Patents by Inventor Koichi Shimizu
Koichi Shimizu 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: 20210119500Abstract: Provided is a rotary electric machine that is able to suppress vibration noise of the rotary electric machine caused by an out-of-plane deformation. The rotary electric machine includes a stator including a frame being an annular member, and a plurality of split cores arranged in an annular shape and fitted to and held by a radially inner portion of the frame, wherein the frame is formed such that an inner diameter of each of both end portions thereof is smaller than an inner diameter of an axial middle portion thereof, and fitting fastening force between the frame and each split core is set to be greater at both the end portions than at the axial middle portion.Type: ApplicationFiled: May 9, 2018Publication date: April 22, 2021Applicant: Mitsubishi Electric CorporationInventors: Keiichi KONISHI, Naoki OHASHI, Ryuichi KITORA, Koichi SHIMIZU
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Publication number: 20210109723Abstract: A branch element identification unit identifies a branch element being a program element for branching, from a model diagram representing a plurality of program elements and a relationship among the program elements. A group identification unit identifies a branch destination group, the branch destination group being a series of program elements constituting branch destination of the branch element, for each branch destination from the model diagram. A sequence determination unit determines a sequence of the branch destination groups in a program code. A code generation unit generates the program code based on the model diagram. The program code includes codes corresponding to the branch destination groups in accordance with the sequence of the branch destination groups.Type: ApplicationFiled: June 2, 2017Publication date: April 15, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takeshi UEDA, Koichi SHIMIZU, Shoei NASHIMOTO
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Publication number: 20210112062Abstract: An object of this invention is to obtain a whitelist generator with which the accuracy of data relating to the specifications of normal communication serving as an automatic generation source can be guaranteed, whereby the accuracy of a generated whitelist can be guaranteed over an entire whitelist generation flow. The whitelist generator is applied to a system formed from a plurality of devices, the plurality of devices being configured to exchange data with each other, in order to generate a whitelist used for whitelisting intrusion detection, and includes a model verification unit that verifies, on the basis of an input model, at least one of whether or not normal communication in the system has been modeled correctly and whether or not the model is logically consistent, and a model conversion unit that converts the verified model into a whitelist.Type: ApplicationFiled: January 23, 2017Publication date: April 15, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Koichi SHIMIZU, Teruyoshi YAMAGUCHI, Tsunato NAKAI, Takeshi UEDA, Nobuhiro KOBAYASHI, Benoit BOYER
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Patent number: 10954968Abstract: An operation control device for a working vehicle which includes a hydraulic working device, comprises a hydraulic actuator to drive the hydraulic working device, an operating oil supply source for driving the hydraulic actuator, a sent-out oil amount control device that controls the amount of oil sent out from the operating oil supply source, an operating device to be operated to make the hydraulic actuator work, and an operating oil supply control device that performs control to supply operating oil to the hydraulic actuator according to operation of the operating device. The sent-out oil amount control device controls the amount of oil sent out from the operating oil supply source according to the operation amount of the operating device.Type: GrantFiled: November 2, 2019Date of Patent: March 23, 2021Assignee: Takeuchi Mfg. Co., Ltd.Inventors: Kengo Kumeuchi, Koichi Shimizu, Shumpei Okutani, Yuta Kobayashi
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Publication number: 20210006570Abstract: A state detection section (105) detects states of a plurality of controllers (300, 400) included in a communication system (600). An attack determination section (103) selects, from among a plurality of whitelists (110) each of which is associated with a combination of states, a whitelist (110) associated with the combination of the states of the plurality of controllers (300, 400) detected by the state detection section (105). The attack determination section (103) detects an attack on the communication system (600) by using the selected whitelist (110).Type: ApplicationFiled: April 26, 2016Publication date: January 7, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tsunato NAKAI, Teruyoshi YAMAGUCHI, Koichi SHIMIZU, Nobuhiro KOBAYASHI
