Patents by Inventor Koji Ueda

Koji 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).

  • Patent number: 11885105
    Abstract: A hydraulic drive apparatus includes a flow-path selector valve and a flow-path switching control unit that operates the valve. The flow-path selector valve has a first position for a single operation state and a second position for a combined operation state, configured to, at the first position, form a first flow path connected to a first pump, a second flow path connected to a second pump, and a connecting flow path providing communication between the first flow path and the second flow path. When a driving state of a work actuator is deviated from an allowable range in the combined operation state, the flow-path switching control unit reduces an opening area of the connecting flow path as compared with that when the driving state is within the allowable range.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: January 30, 2024
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Masaki Nagai, Koji Ueda, Yuichiro Fujita
  • Publication number: 20230298921
    Abstract: A ceramic material that has a high resistivity and high corrosion resistance according to the present invention contains magnesium-aluminum oxynitride and has a carbon content of 0.005 to 0.275 mass %.
    Type: Application
    Filed: February 15, 2023
    Publication date: September 21, 2023
    Applicant: NGK Insulators, Ltd.
    Inventors: Akiyoshi HATTORI, Koji UEDA, Hitoshi NISHIO, Tomohisa MIZOGUCHI
  • Patent number: 11725673
    Abstract: Provided is a driving apparatus capable of effectively preventing impact at the stroke end in the hydraulic cylinder. The driving apparatus includes a hydraulic pump, a cylinder control valve, an operation member, a drive command input unit inputting a cylinder drive command corresponding to a cylinder operation applied to the operation member to the cylinder control valve, a cylinder stroke detection unit, a cylinder drive command restriction unit restricting the cylinder drive command in response to the cylinder stroke to stop a piston of a hydraulic cylinder before the stroke end.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: August 15, 2023
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventor: Koji Ueda
  • Patent number: 11713559
    Abstract: Disclosed is a hydraulic control apparatus including a flow-path selector valve that switches a supply flow path and a flow-path switching control unit that operates the same, a regeneration valve and a regeneration release valve capable of the regenerative operation, and a regeneration control unit that operates the same. The flow-path switching control unit makes the flow-path selector valve form a flow-path providing communication between first and second pumps in a combined operation state. The regeneration control unit judges the propriety of the regenerative operation on the basis of the second pump pressure which is the discharge pressure of the second pump in a single operation state and judges the propriety of the regenerative operation on the basis of whether or not the driving state of the work actuator is within an allowable range corresponding to the target work operation amount in the combined operation state.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: August 1, 2023
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Masaki Nagai, Koji Ueda, Yuichiro Fujita
  • Publication number: 20230110700
    Abstract: Provided is an ionic-liquid-containing polymer capable of further downsizing a comparison electrode or the like and further improving the degree of freedom in design while reducing the manufacturing cost. The ionic-liquid-containing polymer used as a salt bridge of the comparison electrode contains an adhesive and a hydrophobic ionic liquid.
    Type: Application
    Filed: February 26, 2021
    Publication date: April 13, 2023
    Inventors: Yasukazu IWAMOTO, Manabu SHIBATA, Koji UEDA, Guillaume Jacques BOUILLY, Kohei TSUJI
  • Publication number: 20230094490
    Abstract: A first layer, a second layer, and a third layer of a sleeve of a rotor are integrated side by side in this order from the radial center of the sleeve toward the outside. The first layer includes a first fiber-reinforced resin including a first carbon fiber extending in a direction inclined with respect to both the axis of the rotor shaft and a circumferential direction of the sleeve. The second layer includes a second fiber-reinforced resin including a second carbon fiber extending along the circumferential direction of the sleeve. the third layer includes a third fiber-reinforced resin including a third carbon fiber extending along the circumferential direction of the sleeve. An elastic modulus of the third layer is larger than an elastic modulus of the second layer.
    Type: Application
    Filed: August 9, 2022
    Publication date: March 30, 2023
    Applicant: Honda Motor Co., Ltd.
    Inventors: Yuji ONO, Kaoru TOMIOKA, Keiji TADA, Koji UEDA
  • Patent number: 11542963
    Abstract: Provided is a hydraulic drive apparatus including a specific working actuator making a working arm perform a traveling assist motion upon the slip, first and second traveling motors, first and second hydraulic pumps, a traveling selector valve switchable to a neutral position and a straight traveling position, a communication throttle portion between a working fluid passage and a traveling fluid passage in the straight traveling position, and a switching control part switching the traveling selector valve to the neutral position when a single operation action is performed and to the straight traveling position when a specific combined operation action including a forward traveling operation and the specific working operation is performed. The switching control section adjusts the opening of the communication throttle section to decrease the flow rate therethrough with an increase in the difference between the first and second pump pressures.
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: January 3, 2023
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventor: Koji Ueda
  • Publication number: 20220356679
    Abstract: A hydraulic drive apparatus includes a flow-path selector valve and a flow-path switching control unit that operates the valve. The flow-path selector valve has a first position for a single operation state and a second position for a combined operation state, configured to, at the first position, form a first flow path connected to a first pump, a second flow path connected to a second pump, and a connecting flow path providing communication between the first flow path and the second flow path. When a driving state of a work actuator is deviated from an allowable range in the combined operation state, the flow-path switching control unit reduces an opening area of the connecting flow path as compared with that when the driving state is within the allowable range.
