Patents by Inventor Seiji Ito
Seiji 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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Publication number: 20240383025Abstract: Provided is a forged steel roll for cold rolling with a Vickers hardness Hy at 400° C. of 400 or more.Type: ApplicationFiled: August 3, 2021Publication date: November 21, 2024Applicant: NIPPON STEEL CORPORATIONInventors: Seiji ITO, Yoshiki TAKAHAMA, Kaho HIRAYAMA, Hakuei HIROKAWA, Kazuya HANAORI, Tomoaki SERA
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Patent number: 11819964Abstract: Provided is a nut and a bolt tightening method for fastening an object, wherein a tightening force is applied on the object by rotating a nut or a bolt in a state in which a predetermined tension force is applied on the bolt in the axial direction of the bolt. When the tensile force exerted on the bolt decreases as the tightening force increases and after a timing when an inflection point occurs in a time course change in a ratio of an amount of change in the tensile force exerted on the bolt to an amount of change in an angle of rotation of the nut or the bolt, the tightening resulting from the rotation of the nut or bolt is terminated and the tensile force applied on the bolt is removed.Type: GrantFiled: May 8, 2019Date of Patent: November 21, 2023Assignees: TOHNICHI MFG.CO., LTD., SHIBAURA INSTITUTE OF TECHNOLOGYInventors: Tomohiro Ogata, Kyoichi Komatsu, Seiji Ito, Shinji Hashimura
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Patent number: 11772213Abstract: Tightening device can fasten a fastening element by a target tightening force with good accuracy and facilitate automation. The tightening device includes a cylindrical drive socket holding a nut in the lower end opening thereof; a nut holder disposed inside the drive socket, a bolt passing through a bottom thereof, and regulating movement of the nut held by the drive socket toward the tip end of a threaded par; a tension rod which is disposed inside the nut holder and the lower end face of which has a threaded hole into which a portion of the threaded part that is further on the tip end side than the nut is screwed; a sensor for detecting tension force; a first motor for turning the tension rod around an axis that extends in the vertical direction; and a second motor for turning the drive socket around an axis.Type: GrantFiled: May 15, 2019Date of Patent: October 3, 2023Assignee: TOHNICHI MFG.CO., LTD.Inventors: Tomohiro Ogata, Kyoichi Komatsu, Seiji Ito
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Patent number: 11660713Abstract: A fastening device for fastening a bolt to a fastening target object, wherein the bolt has a bolt head female screw section in an inner circumferential surface of a recess provided in an upper surface of a bolt head section. The fastening device includes a tension rod having a rod male screw section engaging the bolt head female screw section; a drive socket circumferentially surrounding the tension rod and having a lower end section with a grasper for laterally grasping the bolt head section; a supporter circumferentially surrounding the drive socket and having a lower end section protruding downward beyond a lower end section of the drive socket; a sensor for sensing compression force acting on the supporter in the upward/downward direction; a first motor for rotating the tension rod around an axis extending in the upward/downward direction; and a second motor for rotating the drive socket around the axis.Type: GrantFiled: May 16, 2022Date of Patent: May 30, 2023Assignee: TOHNICHI MFG. CO., LTD.Inventors: Tomohiro Ogata, Kyoichi Komatsu, Seiji Ito
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Publication number: 20220274217Abstract: A fastening device for fastening a bolt to a fastening target object, wherein the bolt has a bolt head female screw section in an inner circumferential surface of a recess provided in an upper surface of a bolt head section. The fastening device includes a tension rod having a rod male screw section engaging the bolt head female screw section; a drive socket circumferentially surrounding the tension rod and having a lower end section with a grasper for laterally grasping the bolt head section; a supporter circumferentially surrounding the drive socket and having a lower end section protruding downward beyond a lower end section of the drive socket; a sensor for sensing compression force acting on the supporter in the upward/downward direction; a first motor for rotating the tension rod around an axis extending in the upward/downward direction; and a second motor for rotating the drive socket around the axis.Type: ApplicationFiled: May 16, 2022Publication date: September 1, 2022Inventors: Tomohiro OGATA, Kyoichi KOMATSU, Seiji ITO
