Patents by Inventor Masayuki Kouketsu
Masayuki Kouketsu 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: 20230383854Abstract: A four-way valve includes a body and a valve component. The body includes a valve chamber and first to fourth communication channels which communicate with the valve chamber at positions arranged in sequence in a predefined rotational direction and cause the valve chamber to communicate with an outside. The valve component is rotatable in the predefined rotational direction and switches the four-way valve to be in at least one of: a first state in which the first and second communication channels communicate with the first region and the third and fourth communication channels communicate with the third region; and a second state in which the second communication channel communicates with the first region, the third communication channel communicates with the second region, and the first and fourth communication channels communicate with the third region.Type: ApplicationFiled: August 9, 2023Publication date: November 30, 2023Applicant: CKD CORPORATIONInventors: Akihiro Ito, Hiroki Doi, Masaya Yamauchi, Masayuki Kouketsu
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Patent number: 11796247Abstract: A temperature control system is used for controlling a temperature of a control target to a target temperature that changes with lapse of time. The system includes: a first adjustment apparatus that includes a first tank that stores a first heat transfer medium, adjusts the temperature of the first heat transfer medium to a first set temperature, and supplies the temperature-adjusted first heat transfer medium; a first circulation circuit through which the first heat transfer medium flows from the first adjustment apparatus to a first flow-through path and returns to the first adjustment apparatus; an adjustment section that adjusts an amount of heat supplied from the first flow-through path to the control target; a memory that stores a relation between the lapse of time and the target temperature; and a controller.Type: GrantFiled: November 20, 2020Date of Patent: October 24, 2023Assignees: CKD CORPORATION, EBARA CORPORATION, EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Patent number: 11788777Abstract: A temperature control system is used for controlling a temperature of a control target. The system includes: a first circulation circuit through which a first heat transfer medium circulates; a second circulation circuit that is independent of the first circulation circuit and through which a second heat transfer medium circulates; and a third circulation circuit that is independent of the first circulation circuit and the second circulation circuit and through which a third heat transfer medium circulates. The third heat transfer medium has a usable temperature range wider than usable temperature ranges of the first heat transfer medium and the second heat transfer medium.Type: GrantFiled: November 9, 2020Date of Patent: October 17, 2023Assignees: CKD CORPORATION, EBARA CORPORATION, EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Patent number: 11703284Abstract: A temperature control system is used for controlling a temperature of a control target. The system includes: a first circulation circuit through which a first heat transfer medium circulates; a second circulation circuit that is independent of the first circulation circuit and through which a second heat transfer medium circulates; and a third circulation circuit that is independent of the first circulation circuit and the second circulation circuit and through which a third heat transfer medium circulates. The third heat transfer medium has a usable temperature range wider than usable temperature ranges of the first heat transfer medium and the second heat transfer medium.Type: GrantFiled: November 9, 2020Date of Patent: July 18, 2023Assignees: CKD CORPORATION, EBARA CORPORATION, EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Patent number: 11656016Abstract: A cooling system includes: a first cooling apparatus electrically driven to supply a first heat transfer medium cooled to a first set temperature or lower; a plurality of second cooling apparatuses each of which includes a heat exchanger that exchanges heat between the first heat transfer medium supplied from the first cooling apparatus and a second heat transfer medium, and is electrically driven to supply a third heat transfer medium cooled to a second set temperature or lower, the second set temperature being changed individually with lapse of time; and a processor that obtains second set temperatures of the second cooling apparatuses and sets the first set temperature based on the obtained second set temperatures.Type: GrantFiled: November 20, 2020Date of Patent: May 23, 2023Assignee: EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Patent number: 11566723Abstract: A flow path switching valve