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Publication number: 20200408859Abstract: An information processing apparatus includes a memory; and a processor coupled to the memory and configured to input data of major loop regarding a hysteresis of a magnetic body, data of an initial magnetization curve of the magnetic body, and a relationship between a maximum magnetic flux density of a minor loop regarding the hysteresis and an area of the minor loop associated with the magnetic flux density; and generate data of a plurality of the minor loops using the data of the major loop, the initial magnetization curve, and the relationship between the maximum magnetic flux density of the minor loop regarding the hysteresis and the area of the minor loop associated with the magnetic flux density.Type: ApplicationFiled: May 28, 2020Publication date: December 31, 2020Applicant: FUJITSU LIMITEDInventor: Koichi Shimizu
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Patent number: 10841087Abstract: The present invention relates to a security device which performs processes such as authentication or cryptography, for example a security device for securely holding a key used in a cryptographic process, and a security method therefore.Type: GrantFiled: November 5, 2015Date of Patent: November 17, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hisashi Fukuda, Takeshi Yoneda, Nobuhiro Kobayashi, Daisuke Suzuki, Manabu Misawa, Koichi Shimizu, Takeshi Sugawara
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Patent number: 10831235Abstract: Provided is an electronic device that suppresses an increase in internal pressure while suppressing entry of a foreign material. An electronic module according to the present embodiment has an electronic device, a substrate, a frame, and a cover, a hole portion having a first opening in a first main surface and a second opening in a second main surface and communicating the internal space and the external space, and a component is disposed to face the second opening.Type: GrantFiled: March 19, 2019Date of Patent: November 10, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Yu Katase, Tadashi Kosaka, Koichi Shimizu, Shuichi Chiba, Kazuya Notsu, Hisatane Komori, Satoru Hamasaki, Ikuto Kimura
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Publication number: 20200318656Abstract: An operation control device for a working vehicle which includes a hydraulic working device, comprises a hydraulic actuator to drive the hydraulic working device, an operating oil supply source for driving the hydraulic actuator, a sent-out oil amount control device that controls the amount of oil sent out from the operating oil supply source, an operating device to be operated to make the hydraulic actuator work, and an operating oil supply control device that performs control to supply operating oil to the hydraulic actuator according to operation of the operating device. The sent-out oil amount control device controls the amount of oil sent out from the operating oil supply source according to the operation amount of the operating device.Type: ApplicationFiled: November 2, 2019Publication date: October 8, 2020Applicant: Takeuchi Mfg. Co., Ltd.Inventors: Kengo KUMEUCHI, Koichi SHIMIZU, Shumpei OKUTANI, Yuta KOBAYASHI
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Publication number: 20200318319Abstract: An operation control device for a working vehicle comprises a hydraulic actuator to drive the hydraulic working device, operating oil supply source for driving the hydraulic actuator, an operating oil supply control device that performs control to supply operating oil to the hydraulic actuator, an operating device to be operated to make the hydraulic actuator work and a working gain setting device that sets a gain of working speed of the hydraulic actuator corresponding to the operation of the operating device. The operating oil supply control device controls operating oil supply from the operating oil supply source to the hydraulic actuator based on the operation output signal from the operating device and the working speed gain set by the working gain setting device.Type: ApplicationFiled: November 1, 2019Publication date: October 8, 2020Applicant: Takeuchi Mfg. Co., Ltd.Inventors: Koichi SHIMIZU, Shumpei OKUTANI, Kengo KUMEUCHI