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Patent number: 11364580Abstract: In a fastening device for fastening a bolt, a male thread is formed on a side surface of a bolt head part, and a part to be engaged is formed on a top surface of the bolt head part. The fastening device includes a bit having a tension rod having a rod female thread part, and an engaging part installed inside the tension rod and engaging the engaged part, the bit causing the bolt to rotate where the engaged part and engaging part are engaged; a supporter surrounding the tension rod in the circumferential direction such that the lower end part thereof protrudes below the lower end part; a sensor for sensing vertical compression force acting on the supporter; a first motor for causing the bit to rotate about the axis; and a second motor for causing the tension rod to rotate about the vertically extending axis.Type: GrantFiled: May 15, 2019Date of Patent: June 21, 2022Assignee: TOHNICHI MFG. CO., LTD.Inventors: Tomohiro Ogata, Kyoichi Komatsu, Seiji Ito
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Patent number: 11171393Abstract: According to one embodiment, a battery module includes a plurality of sub-modules. The plurality of sub-modules are integrated. Each of the plurality of sub-modules includes a cell group configured using a plurality of cells connected in series. The plurality of cells configuring the cell group are arranged linearly such that intra-cell current directions are parallel and the intra-cell current direction of each of the cells is opposite to the intra-cell current direction of the cell adjacent to each cell in the cell group. Each of the plurality of sub-modules includes an input terminal to input a current to the cell group and an output terminal to output the current from the cell group.Type: GrantFiled: February 20, 2020Date of Patent: November 9, 2021Assignee: Kabushiki Kaisha ToshibaInventors: Hiroyuki Kobayashi, Tomomi Kageyama, Takeshi Yasuda, Kaoru Koiwa, Seiji Ito, Tomonori Ezoe
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Patent number: 11081757Abstract: According to embodiments, a battery includes: a rectangular box-shaped battery case, an inner portion of which is sealed; a battery module housed in the battery case and being an aggregation of a plurality of battery cells; and a tubular heat resistant sheet arranged between the battery case and the battery module in a state of covering an entire side surface of an inner wall surface of the battery case.Type: GrantFiled: June 28, 2018Date of Patent: August 3, 2021Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya Ogawa, Keitaro Hino, Tadashi Fujisawa, Shinya Aikawa, Hiroaki Asai, Tomonori Ezoe, Seiji Ito
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Publication number: 20210213575Abstract: In a fastening device for fastening a bolt, a male thread is formed on a side surface of a bolt head part, and a part to be engaged is formed on a top surface of the bolt head part. The fastening device includes a bit having a tension rod having a rod female thread part, and an engaging part installed inside the tension rod and engaging the engaged part, the bit causing the bolt to rotate where the engaged part and engaging part are engaged; a supporter surrounding the tension rod in the circumferential direction such that the lower end part thereof protrudes below the lower end part; a sensor for sensing vertical compression force acting on the supporter; a first motor for causing the bit to rotate about the axis; and a second motor for causing the tension rod to rotate about the vertically extending axis.Type: ApplicationFiled: May 15, 2019Publication date: July 15, 2021Inventors: Tomohiro OGATA, Kyoichi KOMATSU, Seiji ITO
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Publication number: 20210146489Abstract: Tightening device can fasten a fastening element by a target tightening force with good accuracy and facilitate automation. The tightening device includes a cylindrical drive socket holding a nut in the lower end opening thereof; a nut holder disposed inside the drive socket, a bolt passing through a bottom thereof, and regulating movement of the nut held by the drive socket toward the tip end of a threaded par; a tension rod which is disposed inside the nut holder and the lower end face of which has a threaded hole into which a portion of the threaded part that is further on the tip end side than the nut is screwed; a sensor for detecting tension force; a first motor for turning the tension rod around an axis that extends in the vertical direction; and a second motor for turning the drive socket around an axis.Type: ApplicationFiled: May 15, 2019Publication date: May 20, 2021Inventors: Tomohiro OGATA, Kyoichi KOMATSU, Seiji ITO
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Publication number: 20210138594Abstract: Provided is a nut and a bolt tightening method for fastening an object, wherein a tightening force is applied on the object by rotating a nut or a bolt in a state in which a predetermined tension force is applied on the bolt in the axial direction of the bolt. When the tensile force exerted on the bolt decreases as the tightening force increases and after a timing when an inflection point occurs in a time course change in a ratio of an amount of change in the tensile force exerted on the bolt to an amount of change in an angle of rotation of the nut or the bolt, the tightening resulting from the rotation of the nut or bolt is terminated and the tensile force applied on the bolt is removed.Type: ApplicationFiled: May 8, 2019Publication date: May 13, 2021Inventors: Tomohiro OGATA, Kyoichi KOMATSU, Seiji ITO, Shinji HASHIMURA
