Patents by Inventor Toshiaki Murakami
Toshiaki Murakami 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: 20240134310Abstract: An object of the present invention is to provide a developer supply container capable of simplifying a mechanism for displacing a developer receiving portion to connect it with a developer supply container. A developer supply container 1 for supplying a developer through a developer receiving portion 11 displaceably provided in a developer receiving apparatus 8 to which said developer supply container 1 is detachably mountable, said developer supply container 1 includes a developer accommodating portion 2c for accommodating a developer; and an engaging portions 3b2, 3b4, engageable with said developer receiving portion 11, for displacing said developer receiving portion 11 toward said developer supply container 1 with a mounting operation of said developer supply container 1 to establish a connected state between said developer supply container 1 and said developer receiving portion 11.Type: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Inventors: Manabu Jimba, Ayatomo Okino, Katsuya Murakami, Toshiaki Nagashima, Fumio Tazawa
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Patent number: 11747230Abstract: A sensor device includes a main driving gear, driven gears, an biasing member configured to bias the driven gears toward the main driving gear, a support member configured to support the biasing member, and a sensor configured to generate an electrical signal based on rotation of the driven gears. In a force applied when the biasing member biases the driven gears, assuming that a direction orthogonal to a tangent line at a point of action of the force is set as a first direction, the first direction is different from a second direction.Type: GrantFiled: December 21, 2021Date of Patent: September 5, 2023Assignee: JTEKT CORPORATIONInventors: Yuichi Toyama, Toshiaki Murakami
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Publication number: 20220205857Abstract: A sensor device includes a main driving gear, driven gears, an biasing member configured to bias the driven gears toward the main driving gear, a support member configured to support the biasing member, and a sensor configured to generate an electrical signal based on rotation of the driven gears. In a force applied when the biasing member biases the driven gears, assuming that a direction orthogonal to a tangent line at a point of action of the force is set as a first direction, the first direction is different from a second direction.Type: ApplicationFiled: December 21, 2021Publication date: June 30, 2022Applicant: JTEKT CORPORATIONInventors: Yuichi TOYAMA, Toshiaki MURAKAMI
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Patent number: 10078018Abstract: A temperature detection apparatus and a rotation angle detection apparatus are provided that allow a temperature of a resolver to be calculated in real time. A rotation angle detection apparatus (10) (temperature detection apparatus) includes a resolver (20) with an excitation coil and output coils wound thereon, the excitation coil being subjected to an excitation voltage (VA) and the output coil outputting voltage signals (VB, VC) corresponding to the excitation voltage (VA), and a temperature calculation circuit (sensor microcomputer (32)) that detects a phase of the excitation voltage (VA) and that detects a phase of an excitation current (IA). The temperature calculation circuit (sensor microcomputer (32)) calculates a temperature of the resolver (20) based on a phase difference between the excitation voltage (VA) and the excitation current (IA).Type: GrantFiled: February 16, 2016Date of Patent: September 18, 2018Assignee: JTEKT CORPORATIONInventor: Toshiaki Murakami
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Publication number: 20160252403Abstract: A temperature detection apparatus and a rotation angle detection apparatus are provided that allow a temperature of a resolver to be calculated in real time. A rotation angle detection apparatus (10) (temperature detection apparatus) includes a resolver (20) with an excitation coil and output coils wound thereon, the excitation coil being subjected to an excitation voltage (VA) and the output coil outputting voltage signals (VB, VC) corresponding to the excitation voltage (VA), and a temperature calculation circuit (sensor microcomputer (32)) that detects a phase of the excitation voltage (VA) and that detects a phase of an excitation current (IA). The temperature calculation circuit (sensor microcomputer (32)) calculates a temperature of the resolver (20) based on a phase difference between the excitation voltage (VA) and the excitation current (IA).Type: ApplicationFiled: February 16, 2016Publication date: September 1, 2016Applicant: JTEKT CORPORATIONInventor: Toshiaki MURAKAMI
