawa
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Patent number: 10969591Abstract: A transmitting and receiving section receives an image rendered on the basis of a position or an orientation of a head mounted display at a first time together with information regarding the position or the orientation at the first time. A correction section corrects the image by acquiring information regarding a position or an orientation of the head mounted display at a second time of displaying the image, translating or rotationally moving a visual field of the head mounted display in a screen coordinate system in response to a difference between the position or the orientation at the first time and the position or the orientation at the second time, and pasting the image on the translated or rotationally moved visual field as a texture.Type: GrantFiled: December 5, 2018Date of Patent: April 6, 2021Assignee: Sony Interactive Entertainment Inc.Inventor: Nobuyuki Nakamura
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Patent number: 10870902Abstract: A cold-rolled steel sheet has: a predetermined chemical composition; and a microstructure in which tempered martensite and bainite are contained in a total area ratio of 95-100% with respect to a whole volume of the microstructure; a number of predetermined inclusion groups is at most 0.8/mm2, the inclusion groups being formed by one or more inclusion particles, the one or more inclusion particles having a major axis length of 0.3 ?m or more and extending and/or distributed in a dot-sequence manner along a rolling direction; a number of carbides mainly composed of Fe having a predetermined size is at most 3,500/mm2; a number of carbides that are distributed in the tempered martensite and/or in the bainite and that have a diameter of 10 nm to 50 nm is at least 0.7×107/mm2; and prior ? grains have a mean grain size of 18 ?m or less.Type: GrantFiled: March 23, 2016Date of Patent: December 22, 2020Assignee: JFE STEEL CORPORATIONInventors: Yoshihiko Ono, Yoshimasa Funakawa, Ryosuke Yamaguchi, Nobuyuki Nakamura
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Publication number: 20200319463Abstract: A transmitting and receiving section receives an image rendered on the basis of a position or an orientation of a head mounted display at a first time together with information regarding the position or the orientation at the first time. A correction section corrects the image by acquiring information regarding a position or an orientation of the head mounted display at a second time of displaying the image, translating or rotationally moving a visual field of the head mounted display in a screen coordinate system in response to a difference between the position or the orientation at the first time and the position or the orientation at the second time, and pasting the image on the translated or rotationally moved visual field as a texture.Type: ApplicationFiled: December 5, 2018Publication date: October 8, 2020Applicant: Sony Interactive Entertainment Inc.Inventor: Nobuyuki Nakamura
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Patent number: 10400316Abstract: A high strength hot rolled steel sheet with good formability, which has good magnetic properties, excellent punchability, and a tensile strength of 780 MPa or more. The high strength hot rolled steel sheet having a chemical composition containing C: 0.070% to 0.140%, Si: 0.10% to 1.00%, Mn: 1.00% to 1.80%, P: 0.050% or less, S: 0.0050% or less, N: 0.0080% or less, Al: 0.010% to 0.100%, Ti: 0.050% to 0.150%, and the remainder composed of Fe and incidental impurities, on a percent by mass basis, and 95% or more of bainite microstructure on a volume fraction basis, wherein carbides constituting 80% or more of total precipitation carbides are dispersed at grain boundaries of bainitic ferrite constituting the bainite microstructure and 80% or more of total precipitation carbides have particle grain sizes of 20 to 300 nm.Type: GrantFiled: March 11, 2014Date of Patent: September 3, 2019Assignee: JFE STEEL CORPORATIONInventors: Katsumi Nakajima, Yoshimasa Funakawa, Nobuyuki Nakamura
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Publication number: 20190194775Abstract: A steel sheet having a specified chemical composition and a method for producing the steel sheet. The steel sheet has a microstructure including martensite and bainite. The total area fraction of the martensite and the bainite to the entirety of the microstructure is more than 90% and 100% or less. The microstructure includes inclusion clusters A and B, the content of the clusters A in the microstructure being 2 clusters/mm2 or less, and the content of the clusters B in the microstructure being 5 clusters/mm2 or less. The microstructure includes carbide particles including Fe as a main constituent which have an aspect ratio of 2.0 or less and a major axis of 0.30 ?m or more and 2 ?m or less. The content of the carbide particles in the microstructure is 4000 particles/mm2 or less. The microstructure includes prior ? grains having an average size of 6 to 15 ?m.Type: ApplicationFiled: September 28, 2017Publication date: June 27, 2019Applicant: JFE STEEL CORPORATIONInventors: Yoshihiko ONO, Shimpei YOSHIOKA, Nobuyuki NAKAMURA, Hiroshi HASEGAWA