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Patent number: 10850376Abstract: A tensioning device is configured to apply upward tension to a bolt-nut fastener including a bolt fitted with a fastened member H, and a nut to be fastened to a shaft of the bolt, which protrudes from the fastened member. A first male thread portion is formed on an outer circumferential surface of the nut. The tensioning device includes a connection member having a first female thread portion to be engaged with the first male thread portion, a tensioning mechanism for tensioning the nut via the connection member in a state where the first male thread portion is engaged with the first female thread portion, and a tension bearer which is disposed around an outer circumference of the connection member, and bears a reaction force applied from the fastened member H in tensioning performed by the tensioning mechanism.Type: GrantFiled: October 10, 2018Date of Patent: December 1, 2020Assignee: TOHNICHI MFG. CO., LTD.Inventors: Kyoichi Komatsu, Hiroshi Tsuji, Osamu Tsuji, Seiji Ito
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Patent number: 10828759Abstract: To provide a tensioning device capable of tensioning a bolt from a bolt head side while suppressing increase in the number of components. A tensioning device is configured to apply upward tension to a bolt fastened to a fastened member H. A first male thread portion is formed on an outer circumferential surface of a head of the bolt. The tensioning device includes a connection member having a first female thread portion to be threadly engaged with the first male thread portion, a tensioning mechanism for tensioning the bolt via the connection member in a state where the first male thread portion is threadly engaged with the first female thread portion, and a tension bearer which is disposed around an outer circumference of the connection member, and bears a reaction force applied from the fastened member H in tensioning performed by the tensioning mechanism.Type: GrantFiled: October 10, 2018Date of Patent: November 10, 2020Assignee: TOHNICHI MFG. CO., LTD.Inventors: Hiroshi Tsuji, Kyoichi Komatsu, Osamu Tsuji, Seiji Ito
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Patent number: 10794416Abstract: An error of an axial force detection is reduced by tensioning a bolt with a tensioning device engaged with a part of the bolt, different from a shaft portion of the bolt. A tensioning device is configured to apply upward tension to a bolt fastened to a fastened member H, and fitted with a washer. A first male thread portion is formed on an outer circumferential surface of the washer. The tensioning device includes a connection member having a first female thread portion to be engaged with the first male thread portion, a tensioning mechanism for tensioning the connection member in a state where the first male thread portion is engaged with the first female thread portion, and a tension bearer which is disposed around an outer circumference of the connection member, and bears a reaction force applied from the fastened member H in tensioning performed by the tensioning mechanism.Type: GrantFiled: October 10, 2018Date of Patent: October 6, 2020Assignee: TOHNICHI MFG. CO., LTD.Inventors: Kyoichi Komatsu, Hiroshi Tsuji, Osamu Tsuji, Seiji Ito
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Publication number: 20200185687Abstract: According to one embodiment, a battery module includes a plurality of sub-modules. The plurality of sub-modules are integrated. Each of the plurality of sub-modules includes a cell group configured using a plurality of cells connected in series. The plurality of cells configuring the cell group are arranged linearly such that intra-cell current directions are parallel and the intra-cell current direction of each of the cells is opposite to the intra-cell current direction of the cell adjacent to each cell in the cell group. Each of the plurality of sub-modules includes an input terminal to input a current to the cell group and an output terminal to output the current from the cell group.Type: ApplicationFiled: February 20, 2020Publication date: June 11, 2020Applicant: Kabushiki Kaisha ToshibaInventors: Hiroyuki KOBAYASHI, Tomomi Kageyama, Takeshi Yasuda, Kaoru Koiwa, Seiji Ito, Tomonori Ezoe