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Patent number: 9304797Abstract: A virtual client management system includes a storage unit 14 and a processor 20. The processor 20 notifies a virtual client deployment apparatus 30 that deploys virtual clients 100 on a virtual client apparatus 10 of an instruction to deploy the virtual clients 100, the instruction including setting information read from the storage unit 14; transmits a request for acquiring the setting information to the virtual client deployment apparatus 20; acquires a physical address of the virtual client 100 deployed by the setting information; stores the physical address in correlation with a record including the setting information in the storage unit 14; and receives a request (including the physical address of the virtual client 100) for acquiring the setting information from the virtual client 100 deployed by the virtual client deployment apparatus 20, reads the setting information, and sets the setting information for the virtual client 100.Type: GrantFiled: October 1, 2013Date of Patent: April 5, 2016Assignee: Hitachi, Ltd.Inventors: Katsuyuki Umezawa, Yuichiro Kato, Arata Iwashita, Toshiaki Murakami
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Patent number: 9010199Abstract: A stator includes: cylindrical stator cores, each of which is formed of a laminated structure of electromagnetic steel sheets and at which an exciting coil and a detection coil are wound; and a mounting seat portion that is fixedly fitted to axial end faces of the stator cores. Insertion holes through which inserting bolts are passed are formed in the mounting seat portion.Type: GrantFiled: March 8, 2013Date of Patent: April 21, 2015Assignee: JTEKT CorporationInventor: Toshiaki Murakami
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Publication number: 20140143772Abstract: A virtual client management system includes a storage unit 14 and a processor 20. The processor 20 notifies a virtual client deployment apparatus 30 that deploys virtual clients 100 on a virtual client apparatus 10 of an instruction to deploy the virtual clients 100, the instruction including setting information read from the storage unit 14; transmits a request for acquiring the setting information to the virtual client deployment apparatus 20; acquires a physical address of the virtual client 100 deployed by the setting information; stores the physical address in correlation with a record including the setting information in the storage unit 14; and receives a request (including the physical address of the virtual client 100) for acquiring the setting information from the virtual client 100 deployed by the virtual client deployment apparatus 20, reads the setting information, and sets the setting information for the virtual client 100.Type: ApplicationFiled: October 1, 2013Publication date: May 22, 2014Applicant: Hitachi, Ltd.Inventors: Katsuyuki UMEZAWA, Yuichiro KATO, Arata IWASHITA, Toshiaki MURAKAMI
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Publication number: 20130239703Abstract: A stator includes: cylindrical stator cores, each of which is formed of a laminated structure of electromagnetic steel sheets and at which an exciting coil and a detection coil are wound; and a mounting seat portion that is fixedly fitted to axial end faces of the stator cores. Insertion holes through which inserting bolts are passed are formed in the mounting seat portion.Type: ApplicationFiled: March 8, 2013Publication date: September 19, 2013Applicant: JTEKT CORPORATIONInventor: Toshiaki MURAKAMI
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Patent number: 8193677Abstract: A motor includes a cylindrical stator. The stator includes a stator core having teeth, which project inwardly in the radial direction, and coils, which are formed by winding a conductive wire onto each tooth with first and second insulators. The first insulator includes a support extending axially from an outer restriction wall. Each of first to third bus bars is supported by the support of the first insulator in a state in which a main portion is exposed. The main portions of the first to third bus bars are thus in contact with ambient air.Type: GrantFiled: August 27, 2008Date of Patent: June 5, 2012Assignee: JTEKT CorporationInventors: Toshiaki Murakami, Tomohiro Niwa