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Patent number: 10794385Abstract: A vacuum pump comprises: a rotor provided with multiple stages of rotor blades; a base including a ball bearing configured to rotatably support the rotor; an outer cylinder covering the rotor and connected to the base; and a control device including an electronic circuit having a heat generation element. The control device is provided in contact with the outer cylinder.Type: GrantFiled: December 21, 2018Date of Patent: October 6, 2020Assignee: SHIMADZU CORPORATIONInventor: Koichi Shimizu
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Publication number: 20200314130Abstract: In an attack detection device, a white list storage unit correlates and stores, for each system state, a white list defining system information permitted in the system state. A state estimation unit estimates a current system state of a control system on the basis of communication data communicated between a server device and equipment. An attack determination unit acquires the white list corresponding to the current system state from the white list storage unit, and determines whether or not an attack has been detected, on the basis of the acquired white list and the system information in the current system state.Type: ApplicationFiled: January 19, 2017Publication date: October 1, 2020Applicant: Mitsubishi Electric CorporationInventors: Tsunato NAKAI, Teruyoshi YAMAGUCHI, Koichi SHIMIZU, Nobuhiro KOBAYASHI
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Publication number: 20200303439Abstract: A method of manufacturing a package unit, comprising: preparing a circuit board having a first region, a second region surrounding the first region, and a third region between the first and the second region; preparing a mold having a frame-shaped protruding portion surrounding a first cavity, the frame-shaped protruding portion partitioning the first cavity and a second cavity surrounding the first cavity; arranging the circuit board and the mold such that the first region of the circuit board faces the first cavity, the second region of the circuit board faces the second cavity, and a gap which communicates the first cavity and the second cavity with each other is formed between the frame-shaped protruding portion and the third region of the circuit board; and forming a frame-shaped resin member on top of the second region of the circuit board by pouring a resin into the second cavity.Type: ApplicationFiled: March 13, 2020Publication date: September 24, 2020Inventors: Koichi Shimizu, Satoru Hamasaki
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Patent number: 10735673Abstract: According to the disclosure, a relationship of Tgp>Tgf, ?f1<?PCB1, and (Tgp?To)×?PCB1<(Tgf?To)×?f1+(Tgp?Tgf)×?f2 or a relationship of Tgp<Tgf, ?PCB1<?f1, and (Tgf?To)×?f1<(Tgp?To)×?PCB1+(Tgf?Tgp)×?PCB2 is satisfied, where linear expansion coefficients in an in-plane direction of the substrate at a temperature below a glass transition temperature Tgp of the substrate and at a temperature above the glass transition temperature Tgp of the substrate are denoted as ?PCB1 and ?PCB2, respectively, linear expansion coefficient of the frame at a temperature below a glass transition temperature Tgf of the frame and at a temperature above the glass transition temperature Tgf of the frame are denoted as ?f1 and ?f2, respectively, and a room temperature is denoted as To.Type: GrantFiled: April 19, 2019Date of Patent: August 4, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Koichi Shimizu, Tadashi Kosaka, Shuichi Chiba, Kazuya Notsu, Hisatane Komori, Satoru Hamasaki, Yu Katase
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Patent number: 10683875Abstract: A center ring interposed between a vacuum chamber and a vacuum pump, comprises: a ring main body including a first ring fitting portion to be fitted in a chamber-side fitting portion of the vacuum chamber and a second ring fitting portion to be fitted in a pump-side fitting portion of the vacuum pump; a foreign particle entrance prevention member provided at the ring main body; and a dropping prevention structure configured to prevent the center ring from dropping from the pump-side fitting portion of the vacuum pump.Type: GrantFiled: March 12, 2018Date of Patent: June 16, 2020Assignee: Shimadzu CorporationInventor: Koichi Shimizu
