Patents by Inventor Masaki Ikeda
Masaki Ikeda 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: 20240094078Abstract: The pressure sensor 10 comprises: a bottomed cylindrical sensor module 11 having inside a pressure receiving chamber C1 communicating with a flow path and including a diaphragm 11a in contact with the pressure receiving chamber; a pressure detecting element 12 for outputting a strain of the diaphragm 11a as a pressure; a base ring 14 fixed at an outer edge of an open-side end part 11c of the sensor module and disposed on an outer peripheral side of the sensor module 11; a hermetic member 13 fixed to the base ring 14 for forming a sealed vacuum chamber C2 opposite to the pressure receiving chamber C1 across the diaphragm 11a; a gasket 18 sandwiched between the base ring 14 and a body 5; and a pressing flange 19 for pressing the base ring 14 to the body 5 through the gasket 18.Type: ApplicationFiled: November 2, 2021Publication date: March 21, 2024Applicants: FUJIKIN INCORPORATED, NIDEC COPAL ELECTRONICS CORPORATIONInventors: Atsushi HIDAKA, Takatoshi NAKATANI, Kaoru HIRATA, Kouji NISHINO, Nobukazu IKEDA, Masaki FUKASAWA
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Patent number: 11929234Abstract: A plasma processing apparatus capable of improving the in-plane uniformity of plasma and a lower stage used for the plasma processing apparatus are anticipated. In an exemplary embodiment, the lower stage is for a lower stage that generates plasma with an upper electrode. The lower stage includes: a lower dielectric body formed of ceramic, a lower electrode embedded in the lower dielectric body, and a heating element embedded in the lower dielectric body. The separation distance between the top surface of the lower dielectric body at the outer edge position thereof and the lower electrode is smaller than the separation distance between the top surface of the lower dielectric body in the central region thereof and the lower electrode. The lower electrode has an inclination region inclined with respect to the top surface between the outer edge position and the central region.Type: GrantFiled: November 26, 2019Date of Patent: March 12, 2024Assignees: TOKYO ELECTRON LIMITED, TOHOKU UNIVERSITYInventors: Taro Ikeda, Sumi Tanaka, Satoru Kawakami, Masaki Hirayama
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Patent number: 11923170Abstract: The plasma processing apparatus according to an exemplary embodiment includes a processing container, a stage, an upper electrode, a dielectric plate, and a waveguide. The stage is provided in the processing container. The dielectric plate is provided above the stage with a space in the processing container interposed therebetween. The upper electrode is provided above the dielectric plate. The waveguide has an end and guides high frequency waves in a VHF band or a UHF band. The end is arranged to face the space to radiate high frequency waves to the space. The dielectric plate includes a conductive film. The conductive film is provided on an upper surface of the dielectric plate. The upper surface faces the upper electrode. The conductive film is electrically connected to the upper electrode.Type: GrantFiled: November 26, 2019Date of Patent: March 5, 2024Assignee: TOKYO ELECTRON LIMITEDInventors: Satoru Kawakami, Hiroyuki Yamamoto, Taro Ikeda, Masaki Hirayama
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Patent number: 11916175Abstract: A light emitting device includes a semiconductor light emitting element which emits excitation light having a peak wavelength in a range of 440 to 450 nm and a fluorescent body layer which is provided on the semiconductor light emitting element, is excited by the excitation light from the semiconductor light emitting element, and contains a first fluorescent body and a second fluorescent body which emit first fluorescent light and second fluorescent light. The first fluorescent light has a peak wavelength in a range of 540 to 575 nm, and the second fluorescent light has a peak wavelength in a range of 590 to 605 nm. In mixed color light of the radiation light, the intensity of the radiation light of the semiconductor light emitting element is 1/10 to 1/60 of the intensity of the combined light of the radiation light from the first fluorescent body and the second fluorescent body.Type: GrantFiled: March 2, 2020Date of Patent: February 27, 2024Assignee: STANLEY ELECTRIC CO., LTD.Inventors: Masaki Odawara, Kenji Ikeda, Shotaro Nishiki, Tsuzumi Higashiyama, Kazuhisa Shinno
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Patent number: 11879687Abstract: Provided is a method of designing a heat exchanger group being installed in a processing plant and having multiple ACHEs. In a first step, at least one design variable relating to ACHE design and the number of installed ACHEs are set as variable parameters, and a variable range and a change unit of each of the variable parameters are set. In a second step, a design value of the ACHE, which includes a value of a design variable non-selected as the variable parameter, is set. In a third step, Pareto solutions for at least two objective functions selected from an objective function group consisting of an installation length of the heat exchanger group, a total heat transfer area of heat transfer tubes, and total power consumption of fans are calculated by using a computer while the variable parameter are changed.Type: GrantFiled: March 20, 2019Date of Patent: January 23, 2024Assignee: JGC CORPORATIONInventors: Satoru Kanazawa, Masaki Ikeda, Toshikazu Miyashita
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Patent number: 11841192Abstract: Provided is a method of designing a heat exchanger group being installed in a processing plant and having multiple ACHEs. In a first step, at least one design variable relating to ACHE design and the number of installed ACHEs are set as variable parameters, and a variable range and a change unit of each of the variable parameters are set. In a second step, a design value of the ACHE, which includes a value of a design variable non-selected as the variable parameter, is set. In a third step, Pareto solutions for at least two objective functions selected from an objective function group consisting of an installation length of the heat exchanger group, a total heat transfer area of heat transfer tubes, and total power consumption of fans are calculated by using a computer while the variable parameter are changed.Type: GrantFiled: March 20, 2019Date of Patent: December 12, 2023Assignee: JGC CORPORATIONInventors: Satoru Kanazawa, Masaki Ikeda, Toshikazu Miyashita