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Patent number: 8040006Abstract: A motor rotor has a rotor yoke having a polygonal column structure, a plurality of magnet fixing sections formed on the lateral surface of the rotor yoke, segment magnets respectively fixed to the magnet fixing sections and extending in the axial direction of the rotor yoke, and projections provided on the rotor yoke and protruding outward from the rotor yoke, the projections being provided at each boundary section located between each of the adjacent magnet fixing sections and being provided in pairs in the axial direction of the rotor yoke.Type: GrantFiled: April 23, 2009Date of Patent: October 18, 2011Assignee: JTEKT CorporationInventor: Toshiaki Murakami
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Publication number: 20090267438Abstract: A motor rotor has a rotor yoke having a polygonal column structure, a plurality of magnet fixing sections formed on the lateral surface of the rotor yoke, segment magnets respectively fixed to the magnet fixing sections and extending in the axial direction of the rotor yoke, and projections provided on the rotor yoke and protruding outward from the rotor yoke, the projections being provided at each boundary section located between each of the adjacent magnet fixing sections and being provided in pairs in the axial direction of the rotor yoke.Type: ApplicationFiled: April 23, 2009Publication date: October 29, 2009Applicant: JTEKT CorporationInventor: Toshiaki MURAKAMI
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Publication number: 20090058215Abstract: A motor includes a cylindrical stator. The stator includes a stator core having teeth, which project inwardly in the radial direction, and coils, which are formed by winding a conductive wire onto each tooth with first and second insulators. The first insulator includes a support extending axially from an outer restriction wall. Each of first to third bus bars is supported by the support of the first insulator in a state in which a main portion is exposed. The main portions of the first to third bus bars are thus in contact with ambient air.Type: ApplicationFiled: August 27, 2008Publication date: March 5, 2009Applicant: JTEKT CORPORATIONInventors: Toshiaki MURAKAMI, Tomohiro NIWA
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Patent number: 6919665Abstract: In a stator core is formed by laminated strip-shaped straight cores including a plurality of teeth portions, bent portions being provided with V-shaped notches, which define V-shaped gaps opened to one direction and interposing between each of the teeth portions, the straight cores being formed into an annular configuration by bending the bent portions in a direction so as to close the V-shaped notches and circular holes being provided at the bent portions so as to form a series of gaps between each of the teeth portions. The straight cores further include deformation preventing portions formed on the bent portions by cutting off a part of a pair of oblique lines defining the V-shaped notches toward the circular holes so as to expand the gaps of the V-shaped notches and the circular holes for preventing the bent portions from deforming by stress of bending process.Type: GrantFiled: September 30, 2003Date of Patent: July 19, 2005Assignee: Nidec Shibaura CorporationInventors: Takuya Murakami, Toshiaki Murakami
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Publication number: 20050067912Abstract: In a stator core is formed by laminated strip-shaped straight cores including a plurality of teeth portions, bent portions being provided with V-shaped notches, which define V-shaped gaps opened to one direction and interposing between each of the teeth portions, the straight cores being formed into an annular configuration by bending the bent portions in a direction so as to close the V-shaped notches and circular holes being provided at the bent portions so as to form a series of gaps between each of the teeth portions. The straight cores further include deformation preventing portions formed on the bent portions by cutting off a part of a pair of oblique lines defining the V-shaped notches toward the circular holes so as to expand the gaps of the V-shaped notches and the circular holes for preventing the bent portions from deforming by stress of bending process.Type: ApplicationFiled: September 30, 2003Publication date: March 31, 2005Applicant: NIDEC SHIBAURA CORPORATIONInventors: Takuya Murakami, Toshiaki Murakami
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Patent number: 5016563Abstract: In a method of manufacturing a thin film of a compound oxide, different types of materials for forming the compound oxide are evaporated in vacuum. The evaporated materials are heated and deposited on a substrate to form a thin film. An oxygen ion beam having energy of 10 to 200 eV is implanted in the thin film which is being formed on the substrate. Alignment of the constituting elements is performed on the basis of a substrate temperature and energy of the oxygen ion beam, thereby causing epitaxial growth.Type: GrantFiled: August 29, 1989Date of Patent: May 21, 1991Assignee: Nippon Telegraph and Telephone CorporationInventors: Toshiaki Murakami, Kazuyuki Moriwaki
