Patents by Inventor Junya Ueda
Junya Ueda 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: 11916440Abstract: One aspect of a rotor of the present invention includes: a rotor core rotatable about a central axis; and a rotor magnet fixed to an outer peripheral surface of the rotor core. The rotor magnet has a plurality of magnetized portions arranged along a circumferential direction in a Halbach array. The plurality of magnetized portions include a plurality of radially magnetized portions whose magnetization direction is a radial direction and a plurality of non-radially magnetized portions whose magnetization direction is different from the radial direction. The rotor core is a non-magnetic member that has a hole, recessed from a surface on one side in an axial direction of the rotor core to the other side in the axial direction and is made of a non-magnetic material. The hole is located on the radially inner side of the radially magnetized portion.Type: GrantFiled: January 10, 2020Date of Patent: February 27, 2024Assignee: NIDEC CORPORATIONInventors: Junya Tanaka, Tomoya Ueda
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Publication number: 20220397838Abstract: Provided is an electrostatic latent image developing toner including: toner base particles containing a binder resin and a white pigment; and an external additive, wherein silica particles are contained as the external additive, and the following relational expression (1) is satisfied, Relational expression (1): 0.70?Wh_Si(B)/Wh_Si(A)?0.95, in the above relational expression (1), Wh_Si (A) represents an NET intensity of a Si element contained in the white electrostatic latent image developing toner measured by wavelength dispersive X-ray fluorescence spectrometer, and Wh_Si (B) represents an NET intensity of a Si element contained in the white electrostatic latent image developing toner that has been ultrasonically dispersed in water.Type: ApplicationFiled: April 14, 2022Publication date: December 15, 2022Inventors: Junya UEDA, Yohei MARUYAMA, Shinya OBARA
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Publication number: 20220305660Abstract: A control method for a robot system includes a detection step of detecting a position of a female connector, a reference position setting step of setting a reference position as a reference for determination as to whether or not an insertion of a male connector into the female connector is successful based on the position of the female connector, and an insertion operation step of moving the male connector in an insertion start position along an insertion direction of the female connector, with a position where a force sensor of a robot detects a predetermined force generated by contact between the male connector and the female connector during the movement as a comparison position, and determining whether or not the insertion is successful by comparing the reference position and the comparison position.Type: ApplicationFiled: March 25, 2022Publication date: September 29, 2022Inventor: Junya UEDA
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Patent number: 11267123Abstract: A robot system that performs work of coupling a cable to a connector provided on a board, includes a robot in which a gripping unit that grips the cable and a force detection unit that detects a force acting on the gripping unit are provided, and a robot control apparatus that controls the robot, wherein the robot control apparatus controls the robot to perform a conveyance action for the gripping unit to grip the cable with a first gripping force and convey the cable onto the board, a correction action for the gripping unit to grip the cable with a second gripping force and correct a posture of the cable based on the force acting by pressing the cable against the connector, and an insertion action for the gripping unit to grip the cable with a third gripping force and insert the cable into the connector.Type: GrantFiled: November 15, 2019Date of Patent: March 8, 2022Inventors: Junya Ueda, Hideki Hata, Masaki Miyasaka
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Patent number: 11230010Abstract: A robot system that performs work of coupling a flexible cable to a connector provided on a board, includes a robot in which a gripping unit that grips the cable and a force detection unit that detects a force acting on the gripping unit are provided, a control unit that controls the robot to perform a conveyance action to grip the cable using the gripping unit and convey the cable onto the board, and an insertion action to insert the cable into the connector by force control based on a detection result in the force detection unit, an insertion speed entry part in which an insertion speed of the cable into the connector at the insertion action is entered, and a determination unit that can determine force control information necessary for the force control in the insertion action according to the insertion speed.Type: GrantFiled: December 6, 2019Date of Patent: January 25, 2022Inventor: Junya Ueda
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Patent number: 11167413Abstract: A robot control apparatus includes a processor that is configured to control a robot having a robot arm to which an end effector is attached. The processor is configured to: insert one end of a cable into a first connector while holding a side of one end of the cable using the end effector; store a position and a posture of a specific point on the cable or the end effector when the insertion of the one end of the cable into the first connector is completed; move the end effector along the cable toward a side of the other end of the cable based on an amount of movement toward the other end of the cable stored in advance and the position and the posture while guiding the cable using the end effector; hold the side of the other end of the cable using the end effector.Type: GrantFiled: April 24, 2019Date of Patent: November 9, 2021Inventors: Junya Ueda, Masayuki Ilyama, Tsuguya Kojima, Yuki Yahiro
