Patents by Inventor Hajime Ito
Hajime Ito 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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METHOD FOR PRODUCING ORGANOMETALLIC NUCLEOPHILE AND REACTION METHOD USING ORGANOMETALLIC NUCLEOPHILE
Publication number: 20230271988Abstract: A method for producing an organometallic nucleophile includes reacting an organohalide and a metal or metal compound with each other by a mechanochemical process in the presence of an ether compound in an amount of 0.5 to 10.0 equivalents relative to 1 equivalent of the organohalide. By utilizing the method, a method for producing an organometallic nucleophile can be performed without using a large-scale apparatus, a reaction method for reactions between an organometallic nucleophile and various organic electrophiles can be performed by an efficient and simplified means, and a simplified method for producing an organometallic nucleophile can be performed with high reactivity.Type: ApplicationFiled: March 18, 2022Publication date: August 31, 2023Inventors: Hajime ITO, Koji KUBOTA -
Publication number: 20230150919Abstract: Disclosed is a method for producing a mono-cross-coupled aromatic compound (3-1) having one less leaving group than an aromatic compound (1) having at least two leaving groups, the method comprising: preparing the aromatic compound (1) having at least two leaving groups; preparing a compound (2) capable of undergoing a cross-coupling reaction selected from an aromatic boronic acid (2-1), an aromatic amino compound (2-2), a diboronic acid ester (2-3), an aromatic compound (2-4) having a hydroxyl group and an aromatic compound (2-5) having a thiol group; and performing a cross-coupling reaction of the aromatic compound (1) having at least two leaving groups with the compound (2) in the presence of a palladium catalyst and a base, in the absence of a solvent.Type: ApplicationFiled: March 2, 2021Publication date: May 18, 2023Applicant: National University Corporation Hokkaido UniversityInventors: Hajime Ito, Koji Kubota
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Publication number: 20220306654Abstract: Disclosed are a method for producing a highly reactive intermediate, which comprises: preparing an electron-accepting active compound (1), preparing a piezoelectric material (3), and applying mechanical strain to the piezoelectric material (3) in the presence of the electron-accepting active compound (1) and the piezoelectric material (3), and subjecting the compound (1) to one-electron reduction to generate a corresponding highly reactive intermediate; a redox reaction method using the method for producing the same; and a method for producing a redox reaction product.Type: ApplicationFiled: September 4, 2020Publication date: September 29, 2022Inventors: Hajime ITO, Koji KUBOTA
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Patent number: 11453678Abstract: Disclosed is a cross-coupling reaction method which forms a chemical bond selected from C—N, C—B, C—C, C—O and C—S bonds, the method comprising: preparing an aromatic compound (1) having a leaving group; preparing a compound (2) capable of undergoing a cross-coupling reaction selected from an aromatic amino compound (2-1), a diboronic acid ester or the like (2-2), an aromatic boronic acid or the like (2-3), an aromatic compound (2-4) having a hydroxyl group and an aromatic compound (2-5) having a thiol group; and performing a cross-coupling reaction of the compound (1) with the compound (2) in the presence of a palladium catalyst, a base and a compound (4) having a carbon-carbon double bond or a carbon-carbon triple bond, in the absence of a solvent.Type: GrantFiled: October 23, 2019Date of Patent: September 27, 2022Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Hajime Ito, Koji Kubota
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Patent number: 11364957Abstract: Provided is a rear vehicle-body structure of a vehicle, capable of reducing vibrations transmitted from a rear wheel to a floor panel, while ensuring required performance for rear side frames and a cross member. The rear vehicle-body structure comprises a symmetric pair of frame members extending in a vehicle longitudinal direction along respective lateral sides of a rear of a vehicle body of the vehicle, and a rear-side rear cross member bridging the symmetric pair of frame members in a vehicle width direction, wherein an attachment portion between each of the frame members and the rear-side rear cross member provided with rigidity difference generation part to generate a rigidity difference between the frame member and the rear-side rear cross member.Type: GrantFiled: June 14, 2019Date of Patent: June 21, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Hajime Ito, Hiroaki Ishizu, Akiyoshi Masuda, Shunsuke Hirai, Yuuki Sano, Masashi Notomi, Takumi Fukuda, Hidemitsu Shinhara, Masahiro Awane, Hidekazu Shiraishi, Yasuhiko Nishida, Takanori Yoshida, Ken Yamada