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Publication number: 20200171637Abstract: A tensioning device is configured to apply upward tension to a bolt-nut fastener including a bolt fitted with a fastened member H, and a nut to be fastened to a shaft of the bolt, which protrudes from the fastened member. A first male thread portion is formed on an outer circumferential surface of the nut. The tensioning device includes a connection member having a first female thread portion to be engaged with the first male thread portion, a tensioning mechanism for tensioning the nut via the connection member in a state where the first male thread portion is engaged with the first female thread portion, and a tension bearer which is disposed around an outer circumference of the connection member, and bears a reaction force applied from the fastened member H in tensioning performed by the tensioning mechanism.Type: ApplicationFiled: October 10, 2018Publication date: June 4, 2020Inventors: Kyoichi KOMATSU, Hiroshi TSUJI, Osamu TSUJI, Seiji ITO
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Publication number: 20200171636Abstract: To provide a tensioning device capable of tensioning a bolt from a bolt head side while suppressing increase in the number of components. A tensioning device is configured to apply upward tension to a bolt fastened to a fastened member H. A first male thread portion is formed on an outer circumferential surface of a head of the bolt. The tensioning device includes a connection member having a first female thread portion to be threadly engaged with the first male thread portion, a tensioning mechanism for tensioning the bolt via the connection member in a state where the first male thread portion is threadly engaged with the first female thread portion, and a tension bearer which is disposed around an outer circumference of the connection member, and bears a reaction force applied from the fastened member H in tensioning performed by the tensioning mechanism.Type: ApplicationFiled: October 10, 2018Publication date: June 4, 2020Inventors: Hiroshi TSUJI, Kyoichi KOMATSU, Osamu TSUJI, Seiji ITO
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Publication number: 20200173484Abstract: An error of an axial force detection is reduced by tensioning a bolt with a tensioning device engaged with a part of the bolt, different from a shaft portion of the bolt. A tensioning device is configured to apply upward tension to a bolt fastened to a fastened member H, and fitted with a washer. A first male thread portion is formed on an outer circumferential surface of the washer. The tensioning device includes a connection member having a first female thread portion to be engaged with the first male thread portion, a tensioning mechanism for tensioning the connection member in a state where the first male thread portion is engaged with the first female thread portion, and a tension bearer which is disposed around an outer circumference of the connection member, and bears a reaction force applied from the fastened member H in tensioning performed by the tensioning mechanism.Type: ApplicationFiled: October 10, 2018Publication date: June 4, 2020Inventors: Kyoichi KOMATSU, Hiroshi TSUJI, Osamu TSUJI, Seiji ITO
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Patent number: 10641689Abstract: A device for preparing a glass slide specimen of cells has: a filter that has recesses, which capture target cells that are at least one of circulating tumor cells within blood or rare tumor cells within a body fluid, and pores that are formed in the recesses and that pass non-target cells therethrough; a glass slide that is superposed onto a surface of the filter, at a side at which the target cells are captured, and onto which the target cells are transferred; a cover member that is placed on a surface of the filter at a side opposite from the glass slide, and that seals in a buffer solution for immersing the target cells at interiors of the recesses; and a container into which the glass slide is immersed and in which is stored a preservation liquid that preserves the target cells that have been transferred onto the glass slide.Type: GrantFiled: June 16, 2017Date of Patent: May 5, 2020Assignee: OPTNICS PRECISION CO., LTD.Inventors: Seichin Kinuta, Yoshiyuki Ichinosawa, Hayao Nakanishi, Seiji Ito
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Patent number: 10608229Abstract: According to one embodiment, a battery module includes a plurality of sub-modules. The plurality of sub-modules are integrated. Each of the plurality of sub-modules includes a cell group configured using a plurality of cells connected in series. The plurality of cells configuring the cell group are arranged linearly such that intra-cell current directions are parallel and the intra-cell current direction of each of the cells is opposite to the intra-cell current direction of the cell adjacent to each cell in the cell group. Each of the plurality of sub-modules includes an input terminal to input a current to the cell group and an output terminal to output the current from the cell group.Type: GrantFiled: September 6, 2016Date of Patent: March 31, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Hiroyuki Kobayashi, Tomomi Kageyama, Takeshi Yasuda, Kaoru Koiwa, Seiji Ito, Tomonori Ezoe