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Patent number: 11126154Abstract: A control device adapted to control a robot including a robot arm provided with a force detector includes a processor that is configured to execute computer-executable instructions so as to control the robot, wherein the processor is configured to: operate the robot arm to move a screw gauge which is disposed on a tip side of the force detector of the robot arm, used for an inspection of a screw hole, and provided with an external thread, to make the external thread have contact with the screw hole; then detect force applied to the screw gauge using the force detector to perform force control in a direction perpendicular to a direction of an axis of the screw hole based on detection information of the force detector; and operate the robot arm to move the screw gauge based on the force control.Type: GrantFiled: May 30, 2018Date of Patent: September 21, 2021Inventors: Junya Ueda, Yuji Shimada
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Patent number: 10792812Abstract: A control device includes a processor that is configured to execute computer-executable instructions so as to control driving of a robot capable of performing work including a screw-tightening process for tightening a screw, wherein the processor is configured to: receive an input of at least one of characteristics of an object including the screw used in the screw-tightening process; calculate, on the basis of the characteristics received, a value concerning screw-tightening torque at a time of the tightening of the screw by the robot; and cause a display to display the value concerning the screw-tightening torque.Type: GrantFiled: January 26, 2018Date of Patent: October 6, 2020Assignee: Seiko Epson CorporationInventor: Junya Ueda
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Patent number: 10698331Abstract: To provide a two-component developer for electrostatic charge image development, the two-component developer enabling a high image quality to be kept and enabling the occurrence of fogging to be suppressed even in continuous printing of an image high in coverage rate. The two-component developer for electrostatic charge image development includes a toner particle including a toner base particle and an external additive disposed on the surface of the toner base particle, and a carrier particle including a core material particle and a covering section disposed on the surface of the core material particle, wherein the external additive includes an alumina particle, and the percentage of exposed area of the core material particle is 4.0% or more and 15.0% or less.Type: GrantFiled: May 6, 2019Date of Patent: June 30, 2020Assignee: KONICA MINOLTA, INC.Inventors: Shinya Obara, Koji Shibata, Junya Ueda, Takuya Takahashi, Satoshi Uchino
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Publication number: 20200180157Abstract: A robot system that performs work of coupling a flexible cable to a connector provided on a board, includes a robot in which a gripping unit that grips the cable and a force detection unit that detects a force acting on the gripping unit are provided, a control unit that controls the robot to perform a conveyance action to grip the cable using the gripping unit and convey the cable onto the board, and an insertion action to insert the cable into the connector by force control based on a detection result in the force detection unit, an insertion speed entry part in which an insertion speed of the cable into the connector at the insertion action is entered, and a determination unit that can determine force control information necessary for the force control in the insertion action according to the insertion speed.Type: ApplicationFiled: December 6, 2019Publication date: June 11, 2020Inventor: Junya UEDA
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Publication number: 20200174388Abstract: It is a two-component developer for electrostatic charge image development, which contains toner containing at least a binder resin and an external additive on a surface and a carrier containing a resin layer at least on a surface of a core material. The binder resin contains a crystalline polyester resin, the external additive contains alumina particles, and the resin layer contains a silicone resin.Type: ApplicationFiled: October 21, 2019Publication date: June 4, 2020Inventors: Koji SHIBATA, Shinya OBARA, Junya UEDA, Takuya TAKAHASHI
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Publication number: 20200156249Abstract: A robot system that performs work of coupling a cable to a connector provided on a board, includes a robot in which a gripping unit that grips the cable and a force detection unit that detects a force acting on the gripping unit are provided, and a robot control apparatus that controls the robot, wherein the robot control apparatus controls the robot to perform a conveyance action for the gripping unit to grip the cable with a first gripping force and convey the cable onto the board, a correction action for the gripping unit to grip the cable with a second gripping force and correct a posture of the cable based on the force acting by pressing the cable against the connector, and an insertion action for the gripping unit to grip the cable with a third gripping force and insert the cable into the connector.Type: ApplicationFiled: November 15, 2019Publication date: May 21, 2020Inventors: Junya UEDA, Hideki HATA, Masaki MIYASAKA
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Patent number: 10585368Abstract: Provided is an electrostatic image developing toner containing toner mother particles having external additives on a surface of the mother particle, wherein the external additives contains calcium titanate particles having an average primary particle size in the range of 50 to 150 nm, and alumina particles; and an average primary particle size of the alumina particles is less than the average primary particle size of the calcium titanate particles.Type: GrantFiled: November 19, 2018Date of Patent: March 10, 2020Assignee: KONICA MINOLTA, INC.Inventors: Junya Ueda, Shinya Obara, Takuya Takahashi, Ikuko Sakurada, Satoshi Uchino