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Publication number: 20210387994Abstract: Disclosed is a cross-coupling reaction method which forms a chemical bond selected from C—N, C—B, C—C, C—O and C—S bonds, the method comprising: preparing an aromatic compound (1) having a leaving group; preparing a compound (2) capable of undergoing a cross-coupling reaction selected from an aromatic amino compound (2-1), a diboronic acid ester or the like (2-2), an aromatic boronic acid or the like (2-3), an aromatic compound (2-4) having a hydroxyl group and an aromatic compound (2-5) having a thiol group; and performing a cross-coupling reaction of the compound (1) with the compound (2) in the presence of a palladium catalyst, a base and a compound (4) having a carbon-carbon double bond or a carbon-carbon triple bond, in the absence of a solvent.Type: ApplicationFiled: October 23, 2019Publication date: December 16, 2021Inventors: Hajime ITO, Koji KUBOTA
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Patent number: 11084835Abstract: Provided is a 2,3-bisphosphinopyrazine derivative represented by the following general formula (1), wherein R1, R2, R3, and R4 represent an optionally substituted straight-chain or branched alkyl group having 1 to 10 carbon atoms, an optionally substituted cycloalkyl group, an optionally substituted adamantyl group, or an optionally substituted phenyl group, R5 represents an optionally substituted alkyl group having 1 to 10 carbon atoms or an optionally substituted phenyl group, each R5 may be the same group or a different group, R6 represents a monovalent substituent, n denotes an integer of 0 to 2.Type: GrantFiled: March 1, 2019Date of Patent: August 10, 2021Assignees: NIPPON CHEMICAL INDUSTRIAL CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Hajime Ito, Hiroaki Iwamoto, Tsuneo Imamoto, Ken Tamura, Natsuhiro Sano
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Publication number: 20210214016Abstract: Provided is a rear vehicle-body structure of a vehicle, capable of reducing vibrations transmitted from a rear wheel to a floor panel, while ensuring required performance for rear side frames and a cross member. The rear vehicle-body structure comprises a symmetric pair of frame members 6 extending in a vehicle longitudinal direction along respective lateral sides of a rear of a vehicle body of the vehicle, and a rear-side rear cross member 13 bridging the symmetric pair of frame members 6 in a vehicle width direction, wherein an attachment portion between each of the frame members 6 and the rear-side rear cross member 13 is provided with rigidity difference generation means 20 to generate a rigidity difference between the frame member 6 and the rear-side rear cross member 13.Type: ApplicationFiled: June 14, 2019Publication date: July 15, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Hajime ITO, Hiroaki ISHIZU, Akiyoshi MASUDA, Shunsuke HIRAI, Yuuki SANO, Masashi NOTOMI, Takumi FUKUDA, Hidemitsu SHINHARA, Masahiro AWANE, Hidekazu SHIRAISHI, Yasuhiko NISHIDA, Takanori YOSHIDA, Ken YAMADA
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Patent number: 11053265Abstract: An optically active 2,3-bisphosphinopyrazine derivative represented by the following general formula (1): wherein R1 represents a group selected from a branched alkyl group having 3 or more carbon atoms, an adamantyl group, an optionally substituted cycloalkyl group, and an optionally substituted aryl group; R2 represents a group selected from a branched alkyl group having 3 or more carbon atoms, an adamantyl group, and an optionally substituted cycloalkyl group, provided that when R1 is a tert-butyl group, R1 and R2 are not the same; R3 represents a monovalent substituent; n represents an integer of 0 to 4; and * represents an asymmetric center on a phosphorus atom.Type: GrantFiled: September 28, 2018Date of Patent: July 6, 2021Assignees: NIPPON CHEMICAL INDUSTRIAL CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Hajime Ito, Hiroaki Iwamoto, Tsuneo Imamoto, Ken Tamura