includes (a) a valve body in a shape of a rectangular parallelepiped having a predetermined surface and an opposite surface, the valve body including an open flow passage having an opening on the predetermined surface, (b) a main body including a plurality of ports having a respective opening on a facing surface thereof facing the predetermined surface, and a plurality of connection flow passages each connected to respective one of the plurality of ports, (c) a pair of plate springs attached to opposite ends of the valve body to support the valve body with a predetermined gap formed between the predetermined surface and the facing surface, the plate springs applying elastic force to the valve body in accordance with an amount of movement of the valve body in a predetermined direction, and (d) an actuator for reciprocating the valve body in the predetermined direction.Type: GrantFiled: December 22, 2020Date of Patent: January 31, 2023Assignee: CKD CorporationInventors: Akihiro Ito, Masayuki Kouketsu, Keiichi Nishikawa, Yasuhisa Hirose, Takahiro Minatani
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Patent number: 11268628Abstract: A flow rate ratio control valve includes a pair of plate springs, each of which applies elastic force in a predetermined direction in accordance with the amount of deformation, a valve body supported by the pair of plate springs to be movable in the predetermined direction, a drive unit which drives the valve body in the predetermined direction in a non-contact state by means of electromagnetic force applied to a region between the pair of plate springs in the predetermined direction, a container in which the plate springs and the valve body are contained, and a damper which is attached to the valve body, defines a sectioned predetermined space in cooperation with an inner surface of the container, and forms a predetermined gap between the damper and the inner surface, the predetermined gap establishing communication in the predetermined direction between the predetermined space and the exterior of the predetermined space.Type: GrantFiled: June 18, 2020Date of Patent: March 8, 2022Assignee: CKD CORPORATIONInventors: Akihiro Ito, Masayuki Kouketsu, Masaya Yamauchi, Toshikazu Tsuruga
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Publication number: 20210148630Abstract: A temperature control system is used for controlling a temperature of a control target to a target temperature that changes with lapse of time. The system includes: a first adjustment apparatus that includes a first tank that stores a first heat transfer medium, adjusts the temperature of the first heat transfer medium to a first set temperature, and supplies the temperature-adjusted first heat transfer medium; a first circulation circuit through which the first heat transfer medium flows from the first adjustment apparatus to a first flow-through path and returns to the first adjustment apparatus; an adjustment section that adjusts an amount of heat supplied from the first flow-through path to the control target; a memory that stores a relation between the lapse of time and the target temperature; and a controller.Type: ApplicationFiled: November 20, 2020Publication date: May 20, 2021Applicants: CKD CORPORATION, EBARA CORPORATION, EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Publication number: 20210148621Abstract: A cooling system includes: a first cooling apparatus electrically driven to supply a first heat transfer medium cooled to a first set temperature or lower; a plurality of second cooling apparatuses each of which includes a heat exchanger that exchanges heat between the first heat transfer medium supplied from the first cooling apparatus and a second heat transfer medium, and is electrically driven to supply a third heat transfer medium cooled to a second set temperature or lower, the second set temperature being changed individually with lapse of time; and a processor that obtains second set temperatures of the second cooling apparatuses and sets the first set temperature based on the obtained second set temperatures.Type: ApplicationFiled: November 20, 2020Publication date: May 20, 2021Applicants: CKD CORPORATION, EBARA CORPORATION, EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Publication number: 20210140719Abstract: A temperature control system is used for controlling a temperature of a control target. The system includes: a first circulation circuit through which a first heat transfer medium circulates; a second circulation circuit that is independent of the first circulation circuit and through which a second heat transfer medium circulates; and a third circulation circuit that is independent of the first circulation circuit and the second circulation circuit and through which a third heat transfer medium circulates. The third heat transfer medium has a usable temperature range wider than usable temperature ranges of the first heat transfer