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Publication number: 20200092313Abstract: An allowed communication list conversion unit (123) assigns one or more flags to request communication and response communication, between which a correspondence relationship is described in a detection rule, and describes, in an allowed communication list, details of a flag operation specifying a value to be set to the flag and a flag condition for determining whether the value to be set is set in the flag, in association with each other. A determination unit (103) sets the value after determining that communication data on the request communication is normal, determines whether the value is set in the flag based on the flag condition when determining whether communication data on the response communication to the request communication is normal, and determines that the communication data on the response communication is normal when the value is set, to thereby reset the flag.Type: ApplicationFiled: January 20, 2017Publication date: March 19, 2020Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Teruyoshi YAMAGUCHI, Tsunato NAKAI, Koichi SHIMIZU, Nobuhiro KOBAYASHI
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Publication number: 20190345695Abstract: A hydraulic drive unit of a hydraulic excavator is configured to include a first hydraulic pump (P1) that discharges a hydraulic oil for activating a boom cylinder (36) and the like, a first electric motor (M1) that drives the first hydraulic pump (P1), a hydraulic pump for revolution (P2) that discharges a hydraulic oil for activating a revolution motor (26), a second electric motor (M2) that drives the hydraulic pump for revolution (P2), and a motor control device (150) that controls the rotation of the first electric motor (M1) and that of the second electric motor (M2). The motor control device (150) is configured such that when the revolution of the revolving body is not activated by the revolution motor (26), control to deactivate the second electric motor (M2) is performed.Type: ApplicationFiled: October 23, 2018Publication date: November 14, 2019Applicant: Takeuchi Mfg. Co., Ltd.Inventors: Kengo KUMEUCHI, Koichi SHIMIZU, Yuta KOBAYASHI, Shumpei OKUTANI, Takahiro WATANABE
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Patent number: 10472805Abstract: A hydraulic drive unit of a hydraulic excavator is configured to include a first hydraulic pump (P1) that discharges a hydraulic oil for activating a boom cylinder (36) and the like, a first electric motor (M1) that drives the first hydraulic pump (P1), a hydraulic pump for revolution (P2) that discharges a hydraulic oil for activating a revolution motor (26), a second electric motor (M2) that drives the hydraulic pump for revolution (P2), and a motor control device (150) that controls the rotation of the first electric motor (M1) and that of the second electric motor (M2). The motor control device (150) is configured such that when the revolution of the revolving body is not activated by the revolution motor (26), control to deactivate the second electric motor (M2) is performed.Type: GrantFiled: October 23, 2018Date of Patent: November 12, 2019Assignee: Takeuchi Mfg. Co., Ltd.Inventors: Kengo Kumeuchi, Koichi Shimizu, Yuta Kobayashi, Shumpei Okutani, Takahiro Watanabe
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Publication number: 20190335119Abstract: According to the disclosure, a relationship of Tgp>Tgf, ?f1<?PCB1, and (Tgp-To) ×?PCB1<(Tgf-To)×?f1+(Tgp-Tgf)×?f2 or a relationship of Tgp<Tgf, ?PCB1<?f1, and (Tgf-To)×?f1<(Tgp-To)×?PCB1+(Tgf-Tgp)×?PCB2 is satisfied, where linear expansion coefficients in an in-plane direction of the substrate at a temperature below a glass transition temperature Tgp of the substrate and at a temperature above the glass transition temperature Tgp of the substrate are denoted as ?PCB1 and ?PCB2, respectively, linear expansion coefficient of the frame at a temperature below a glass transition temperature Tgf of the frame and at a temperature above the glass transition temperature Tgf of the frame are denoted as ?f1 and ?f2, respectively, and a room temperature is denoted as To.Type: ApplicationFiled: April 19, 2019Publication date: October 31, 2019Inventors: Koichi Shimizu, Tadashi Kosaka, Shuichi Chiba, Kazuya Notsu, Hisatane Komori, Satoru Hamasaki, Yu Katase
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Publication number: 20190294213Abstract: Provided is an electronic device that suppresses an increase in internal pressure while suppressing entry of a foreign material. An electronic module according to the present embodiment has an electronic device, a substrate, a frame, and a cover, a hole portion having a first opening in a first main surface and a second opening in a second main surface and communicating the internal space and the external space, and a component is disposed to face the second opening.Type: ApplicationFiled: March 19, 2019Publication date: September 26, 2019Inventors: Yu Katase, Tadashi Kosaka, Koichi Shimizu, Shuichi Chiba, Kazuya Notsu, Hisatane Komori, Satoru Hamasaki, Ikuto Kimura