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Publication number: 20210047351Abstract: Provided is a 2,3-bisphosphinopyrazine derivative represented by the following general formula (1), wherein R1, R2, R3, and R4 represent an optionally substituted straight-chain or branched alkyl group having 1 to 10 carbon atoms, an optionally substituted cycloalkyl group, an optionally substituted adamantyl group, or an optionally substituted phenyl group, R5 represents an optionally substituted alkyl group having 1 to 10 carbon atoms or an optionally substituted phenyl group, each R5 may be the same group or a different group, R6 represents a monovalent substituent, n denotes an integer of 0 toType: ApplicationFiled: March 1, 2019Publication date: February 18, 2021Applicants: Nippon Chemical Industrial Co., Ltd., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Hajime Ito, Hiroaki Iwamoto, Tsuneo Imamoto, Ken Tamura, Natsuhiro Sano
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Publication number: 20200377536Abstract: An optically active 2,3-bisphosphinopyrazine derivative represented by the following general formula (1): wherein R1 represents a group selected from a branched alkyl group having 3 or more carbon atoms, an adamantyl group, an optionally substituted cycloalkyl group, and an optionally substituted aryl group; R2 represents a group selected from a branched alkyl group having 3 or more carbon atoms, an adamantyl group, and an optionally substituted cycloalkyl group, provided that when R1 is a tert-butyl group, R1 and R2 are not the same; R3 represents a monovalent substituent; n represents an integer of 0 to 4; and * represents an asymmetric center on a phosphorus atom.Type: ApplicationFiled: September 28, 2018Publication date: December 3, 2020Applicants: Nippon Chemical Industrial Co., Ltd., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Hajime Ito, Hiroaki Iwamoto, Tsuneo Imamoto, Ken Tamura
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Publication number: 20200025590Abstract: A connection structure includes a terminal with an electric wire attached thereto and with an insertion hole, a sheet-shaped conductive member including a cut portion formed by being cut in to be pierced from a front surface to a rear surface thereof, and a rivet swaged while inserting a swaged portion into the insertion hole and the cut portion and rolling together the conductive member of the cut portion to have a conduction between the terminal and the conductive member.Type: ApplicationFiled: September 27, 2017Publication date: January 23, 2020Applicant: Kabushiki Kaisha Tokai Rika Deniki SeisakushoInventor: Hajime ITO
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Patent number: 10488669Abstract: To provide a head-mounted display that can be mounted on a helmet which can take various shapes, that permits adjustments of a mounting position with respect to the helmet to any desired position, that facilitates mounting and removal, and that permits disposition of a display at any position. A head-mounted display includes a mounting portion that can be removed from a helmet, a connector that is connected with the mounting portion and that allows a position to be freely adjusted. A display is disposed at a distal end of the connector, the display includes a positioner, and a positioned portion at which the positioner is positioned is fixed to the helmet such that a position can be freely adjusted.Type: GrantFiled: February 28, 2018Date of Patent: November 26, 2019Assignee: HONDA MOTOR CO., Ltd.Inventors: Daisuke Kuriki, Hajime Ito, Tomoko Ino
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Publication number: 20180275413Abstract: To provide a head-mounted display that can be mounted on a helmet which can take various shapes, that permits adjustments of a mounting position with respect to the helmet to any desired position, that facilitates mounting and removal, and that permits disposition of a display at any position. A head-mounted display includes a mounting portion that can be removed from a helmet, a connector that is connected with the mounting portion and that allows a position to be freely adjusted. A display is disposed at a distal end of the connector, the display includes a positioner, and a positioned portion at which the positioner is positioned is fixed to the helmet such that a position can be freely adjusted.Type: ApplicationFiled: February 28, 2018Publication date: September 27, 2018Inventors: Daisuke Kuriki, Hajime Ito, Tomoko Ino