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Patent number: 4888202Abstract: In a method of manufacturing a thin film of a compound oxide, different types of materials for forming the compound oxide are evaporated in vacuum. The evaporated materials are heated and deposited on a substrate to form a thin film. An oxygen ion beam having energy of 10 to 200 eV is implanted in the thin film which is being formed on the substrate. Alignment of the constituting elements is performed on the basis of a substrate temperature and energy of the oxygen ion beam, thereby causing epitaxial growth.Type: GrantFiled: July 23, 1987Date of Patent: December 19, 1989Assignee: Nippon Telegraph and Telephone CorporationInventors: Toshiaki Murakami, Kazuyuki Moriwaki
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Patent number: 4578691Abstract: A photodetecting device having Josephson junctions, comprises an insulating substrate, a polycrystalline superconductor film formed on the insulating substrate such that Josephson junctions are formed at grain boundaries, the superconductor film having a first region subjected to light illumination, and second and third regions formed contiguously at both sides of the first region such that a width of each of the second and third regions is wider than that of the first region, a bias circuit for supplying a predetermined bias current between the second and third regions, and an output circuit for detecting a change in voltage between the second and third regions, one terminal of said bias circuit and one terminal of said output circuit being commonly grounded, wherein the superconductor film comprises BaPb.sub.1-x Bi.sub.x O.sub.3 (where 0.05.ltoreq.x<0.32) having an I-V characteristic of weak link type under temperature condition less than transition temperature of said BaPb.sub.1-x Bi.sub.x O.sub.3.Type: GrantFiled: September 14, 1984Date of Patent: March 25, 1986Assignee: Nippon Telephone & Telegraph Public CorporationInventors: Toshiaki Murakami, Yoichi Enomoto, Minoru Suzuki
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Patent number: 4521682Abstract: A photodetecting device having Josephson junctions, comprises an insulating substrate, a polycrystalline superconductor film formed on the insulating substrate such that Josephson junctions are formed at grain boundaries, the superconductor film having a first region subjected to light illumination, and second and third regions formed contiguously at both sides of the first region such that a width of each of the second and third regions is wider than that of the first region, an input circuit for supplying a predetermined bias current between the second and third regions, and an output circuit for detecting a change in voltage between the second and third regions, one terminal of said input circuit and one terminal of said output circuit being commonly grounded, wherein the superconductor film comprises BaPb.sub.1-x Bi.sub.x O.sub.3 (where 0.32.ltoreq.x.ltoreq.0.35). This simple photodetecting device can detect an optical signal at high speed with high sensitivity.Type: GrantFiled: May 7, 1984Date of Patent: June 4, 1985Assignee: Nippon Telegraph & Telephone Public CorporationInventors: Toshiaki Murakami, Yoichi Enomoto, Takahiro Inamura
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Patent number: 4316785Abstract: A tunneling Josephson junction is disclosed in which first and second superposed superconducting electrode layers are formed of thin films of oxide superconducting materials having a perovskite structure of BaPB.sub.1-x Bi.sub.x O.sub.3. A barrier layer interposed between these superconducting electrode layers is a thin film of long service life which is stable and breakdown free under heat cycles from room temperature to ultra low temperatures. This film is made of an oxide with perovskite structure which has the same crystal structure and thermal expansion coefficient as those of the first and second superconducting layers for functioning as an insulator or a semiconductor. The oxide with perovskite structure may be BaSnO.sub.3, Ba.sub.1-y Sr.sub.y Pb.sub.1-x Bi.sub.x O.sub.3 (wherein 0.ltoreq.x.ltoreq.0.3, y>0.3) or BaPb.sub.1-x (A.sub.1-y Bi.sub.y)O.sub.3 (wherein A is at least one member selected from the group consisting of V, Nb, Ta and Sb; 0.1.ltoreq.x.ltoreq.0.3; and 0.ltoreq.y.ltoreq.0.5).Type: GrantFiled: October 31, 1980Date of Patent: February 23, 1982Assignee: Nippon Telegraph & Telephone Public CorporationInventors: Minoru Suzuki, Toshiaki Murakami, Takahiro Inamura, Takashi Inukai, Youichi Enomoto