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).

  • Publication number: 20190354032
    Abstract: 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: Application
    Filed: May 6, 2019
    Publication date: November 21, 2019
    Inventors: Shinya OBARA, Koji SHIBATA, Junya UEDA, Takuya TAKAHASHI, Satoshi UCHINO
  • Patent number: 10468608
    Abstract: Provided are an organic EL device having high efficiency and high driving stability, and a compound suitable for the device. Provided is a material for an organic electroluminescent device formed of a carborane compound having a structure in which: one or two boron atoms of a carborane ring C2B10H12 are substituted with an aromatic hydrocarbon group or an aromatic heterocyclic group; and the two carbon atoms of the carborane ring are each bonded to an aromatic hydrocarbon group or an aromatic heterocyclic group, or are each bonded to any other carborane ring when a plurality of carborane rings are present. Also provided is an organic electroluminescent device in which the material for an organic electroluminescent device is used in a light-emitting layer, an electron-transporting layer, or a hole-blocking layer.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: November 5, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Tokiko Ueda, Masashi Tada, Takahiro Kai
  • Publication number: 20190329403
    Abstract: 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: Application
    Filed: April 24, 2019
    Publication date: October 31, 2019
    Inventors: Junya UEDA, Masayuki IIYAMA, Tsuguya KOJIMA, Yuki YAHIRO
  • Patent number: 10446767
    Abstract: Disclosed is an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple construction. The device is an organic electroluminescent device having organic layers including a light-emitting layer between an anode and a cathode laminated on a substrate, in which a carborane compound is incorporated into at least one layer of the organic layers, or is incorporated as a host material into a light-emitting layer containing a phosphorescent light-emitting dopant and the host material. The carborane compound has a structure in which a N-containing fused aromatic ring is bonded to a carborane ring. The N-containing fused aromatic ring is a quinoline ring or has a structure obtained by substituting 1 to 3 ring-forming carbon atoms in a quinoline ring with N atoms.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: October 15, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Tokiko Ueda, Junya Ogawa, Takahiro Kai, Masashi Tada
  • Patent number: 10411198
    Abstract: The present invention discloses an organic electroluminescent (EL) device having improved luminous efficiency, sufficiently secured driving stability, and a simple construction. The organic EL device of the present invention includes, between an anode and a cathode laminated on a substrate, an organic layer including a material for a luminescent device, in which the material for a luminescent device includes a carborane compound. The carborane compound includes a branched carborane compound in which three or more carborane rings bonded to one another through an aromatic group are present, at least one dibenzothiophene ring is present, and the at least one dibenzothiophene ring is bonded to the carborane ring.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: September 10, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Masashi Tada, Tokiko Ueda, Takahiro Kai
  • Patent number: 10409189
    Abstract: 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: Grant
    Filed: October 31, 2017
    Date of Patent: September 10, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Junya Ueda, Satoshi Uchino, Shinya Obara, Takuya Takahashi
  • Publication number: 20190270914
    Abstract: Provided is a fumed silica for chemical-mechanical polishing with which post-polishing scratches occurring on a surface of an object to be polished can be significantly reduced, and which is important for miniaturization and multi-layering of a structure. The fumed silica according to the present invention has a BET specific surface area of 57-400 m2/g. In a liquid dispersion which is obtained by ultrasonically dispersing 6.25 mass % of this fumed silica in water at a vibration frequency of 20 kHz and an amplitude of 15-25 ?m for 3 minutes, the amount of residues on a sieve is 5 ppm or less as measured by wet sieving using an electroformed sieve having a mesh opening size of 5 ?m.
