Patents by Inventor Ryusuke Sato
Ryusuke Sato 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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Patent number: 11943404Abstract: An image forming apparatus includes: an image forming section that forms an image on a document; a first ejection section that ejects the document on which the image has been formed; an exterior portion which is movable and a part of which constitutes an exterior of the apparatus; an entrance portion that is exposed by movement of the exterior portion and that constitutes an entrance for the document to be transported to an image reading section that reads the image formed on the document; the image reading section that reads the image formed on the document transported after the entrance portion is exposed; and a second ejection section that ejects the document which has been read by the image reading section. An ejecting direction of the first ejection section, an ejecting direction of the second ejection section, and a moving direction of the exterior portion coincide with each other.Type: GrantFiled: January 5, 2022Date of Patent: March 26, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Isamu Adachi, Tomonori Sato, Ryusuke Nakata, Kazuyuki Koda, Miho Morita, Tomomi Ishida
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Patent number: 11336146Abstract: A motor includes a rotor including a shaft centered on a vertically extending center axis, a stator radially opposite to the rotor and including coils, a bearing supporting the shaft, and a bus bar assembly on an upper side in an axial direction of the stator. The bus bar assembly includes bus bars including a terminal portion connected to a lead wire drawn out from the coil and a bus bar holder holding the bus bars. The terminal portion includes a slit which extends axially downward and into which the lead wire is fitted. The width of the slit is narrower than the diameter of the lead wire.Type: GrantFiled: November 4, 2020Date of Patent: May 17, 2022Assignee: NIDEC CORPORATIONInventors: Yuhei Yamaguchi, Ryusuke Sato, Hisashi Fujihara, Keigo Nakamura
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Publication number: 20210050760Abstract: A motor includes a rotor including a shaft centered on a vertically extending center axis, a stator radially opposite to the rotor and including coils, a bearing supporting the shaft, and a bus bar assembly on an upper side in an axial direction of the stator. The bus bar assembly includes bus bars including a terminal portion connected to a lead wire drawn out from the coil and a bus bar holder holding the bus bars. The terminal portion includes a slit which extends axially downward and into which the lead wire is fitted. The width of the slit is narrower than the diameter of the lead wire.Type: ApplicationFiled: November 4, 2020Publication date: February 18, 2021Inventors: Yuhei YAMAGUCHI, Ryusuke SATO, Hisashi FUJIHARA, Keigo NAKAMURA
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Patent number: 10923981Abstract: A motor includes a rotor including a shaft centered on a vertically extending center axis, a stator radially opposite to the rotor and including coils, a bearing supporting the shaft, and a bus bar unit on an upper side in an axial direction of the stator. The bus bar unit includes bus bars including a terminal portion connected to a lead wire drawn out from the coil and a bus bar holder holding the bus bars. The terminal portion includes a slit which extends axially downward and into which the lead wire is fitted. The width of the slit is narrower than the diameter of the lead wire.Type: GrantFiled: August 25, 2017Date of Patent: February 16, 2021Assignee: NIDEC CORPORATIONInventors: Yuhei Yamaguchi, Ryusuke Sato, Hisashi Fujihara, Keigo Nakamura
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Patent number: 10637323Abstract: A motor includes a bus bar assembly including a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a bottom portion, and a first circuit board support portion. The wiring member includes a circuit board connection terminal electrically connected to the circuit board. The circuit board connection terminal includes a contact portion connected to the circuit board, and applies force to the circuit board through the contact portion. The first circuit board support portion is disposed at a region of the bottom portion to define a side at which the circuit board connection terminal is located when viewed from one direction. The first circuit board support portion and the contact portion are located at different positions when viewed from the one direction.Type: GrantFiled: January 11, 2019Date of Patent: April 28, 2020Assignee: Nidec CorporationInventors: Hidehiro Haga, Ryusuke Sato, Yosuke Yamada, Yasuaki Nakahara
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Patent number: 10541584Abstract: A motor includes a bus bar holder with a bottom portion widening from an inner surface of a main body portion to a radially inner side, and protrusion portions extending from the bottom portion toward one side. A wiring member held by the bus bar holder includes circuit board connection terminals electrically connected to one surface of the circuit board. The circuit board connection terminals are arranged in a predetermined direction at one surface of the circuit board. An outer edge of the circuit board is provided with a first notch portion in which one of the protrusions is located. The first notch portion is opened toward any one of a direction from the center axis to the circuit board connection terminal and a predetermined direction, when viewed from one direction.Type: GrantFiled: March 29, 2017Date of Patent: January 21, 2020Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato
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Patent number: 10439467Abstract: A motor includes a rotor, a stator, a housing, a bus bar assembly, a cover fixed to the housing, and a circuit board. The bus bar assembly includes a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a connector portion, and a connection terminal holding portion. The cover directly or indirectly contacts a second side of the main body portion. The wiring member includes a circuit board connection terminal fixed to the connection terminal holding portion and an external power-supply connection terminal. At least one other portion of the wiring member is located closer to a second side of the motor than the external power-supply connection terminal.Type: GrantFiled: December 18, 2018Date of Patent: October 8, 2019Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato, Masashi Sonoda