medium and the second heat transfer medium.Type: ApplicationFiled: November 9, 2020Publication date: May 13, 2021Applicants: CKD CORPORATION, EBARA CORPORATION, EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Publication number: 20210140688Abstract: A temperature control system is used for controlling a temperature of a control target. The system includes: a first circulation circuit through which a first heat transfer medium circulates; a second circulation circuit that is independent of the first circulation circuit and through which a second heat transfer medium circulates; and a third circulation circuit that is independent of the first circulation circuit and the second circulation circuit and through which a third heat transfer medium circulates. The third heat transfer medium has a usable temperature range wider than usable temperature ranges of the first heat transfer medium and the second heat transfer medium.Type: ApplicationFiled: November 9, 2020Publication date: May 13, 2021Applicants: CKD CORPORATION, EBARA CORPORATION, EBARA REFRIGERATION EQUIPMENT & SYSTEMS CO., LTD.Inventors: Akihiro Ito, Norio Kokubo, Masayuki Kouketsu, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi, Yukihiro Fukusumi
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Publication number: 20210108737Abstract: A flow path switching valve includes (a) a valve body in a shape of a rectangular parallelepiped having a predetermined surface and an opposite surface, the valve body including an open flow passage having an opening on the predetermined surface, (b) a main body including a plurality of ports having a respective opening on a facing surface thereof facing the predetermined surface, and a plurality of connection flow passages each connected to respective one of the plurality of ports, (c) a pair of plate springs attached to opposite ends of the valve body to support the valve body with a predetermined gap formed between the predetermined surface and the facing surface, the plate springs applying elastic force to the valve body in accordance with an amount of movement of the valve body in a predetermined direction, and (d) an actuator for reciprocating the valve body in the predetermined direction.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Inventors: Akihiro ITO, Masayuki KOUKETSU, Keiichi NISHIKAWA, Yasuhisa HIROSE, Takahiro MINATANI
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Patent number: 10907748Abstract: The flow path switching valve includes (a) a valve body having an open flow path which opens on a predetermined surface over a predetermined length in a predetermined direction, (b) a main body having a plurality of ports which open on a facing surface facing the predetermined surface at an interval shorter than the predetermined length in the predetermined direction, and a plurality of connection flow paths connected to the plurality of ports, (c) plate springs attached on both ends of the valve body in the predetermined direction so as to support the valve body such that a predetermined gap is formed between the predetermined surface and the facing surface, the plate springs applying elastic force onto the valve body according to a movement amount of the valve body in the predetermined direction, and (d) an actuator which drives the valve body back and forth in the predetermined direction.Type: GrantFiled: September 11, 2018Date of Patent: February 2, 2021Assignee: CKD CorporationInventors: Akihiro Ito, Masayuki Kouketsu, Keiichi Nishikawa, Yasuhisa Hirose, Takahiro Minatani
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Patent number: 10832853Abstract: A coil sheet includes a conductor layer, a thermally resistant organic insulating layer, a thermosetting adhesive layer in a B-stage state, and a base layer, such that the conductor layer and the insulating layer are bonded to the base layer with the adhesive layer. A coil is formed of a laminate sheet including a conductor layer, an insulating layer, and an adhesive layer of the coil sheet which are released from the base layer thereof, wherein the laminate sheet is wound around a specific axis a plurality of times, and the adhesive layer is thermally cured.Type: GrantFiled: June 9, 2017Date of Patent: November 10, 2020Assignee: CKD CorporationInventors: Akihiro Ito, Masayuki Kouketsu, Hideki Goda, Takashi Tasaki, Kazuhiro Izumoto