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Publication number: 20160293527Abstract: A mounting unit is provided with the following: a molded resin part; a lead frame that is supported by the molded resin part and that includes a plurality of frame pieces, where each of the plurality of frame pieces includes lands; and an electronic component that is electrically connected to the lands of the plurality of frame pieces. The molded resin part has one side that intersects the plurality of frame pieces. The plurality of frame pieces are disposed in parallel.Type: ApplicationFiled: November 27, 2014Publication date: October 6, 2016Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventor: Hajime ITO
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Patent number: 9380863Abstract: A folding table includes: a table body provided with a pair of hinge pins and a pair of lock pins, each of the pairs protruding oppositely in left-right direction; and a pair of left and right brackets having shaft holes in which the hinge pins are inserted and movable holes in which the lock pins are inserted. Spring members mounted in the movable holes press the lock pins. The table body is rotatably supported by the brackets affixed to a wall surface. The folding table has closing plates having through-holes respectively through which the hinge pins and the lock pins are penetrated. The closing plates are sandwiched between the table body and the brackets to close the movable holes.Type: GrantFiled: October 30, 2013Date of Patent: July 5, 2016Assignees: NIPPON SHARYO, LTD., CENTRAL JAPAN RAILWAY COMPANYInventors: Kei Sakanoue, Hajime Ito, Tadashi Fujii, Hiroaki Isogai, Kenichi Tanaka, Takehiro Ishigami, Toshihiro Suzuki
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Publication number: 20150282608Abstract: A folding table includes: a table body provided with a pair of hinge pins and a pair of lock pins, each of the pairs protruding oppositely in left-right direction; and a pair of left and right brackets having shaft holes in which the hinge pins are inserted and movable holes in which the lock pins are inserted. Spring members mounted in the movable holes press the lock pins. The table body is rotatably supported by the brackets affixed to a wall surface. The folding table has closing plates having through-holes respectively through which the hinge pins and the lock pins are penetrated. The closing plates are sandwiched between the table body and the brackets to close the movable holes.Type: ApplicationFiled: October 30, 2013Publication date: October 8, 2015Applicants: CENTRAL JAPAN RAILWAY COMPANY, NIPPON SHARYO, LTD.Inventors: Kei Sakanoue, Hajime Ito, Tadashi Fujii, Hiroaki Isogai, Kenichi Tanaka, Takehiro Ishigami, Toshihiro Suzuki
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Publication number: 20140240940Abstract: A connection structure for an electronic component, which is set on two lead frames spaced apart from each other. The electronic component is connected to the two lead frames by a conductive joining member. The connection structure includes two electrodes arranged on at least portions of a lower surface of the electronic component. The two electrodes respectively face the two lead frames. A receiving surface is included in each of the two lead frames immediately below the corresponding electrode. The receiving surface extends from a supporting portion supporting the electronic component toward the other one of the lead frames and away from the electronic component. The conductive joining member is located between the receiving surface of each of the two lead frames and the corresponding one of the electrodes.Type: ApplicationFiled: February 21, 2014Publication date: August 28, 2014Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventor: Hajime ITO
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Patent number: D867208Type: GrantFiled: October 9, 2017Date of Patent: November 19, 2019Assignees: Hitachi, Ltd., Central Japan Railway Company, A & F CorporationInventors: Yukinobu Abe, Tohru Watanabe, Kiyoshi Morita, Takashi Furukawa, Yuuji Ueno, Yasuhide Ueda, Hajime Ito, Yuichi Ahiko, Hiroki Shimoyama, Tadashi Fujii, Hideto Sanui, Kyohei Suzuki, Tetsuo Fukuda, Ichiro Fukuda
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Patent number: D884557Type: GrantFiled: December 21, 2016Date of Patent: May 19, 2020Assignees: Hitachi, Ltd., Central Japan Railway Company, A & F CorporationInventors: Yukinobu Abe, Tohru Watanabe, Kiyoshi Morita, Takashi Furukawa, Yuuji Ueno, Hajime Ito, Yuichi Ahiko, Hiroki Shimoyama, Tadashi Fujii, Eiji Sato, Kyohei Suzuki, Tetsuo Fukuda, Ichiro Fukuda