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Publication number: 20190296601Abstract: A motor includes a rotor including a shaft centered on a vertically extending center axis, a stator radially opposite to the rotor and including coils, a bearing supporting the shaft, and a bus bar unit on an upper side in an axial direction of the stator. The bus bar unit includes bus bars including a terminal portion connected to a lead wire drawn out from the coil and a bus bar holder holding the bus bars. The terminal portion includes a slit which extends axially downward and into which the lead wire is fitted. The width of the slit is narrower than the diameter of the lead wire.Type: ApplicationFiled: August 25, 2017Publication date: September 26, 2019Inventors: Yuhei YAMAGUCHI, Ryusuke SATO, Hisashi FUJIHARA, Keigo NAKAMURA
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Patent number: 10411553Abstract: A bus bar holder of a motor includes a main body portion, and a connector portion protruding from the main body portion toward a radially outer side and located at a rear side of an axial direction ahead of a housing. The bus bar holder is provided with a seal portion directly or indirectly contacting a cover along a circumferential direction of a center axis. The connector portion includes a connector connection portion that connects the main body portion of the bus bar holder to the connector main body portion. At least a portion of the surface of a front side of an axial direction of the connector connection portion is located at a front side ahead of the seal portion at a radially outer side of the seal portion.Type: GrantFiled: March 29, 2017Date of Patent: September 10, 2019Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato
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Patent number: 10411545Abstract: A motor includes a rotor, a stator, first and second bearings supporting the rotor, a bus bar portion, and a tubular housing retaining the bus bar portion, the stator, and the first bearing. The housing includes a circular bottom portion including a through-hole, and a first bearing retaining portion retaining the first bearing and extending in one direction. The bus bar portion includes a bus bar, and a bus bar holder supporting the bus bar. The bus bar holder includes a second bearing retaining portion retaining the second bearing, and a tubular main body portion. The main body portion is positioned by the stator.Type: GrantFiled: March 31, 2015Date of Patent: September 10, 2019Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato
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Publication number: 20190149014Abstract: A motor includes a bus bar assembly including a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a bottom portion, and a first circuit board support portion. The wiring member includes a circuit board connection terminal electrically connected to the circuit board. The circuit board connection terminal includes a contact portion connected to the circuit board, and applies force to the circuit board through the contact portion. The first circuit board support portion is disposed at a region of the bottom portion to define a side at which the circuit board connection terminal is located when viewed from one direction. The first circuit board support portion and the contact portion are located at different positions when viewed from the one direction.Type: ApplicationFiled: January 11, 2019Publication date: May 16, 2019Inventors: Hidehiro HAGA, Ryusuke SATO, Yosuke YAMADA, Yasuaki NAKAHARA
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Publication number: 20190123613Abstract: A motor includes a rotor, a stator, a housing, a bus bar assembly, a cover fixed to the housing, and a circuit board. The bus bar assembly includes a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a connector portion, and a connection terminal holding portion. The cover directly or indirectly contacts a second side of the main body portion. The wiring member includes a circuit board connection terminal fixed to the connection terminal holding portion and an external power-supply connection terminal. At least one other portion of the wiring member is located closer to a second side of the motor than the external power-supply connection terminal.Type: ApplicationFiled: December 18, 2018Publication date: April 25, 2019Inventors: Hidehiro HAGA, Ryusuke SATO, Masashi SONODA
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Patent number: 10243426Abstract: A motor includes a bus bar assembly including a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a bottom portion, and a first circuit board support portion. The wiring member includes a circuit board connection terminal electrically connected to the circuit board. The circuit board connection terminal includes a contact portion connected to the circuit board, and applies force to the circuit board through the contact portion. The first circuit board support portion is disposed at a region of the bottom portion to define a side at which the circuit board connection terminal is located when viewed from one direction. The first circuit board support portion and the contact portion are located at different positions when viewed from the one direction.Type: GrantFiled: March 29, 2017Date of Patent: March 26, 2019Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato, Yosuke Yamada, Yasuaki Nakahara