    Type: Application
    Filed: October 17, 2017
    Publication date: September 5, 2019
    Inventors: Masahide Ueda, Yukihiro Takata, Junya Horitsune
  • Patent number: 10363661
    Abstract: 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: Grant
    Filed: July 21, 2017
    Date of Patent: July 30, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Junya Ueda, Masakazu Kobayashi, Yasuhiro Shimodaira
  • Publication number: 20190212666
    Abstract: 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: Application
    Filed: November 19, 2018
    Publication date: July 11, 2019
    Inventors: Junya UEDA, Shinya Obara, Takuya Takahashi, Ikuko Sakurada, Satoshi Uchino
  • Patent number: 10305048
    Abstract: Disclosed are an organic electroluminescent device that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple construction, and a material for an organic electroluminescent device to be used in the device. The material is a material for an organic electroluminescent device formed of a carborane compound having an indolocarbazole skeleton and one or two or more carborane groups each bonded thereto directly or through a divalent group. In addition, the device is an organic electroluminescent device having organic layers including a light-emitting layer between an anode and a cathode laminated on a substrate, in which at least one layer of the organic layers contains the material for an organic electroluminescent device. In addition, the device is an organic electroluminescent device containing, as a host material for a light-emitting layer containing a phosphorescent light-emitting dopant and the host material, the material for an organic electroluminescent device.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: May 28, 2019
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Junya Ogawa, Takahiro Kai, Tokiko Ueda, Masashi Tada, Masaki Komori, Toshihiro Yamamoto
  • Patent number: 10241432
    Abstract: 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: Grant
    Filed: October 18, 2017
    Date of Patent: March 26, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Shinya Obara, Satoshi Uchino, Junya Ueda, Takuya Takahashi
  • Patent number: 10234778
    Abstract: 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: Grant
    Filed: September 8, 2017
    Date of Patent: March 19, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Satoshi Uchino, Shinya Obara, Junya Ueda, Takuya Takahashi
  • Publication number: 20190056679
    Abstract: An electrostatic latent image developing toner includes toner particles having silica particles as an external additive on surfaces of toner base particles, wherein surfaces of a part or all of the silica particles are modified with silicone oil, and the following relational formula (1) is satisfied. 0.30?Si(B)/Si(A)?0.65??relational formula (1) [In the relational formula (1), Si(A) represents a NET intensity of a Si element contained in the electrostatic latent image developing toner, measured by a wavelength dispersive X-ray fluorescence analyzer. Si(B) represents a NET intensity of a Si element contained in the electrostatic latent image developing toner ultrasonically dispersed in water, measured by a wavelength dispersive X-ray fluorescence analyzer.
    Type: Application
    Filed: August 17, 2018
    Publication date: February 21, 2019
    Inventors: Junya UEDA, Satoshi UCHINO, Shinya OBARA, Takuya TAKAHASHI
  • Publication number: 20180348729
    Abstract: 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: Application
    Filed: May 30, 2018
    Publication date: December 6, 2018
    Inventors: Junya UEDA, Yuji SHIMADA
  • Publication number: 20180215038
    Abstract: 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: Application
    Filed: January 26, 2018
    Publication date: August 2, 2018
    Inventor: Junya UEDA
  • Patent number: 9983495
    Abstract: An electrostatic image developing toner including a toner particle, wherein the toner particle contains a vinyl resin which is a polymer of a vinyl monomer having an acid group, a polyester resin, at least one of aluminum (Al) and magnesium (Mg), and tin (Sn), and when net intensities of Al, Mg and Sn in the toner particle measured by fluorescent X-ray analysis are respectively expressed as IAl, IMg and ISn, a ratio (IAl+IMg)/ISn is within a range of 0.5 to 2.5.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: May 29, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Junya Ueda, Kenshi Miyajima, Takaki Kawamura
  • Publication number: 20180143557
    Abstract: 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: Application
    Filed: October 31, 2017
    Publication date: May 24, 2018
    Inventors: Junya UEDA, Satoshi UCHINO, Shinya OBARA, Takuya TAKAHASHI
  • Publication number: 20180129184
    Abstract: A control device includes a processor that is configured to execute computer-executable instructions so as to control a robot that includes a robot arm including a force detector, wherein the processor is configured to reset the force detector after moving the robot arm at a first speed, and subsequently moves the robot arm at a second speed faster than the first speed and performs force control based on an output from the force detection unit.
    Type: Application
    Filed: November 8, 2017
    Publication date: May 10, 2018
    Inventors: Yasuhiro SHIMODAIRA, Junya UEDA
  • Publication number: 20180120721
    Abstract: 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: Application
    Filed: October 18, 2017
    Publication date: May 3, 2018
    Inventors: Shinya Obara, Satoshi Uchino, Junya Ueda, Takuya Takahashi
  • Publication number: 20180074421
    Abstract: 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: Application
    Filed: September 8, 2017
    Publication date: March 15, 2018
    Inventors: Satoshi UCHINO, Shinya Obara, Junya Ueda, Takuya Takahashi