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Publication number: 20230291286Abstract: A manufacturing method of a cooling member to be used for a rotary electric machine. The manufacturing method includes a preparation step for preparing a plurality of annular collapsible cores having radial projections and recesses, a stacking step for concentrically stacking the plurality of collapsible cores along a direction of extension of a rotational axis of the rotary electric machine, a casting step for pouring a material of the cooling member into a die with the plurality of collapsible cores stacked in the die so that the material covers outer peripheral surfaces and inner peripheral surfaces of the plurality of collapsible cores, and a removal step for removing the plurality of collapsible cores after the casting step.Type: ApplicationFiled: July 26, 2021Publication date: September 14, 2023Applicants: AISIN CORPORATION, ART METAL MFG. CO., LTD.Inventors: Masaki IKEDA, Toshihiko OKAZAWA, Satoshi MURAKAMI
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Publication number: 20230253863Abstract: A method of manufacturing a stator for a rotary electric machine includes: a step of preparing a stator core formed from a first metal material that is magnetic, the stator core having a space provided on a radially inner side and in which a rotor is to be disposed; a blocking step of covering at least a part of an end surface of the stator core in an axial direction and blocking the space using a blocking member; and a casting step of pouring a second metal material that is non-magnetic to a radially outer side of the stator core with at least a part of the end surface of the stator core covered and with the space blocked through the blocking step in a die.Type: ApplicationFiled: July 26, 2021Publication date: August 10, 2023Applicants: AISIN CORPORATION, ART METAL MFG. CO., LTD.Inventors: Masaki IKEDA, Toshihiko OKAZAWA
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Patent number: 11642770Abstract: The tool system includes a body, a driver, and a tool sensing unit. To the body, a tool is attachable. The driver is configured to drive the tool attached to the body. The tool sensing unit is configured to perform identification of a type of the tool attached to the body.Type: GrantFiled: September 4, 2019Date of Patent: May 9, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Masaki Ikeda
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Publication number: 20220263378Abstract: A rotating electrical machine for vehicle driving that includes a stator core made of a first metal material which is a magnetic material; and a case part that is integrally joined to the stator core and made of a second metal material which is a non-magnetic material, and a joint surface between the case part and the stator core forms a heat receiving surface where the case part receives heat from the stator core.Type: ApplicationFiled: July 29, 2020Publication date: August 18, 2022Applicants: AISIN CORPORATION, ART METAL MFG. CO., LTD.Inventors: Kiyotaka KOGA, Satoshi MURAKAMI, Masaki IKEDA
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Publication number: 20220247272Abstract: A stator cooling structure including a supporting member that is a single piece member having a cylindrical form going in an axial direction of a rotating electrical machine and that supports a stator core of the rotating electrical machine and forms a passage through which fluid for cooling passes. The supporting member has an inner wall part that supports an outer circumferential surface of the stator core and has a cylindrical form; an outer wall part that faces a radial outer side of the inner wall part and has a cylindrical form; and one or more division wall parts that extend in a radial direction between the inner wall part and the outer wall part and divide the passage formed between the inner wall part and the outer wall part.Type: ApplicationFiled: July 29, 2020Publication date: August 4, 2022Applicants: AISIN CORPORATION, ART METAL MFG. CO., LTD.Inventors: Satoshi MURAKAMI, Masaki IKEDA, Toshihiko OKAZAWA
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Patent number: 11396907Abstract: A thrust washer is provided with a ring-shaped portion that surrounds an insertion hole, the thrust washer is provided with a sliding surface and an oil groove configured to allow lubricating oil to flow in, the oil groove is provided with an opening portion configured to allow the lubricating oil to flow in from the insertion hole side in an inner peripheral end side, an outer periphery end side of the ring-shaped portion of at least one of the oil groove is provided with an oil stop wall which is configured to suppress flow of the lubricating oil toward an outer periphery side of the ring-shaped portion, and a sliding area ratio of each of the sliding surfaces to a projection plane in plan view of the ring-shaped portion is provided within a range of from 60% to 85%Type: GrantFiled: December 13, 2019Date of Patent: July 26, 2022Assignee: TPR CO., LTD.Inventors: Masaki Ikeda, Shuichirou Hamanaka