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Patent number: 10193410Abstract: A motor includes a rotor, a stator, a housing, a bus bar assembly, a cover fixed to the housing, and a circuit board. The bus bar assembly includes a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a connector portion, and a connection terminal holding portion. The cover directly or indirectly contacts a second side of the main body portion. The wiring member includes a circuit board connection terminal fixed to the connection terminal holding portion at a first side ahead of the end of the second side of the main body portion, and the end of the second side at the radially inner surface of the connection terminal holding portion is located at the first side ahead of the surface of the second side of the circuit board.Type: GrantFiled: March 29, 2017Date of Patent: January 29, 2019Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato, Masashi Sonoda
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Patent number: 10181766Abstract: A motor includes a rotor with a shaft, a stator, first and second bearings supporting the shaft, a bus bar assembly holding the second bearing, a circuit board, a sensor magnet fixed to the shaft, and a rotation sensor which is attached to the circuit board and faces a direction. The bus bar assembly includes a bus bar and a bus bar holder. The bus bar holder includes a cylindrical main body portion including an opening at a second side. The bus bar includes a coil connection portion that protrudes from an inner surface of the main body portion and is electrically connected to a coil of the stator. The end of the second side of the coil connection portion is located at a second side ahead of a surface of a first side of the circuit board.Type: GrantFiled: March 29, 2017Date of Patent: January 15, 2019Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato, Masashi Sonoda
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Patent number: 10103606Abstract: A case includes a cylindrical housing arranged to hold a stator, and having an opening portion at a top thereof; and a motor cover fitted to an upper side of the housing, and arranged to cover an upper side of the stator. A busbar unit includes a sensor busbar electrically connected to a rotation sensor, and a busbar holder arranged at the opening portion to hold the sensor busbar. The case includes a case through hole arranged to open into a space outside of the case. The busbar holder includes a cylindrical holder body portion having at least a portion thereof arranged radially inside of the opening portion; and a protruding portion arranged to protrude out of the case, and having at least a portion thereof arranged in the case through hole. A gap is defined circumferentially between the protruding portion and an edge of the case through hole.Type: GrantFiled: May 4, 2016Date of Patent: October 16, 2018Assignee: NIDEC CORPORATIONInventors: Yosuke Yamada, Ryusuke Sato, Yasuaki Nakahara, Yusuke Makino, Hisashi Fujihara
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Patent number: 10079520Abstract: A motor includes a bus bar holder with a main body portion, a connector portion protruding from the main body portion toward a radially outer side, and a connection terminal holding portion protruding from the main body inner surface toward a radially inner side. The main body portion is provided with a seal portion directly or indirectly contacting the cover along a circumferential direction of a center axis. A rib protruding toward a second side ahead of a circuit board is disposed at a surface of a second side of the connection terminal holding portion.Type: GrantFiled: March 29, 2017Date of Patent: September 18, 2018Assignee: NIDEC CORPORATIONInventors: Hidehiro Haga, Ryusuke Sato
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Publication number: 20170201147Abstract: A motor includes a rotor, a stator, a housing, a bus bar assembly, a cover fixed to the housing, and a circuit board. The bus bar assembly includes a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a connector portion, and a connection terminal holding portion. The cover directly or indirectly contacts a second side of the main body portion. The wiring member includes a circuit board connection terminal fixed to the connection terminal holding portion at a first side ahead of the end of the second side of the main body portion, and the end of the second side at the radially inner surface of the connection terminal holding portion is located at the first side ahead of the surface of the second side of the circuit board.Type: ApplicationFiled: March 29, 2017Publication date: July 13, 2017Inventors: Hidehiro HAGA, Ryusuke SATO, Masashi SONODA
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Publication number: 20170201148Abstract: A motor includes a bus bar holder with a bottom portion widening from an inner surface of a main body portion to a radially inner side, and protrusion portions extending from the bottom portion toward one side. A wiring member held by the bus bar holder includes circuit board connection terminals electrically connected to one surface of the circuit board. The circuit board connection terminals are arranged in a predetermined direction at one surface of the circuit board. An outer edge of the circuit board is provided with a first notch portion in which one of the protrusions is located. The first notch portion is opened toward any one of a direction from the center axis to the circuit board connection terminal and a predetermined direction, when viewed from one direction.Type: ApplicationFiled: March 29, 2017Publication date: July 13, 2017Inventors: Hidehiro HAGA, Ryusuke SATO
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Publication number: 20170201150Abstract: A motor includes a rotor with a shaft, a stator, first and second bearings supporting the shaft, a bus bar assembly holding the second bearing, a circuit board, a sensor magnet fixed to the shaft, and a rotation sensor which is attached to the circuit board and faces a direction. The bus bar assembly includes a bus bar and a bus bar holder. The bus bar holder includes a cylindrical main body portion including an opening at a second side. The bus bar includes a coil connection portion that protrudes from an inner surface of the main body portion and is electrically connected to a coil of the stator. The end of the second side of the coil connection portion is located at a second side ahead of a surface of a first side of the circuit board.Type: ApplicationFiled: March 29, 2017Publication date: July 13, 2017Inventors: Hidehiro HAGA, Ryusuke SATO, Masashi SONODA