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Publication number: 20190354032Abstract: To provide a two-component developer for electrostatic charge image development, the two-component developer enabling a high image quality to be kept and enabling the occurrence of fogging to be suppressed even in continuous printing of an image high in coverage rate. The two-component developer for electrostatic charge image development includes a toner particle including a toner base particle and an external additive disposed on the surface of the toner base particle, and a carrier particle including a core material particle and a covering section disposed on the surface of the core material particle, wherein the external additive includes an alumina particle, and the percentage of exposed area of the core material particle is 4.0% or more and 15.0% or less.Type: ApplicationFiled: May 6, 2019Publication date: November 21, 2019Inventors: Shinya OBARA, Koji SHIBATA, Junya UEDA, Takuya TAKAHASHI, Satoshi UCHINO
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Publication number: 20190329403Abstract: A robot control apparatus includes a processor that is configured to control a robot having a robot arm to which an end effector is attached. The processor is configured to: insert one end of a cable into a first connector while holding a side of one end of the cable using the end effector; store a position and a posture of a specific point on the cable or the end effector when the insertion of the one end of the cable into the first connector is completed; move the end effector along the cable toward a side of the other end of the cable based on an amount of movement toward the other end of the cable stored in advance and the position and the posture while guiding the cable using the end effector; hold the side of the other end of the cable using the end effector.Type: ApplicationFiled: April 24, 2019Publication date: October 31, 2019Inventors: Junya UEDA, Masayuki IIYAMA, Tsuguya KOJIMA, Yuki YAHIRO
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Patent number: 10409189Abstract: The disclosure concerns an electrostatic latent image developer including: a toner having toner base particles and an external additive; and a carrier, wherein the external additive contains silicone oil-treated silica and titanium oxide, Net intensity of titanium (Ti) in the toner to be measured by X-ray fluorescence analysis is 0.5 to 5 kcps, the carrier has a resin coating layer coating core material particles, and the resin coating layer has a constituent unit formed from an alicyclic (meth)acrylic acid ester.Type: GrantFiled: October 31, 2017Date of Patent: September 10, 2019Assignee: KONICA MINOLTA, INC.Inventors: Junya Ueda, Satoshi Uchino, Shinya Obara, Takuya Takahashi
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Patent number: 10363661Abstract: A control device which controls a robot having a moving part includes: a processor which is configured to cause an end effector provided on the moving part to move an insertion object, bring the insertion object into contact with an insertion hole provided in an insertion target object in the state where the insertion object is tilted from a center axis of the insertion hole, and subsequently insert the insertion object into the insertion hole.Type: GrantFiled: July 21, 2017Date of Patent: July 30, 2019Assignee: Seiko Epson CorporationInventors: Junya Ueda, Masakazu Kobayashi, Yasuhiro Shimodaira
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Publication number: 20190212666Abstract: Provided is an electrostatic image developing toner containing toner mother particles having external additives on a surface of the mother particle, wherein the external additives contains calcium titanate particles having an average primary particle size in the range of 50 to 150 nm, and alumina particles; and an average primary particle size of the alumina particles is less than the average primary particle size of the calcium titanate particles.Type: ApplicationFiled: November 19, 2018Publication date: July 11, 2019Inventors: Junya UEDA, Shinya Obara, Takuya Takahashi, Ikuko Sakurada, Satoshi Uchino
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Patent number: 10241432Abstract: An electrostatically charged image developing toner includes a particulate toner matrix containing an external additive on the surface of the particulate toner matrix. The external additive includes silica particles A and silica particles B. The silica particles A have a number average primary-particle diameter in the range of 40 to 100 nm and an average circularity in the range of 0.50 to 0.90, and are surface-modified with silicone oil. The silica particles B have a number average primary-particle diameter of 25 nm or more and smaller than the number average primary-particle diameter of the silica particles A, and are surface-modified with alkylalkoxysilane having a specific structure or silazane.Type: GrantFiled: October 18, 2017Date of Patent: March 26, 2019Assignee: KONICA MINOLTA, INC.Inventors: Shinya Obara, Satoshi Uchino, Junya Ueda, Takuya Takahashi
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Patent number: 10234778Abstract: An electrostatic charge image developing toner includes toner particles including a particulate toner matrix and an external additive adhering to a surface of the particulate toner matrix. The particulate toner matrix includes a crystalline polyester resin. The external additive includes silica particles. The silica particles are secondary particles including primary particles having a diameter in the range of 30 to 90 nm. The secondary particles have an average circularity in the range of 0.25 to 0.50. The secondary particles have an average aspect ratio of 3.0 or more.Type: GrantFiled: September 8, 2017Date of Patent: March 19, 2019Assignee: KONICA MINOLTA, INC.Inventors: Satoshi Uchino, Shinya Obara, Junya Ueda, Takuya Takahashi