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Publication number: 20220065538Abstract: Provided is a method of designing a heat exchanger group being installed in a processing plant and having multiple ACHEs. In a first step, at least one design variable relating to ACHE design and the number of installed ACHEs are set as variable parameters, and a variable range and a change unit of each of the variable parameters are set. In a second step, a design value of the ACHE, which includes a value of a design variable non-selected as the variable parameter, is set. In a third step, Pareto solutions for at least two objective functions selected from an objective function group consisting of an installation length of the heat exchanger group, a total heat transfer area of heat transfer tubes, and total power consumption of fans are calculated by using a computer while the variable parameter are changed.Type: ApplicationFiled: March 20, 2019Publication date: March 3, 2022Applicant: JGC CORPORATIONInventors: Satoru KANAZAWA, Masaki IKEDA, Toshikazu MIYASHITA
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Publication number: 20220056949Abstract: A thrust washer is provided with a ring-shaped portion that surrounds an insertion hole, the thrust washer is provided with a sliding surface and an oil groove configured to allow lubricating oil to flow in, the oil groove is provided with an opening portion configured to allow the lubricating oil to flow in from the insertion hole side in an inner peripheral end side, an outer periphery end side of the ring-shaped portion of at least one of the oil groove is provided with an oil stop wall which is configured to suppress flow of the lubricating oil toward an outer periphery side of the ring-shaped portion, and a sliding area ratio of each of the sliding surfaces to a projection plane in plan view of the ring-shaped portion is provided within a range of from 60% to 85%Type: ApplicationFiled: December 13, 2019Publication date: February 24, 2022Applicant: TPR CO., LTD.Inventors: Masaki IKEDA, Shuichirou HAMANAKA
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Publication number: 20210305820Abstract: A charging system is configured to charge a battery pack including one or more battery cells. The charging system includes an acquirer and a controller. The acquirer is configured to acquire, as an acquisition voltage, a voltage between terminals or a cell voltage of each of the one or more battery cells in the battery pack which is being charged. The controller is configured to, when the voltage between the terminals or the cell voltage reaches a target voltage, cause a first charging mode allowing fast charging to transition to a second charging mode in which a charge current is lower than in the first charging mode. The controller is configured to stop charging operation when the acquisition voltage acquired by the acquirer decreases and an aspect of a decrease in the acquisition voltage satisfies a predetermined condition in the second charging mode.Type: ApplicationFiled: March 31, 2021Publication date: September 30, 2021Inventors: Masaki IKEDA, Tatsuya MIWA, Yu OTA
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Patent number: 10944277Abstract: A power tool charging device includes a charging unit that charges a rechargeable battery of a power tool, a condition detection unit that detects condition information of the rechargeable battery, and an information processing unit that receives the condition information of the rechargeable battery from the condition detection unit and outputs the received condition information of the rechargeable battery to a communication unit capable of performing near field communication with another device.Type: GrantFiled: February 27, 2015Date of Patent: March 9, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masaki Ikeda, Tatsuya Miwa, Naoki Tsuruta
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Patent number: 10886573Abstract: A battery pack includes a rechargeable battery, a battery information memory unit configured to store battery type information relating to a type of the rechargeable battery, and an information output unit configured to output the battery type information from the battery pack.Type: GrantFiled: November 10, 2014Date of Patent: January 5, 2021Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Norihiro Iwamura, Masaki Ikeda
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Patent number: 10749353Abstract: An electric power tool that receives driving power from a rechargeable battery includes loads and a control circuit that controls supply of the driving power from the rechargeable battery to the loads. The control circuit sets and stores for each of the loads a reference voltage value of the rechargeable battery used for stopping or issuing a notification in order to obviate over-discharging of the rechargeable battery.Type: GrantFiled: February 27, 2015Date of Patent: August 18, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Naoki Tsuruta, Masaki Ikeda, Tatsuya Miwa
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Publication number: 20200122311Abstract: A power tool includes a motor, a trigger, a pressure sensing unit, and a control circuit. The motor is configured to receive electric power from a battery to rotate a socket. The trigger is movably held by a tool body. The pressure sensing unit includes a pressure receiving unit for receiving pressure according to a pull-in amount of the trigger and is configured to measure a magnitude of the pressure received with the pressure receiving unit. The control circuit is configured to control a rotational speed of the motor based on measured pressure measured by the pressure sensing unit. The control circuit is configured to perform hysteresis control of the rotational speed of the motor such that the rotational speed of the motor with respect to the measured pressure differs between a case where the measured pressure increases with time and a case where the measured pressure decreases with time.Type: ApplicationFiled: December 26, 2017Publication date: April 23, 2020Inventors: Naoki TSURUTA, Masaki IKEDA
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Publication number: 20200078920Abstract: The tool system includes a body, a driver, and a tool sensing unit. To the body, a tool is attachable. The driver is configured to drive the tool attached to the body. The tool sensing unit is configured to perform identification of a type of the tool attached to the body.Type: ApplicationFiled: September 4, 2019Publication date: March 12, 2020Inventor: Masaki IKEDA