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Publication number: 20200318753Abstract: A flow rate ratio control valve includes a pair of plate springs, each of which applies elastic force in a predetermined direction in accordance with the amount of deformation, a valve body supported by the pair of plate springs to be movable in the predetermined direction, a drive unit which drives the valve body in the predetermined direction in a non-contact state by means of electromagnetic force applied to a region between the pair of plate springs in the predetermined direction, a container in which the plate springs and the valve body are contained, and a damper which is attached to the valve body, defines a sectioned predetermined space in cooperation with an inner surface of the container, and forms a predetermined gap between the damper and the inner surface, the predetermined gap establishing communication in the predetermined direction between the predetermined space and the exterior of the predetermined space.Type: ApplicationFiled: June 18, 2020Publication date: October 8, 2020Inventors: Akihiro ITO, Masayuki KOUKETSU, Masaya YAMAUCHI, Toshikazu TSURUGA
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Publication number: 20190252106Abstract: A low pass filter including: a coil that includes a band-shaped conductor and is wound a plurality of times around an axis; a capacitor that has one terminal connected to the conductor and the other terminal connected to ground; a cooling plate in contact with an end surface of the wound coil with respect to a direction of the axis; and a ceramic layer that has a flat surface and is disposed on the end surface of the would coil facing the direction of the axis, wherein the ceramic layer contacts the cooling plate, and the cooling plate includes a flow path through which water flows.Type: ApplicationFiled: April 24, 2019Publication date: August 15, 2019Applicant: CKD CorporationInventors: Akihiro Ito, Masayuki Kouketsu, Masatoki Ito, Takashi Hosono
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Patent number: 10344887Abstract: An electromagnetic actuator includes a pair of plate springs each of which is configured to produce elastic force in a predetermined direction in accordance with an amount of deformation; a movable member supported by the pair of plate springs to be movable in the predetermined direction; and a drive unit which is configured to drive the movable member in the predetermined direction in a non-contact state by means of electromagnetic force to be applied between the pair of plate springs in the predetermined direction.Type: GrantFiled: July 13, 2017Date of Patent: July 9, 2019Assignee: CKD CorporationInventors: Akihiro Ito, Masayuki Kouketsu
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Publication number: 20190011052Abstract: The flow path switching valve includes (a) a valve body having an open flow path which opens on a predetermined surface over a predetermined length in a predetermined direction, (b) a main body having a plurality of ports which open on a facing surface facing the predetermined surface at an interval shorter than the predetermined length in the predetermined direction, and a plurality of connection flow paths connected to the plurality of ports, (c) plate springs attached on both ends of the valve body in the predetermined direction so as to support the valve body such that a predetermined gap is formed between the predetermined surface and the facing surface, the plate springs applying elastic force onto the valve body according to a movement amount of the valve body in the predetermined direction, and (d) an actuator which drives the valve body back and forth in the predetermined direction.Type: ApplicationFiled: September 11, 2018Publication date: January 10, 2019Inventors: Akihiro ITO, Masayuki KOUKETSU, Keiichi NISHIKAWA, Yasuhisa HIROSE, Takahiro MINATANI
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Patent number: 10121590Abstract: A method produces a coil sheet from an initial coil sheet in which a conductor layer, a thermally resistant insulating layer, a thermosetting, uncured adhesive layer, and a base layer are stacked in this order. The method includes a first cutting step of cutting the conductor layer into a predetermined shape through etching, and a second cutting step of cutting, after the first cutting step, the insulating layer and the adhesive layer into the predetermined shape through etching.Type: GrantFiled: June 9, 2017Date of Patent: November 6, 2018Assignee: CKD CorporationInventors: Akihiro Ito, Masayuki Kouketsu, Takashi Yamaguchi, Takeshi Fukuda
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Patent number: 10043609Abstract: A cooling structure for a first electromagnetic coil includes the first electromagnetic coil having a space extending in the direction of a predetermined axis Z; a cooling member attached to an end surface, with respect to the direction of the predetermined axis Z, of the first electromagnetic coil and having a flow path for fluid internally formed; and an inlet pipe and an outlet pipe connected, within the space, to an inlet and outlet, respectively, of the flow path of the cooling member and extending through the space to a region outside the electromagnetic coil.Type: GrantFiled: March 4, 2016Date of Patent: August 7, 2018Assignees: CKD Corporation, Nikon CorporationInventors: Akihiro Ito, Masayuki Kouketsu, Shigeru Morimoto, Hiromitsu Yoshimoto, Koji Tanaka