    Type: Application
    Filed: June 15, 2020
    Publication date: November 10, 2022
    Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Masaki NAGAI, Koji UEDA, Yuichiro FUJITA
  • Publication number: 20220356675
    Abstract: Disclosed is a hydraulic control apparatus including a flow-path selector valve that switches a supply flow path and a flow-path switching control unit that operates the same, a regeneration valve and a regeneration release valve capable of the regenerative operation, and a regeneration control unit that operates the same. The flow-path switching control unit makes the flow-path selector valve form a flow-path providing communication between first and second pumps in a combined operation state. The regeneration control unit judges the propriety of the regenerative operation on the basis of the second pump pressure which is the discharge pressure of the second pump in a single operation state and judges the propriety of the regenerative operation on the basis of whether or not the driving state of the work actuator is within an allowable range corresponding to the target work operation amount in the combined operation state.
    Type: Application
    Filed: June 15, 2020
    Publication date: November 10, 2022
    Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Masaki NAGAI, Koji UEDA, Yuichiro FUJITA
  • Publication number: 20220291217
    Abstract: Exosomes were purified from the sera of patients with gastric cancer and healthy subjects by using size-exclusion chromatography, and novel markers were obtained through mass spectrometry. In the patients with gastric cancer, 40 proteins with enhanced expression and 4 proteins with decreased expression can be suitable markers for detecting gastric cancer. Particularly, the detailed analysis of CA1, including its function, showed that gastric cancer could be detected with high sensitivity.
    Type: Application
    Filed: September 4, 2020
    Publication date: September 15, 2022
    Inventors: Koji Ueda, Naomi Ohnishi
  • Patent number: 11384507
    Abstract: A turn-drive apparatus capable of securing high acceleration at the time of turning start with a reduced relief loss includes a hydraulic pump of a variable capacity type, a turning motor, a turning control device, a relief valve, and a flow rate control device that controls a pump flow rate. The flow rate control device calculates a relief-cut-control target pump flow rate on the basis of the sum of a minimum relief flow rate and a turning-speed flow rate, and inputs a pump capacity command to the variable capacity-type hydraulic pump based thereon. The flow rate control device makes the relief-cut-control target pump flow rate larger than the sum of the minimum relief flow rate and the turning-speed flow rate at the time of turning start.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: July 12, 2022
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Hideo Yoshihara, Natsuki Yumoto, Koji Ueda
  • Publication number: 20220178932
    Abstract: An object of the invention is to provide a method for detecting cancer in a simple and highly accurate manner, and a reagent that can be used in the method. A method for detecting cancer (excluding renal cell cancer), which comprises measuring the level of Azurocidin (AZU1) in a sample, in which it is determined that cancer is detected when a measured value exceeds a preset reference value. The cancer is preferably selected from the group consisting of stomach cancer, breast cancer, colorectal cancer, and lung cancer. A reagent containing an antibody that specifically recognizes AZU1 is used in detecting cancer (excluding renal cell cancer).
    Type: Application
    Filed: April 15, 2020
    Publication date: June 9, 2022
    Applicants: JAPANESE FOUNDATION FOR CANCER RESEARCH, OSAKA UNIVERSITY, TOSOH CORPORATION
    Inventors: Koji UEDA, Naomi OHNISHI, Kazutake TSUJIKAWA, Norio NONOMURA, Motohide UEMURA, Kentaro JINGUSHI, Norihisa OHTAKE, Yasutoshi KAWAI
  • Publication number: 20220120295
    Abstract: Provided is a driving apparatus capable of effectively preventing impact at the stroke end in the hydraulic cylinder. The driving apparatus includes a hydraulic pump, a cylinder control valve, an operation member, a drive command input unit inputting a cylinder drive command corresponding to a cylinder operation applied to the operation member to the cylinder control valve, a cylinder stroke detection unit, a cylinder drive command restriction unit restricting the cylinder drive command in response to the cylinder stroke to stop a piston of a hydraulic cylinder before the stroke end.
    Type: Application
    Filed: January 15, 2020
    Publication date: April 21, 2022
    Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventor: Koji UEDA
  • Publication number: 20220098825
    Abstract: A turn-drive apparatus capable of securing high acceleration at the time of turning start with a reduced relief loss includes a hydraulic pump of a variable capacity type, a turning motor, a turning control device, a relief valve, and a flow rate control device that controls a pump flow rate. The flow rate control device calculates a relief-cut-control target pump flow rate on the basis of the sum of a minimum relief flow rate and a turning-speed flow rate, and inputs a pump capacity command to the variable capacity-type hydraulic pump based thereon. The flow rate control device makes the relief-cut-control target pump flow rate larger than the sum of the minimum relief flow rate and the turning-speed flow rate at the time of turning start.
    Type: Application
    Filed: January 20, 2020
    Publication date: March 31, 2022
    Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Hideo YOSHIHARA, Natsuki YUMOTO, Koji UEDA
  • Patent number: 11273986
    Abstract: A conveyance roller 3 including a support shaft 31, a main rotating portion 34, and a sub rotating portion 35, and a driving body 50 that is in contact with the main rotating portion 34 and the sub rotating portion 35 and that supplies a rotational force to the main rotating portion 34 and the sub rotating portion 35 are provided, wherein the main rotating portion 34 and the sub rotating portion 35 are attached along the support shaft 31 and are rotatable independently of each other around the support shaft 31, the sub rotating portion 35 is not configured to contact an object to be conveyed but the main rotating portion 34 is configured to contact the object to be conveyed and bias the object to be conveyed, the driving body 50 is rotated by power around a rotation shaft 51 in a direction intersecting with the support shaft 31, the support shaft 31 is configured to change an orientation of the support shaft 31 by rotating around the rotation shaft 51, and the driving body 50 is in contact with the main rotat
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: March 15, 2022
    Assignee: Itoh Denki Co., Ltd.
    Inventors: Kazuo Itoh, Tatsuhiko Nakamura, Koji Ueda, Takuya Nagasawa
  • Publication number: 20220034335
    Abstract: Provided is a hydraulic drive apparatus including a specific working actuator making a working arm perform a traveling assist motion upon the slip, first and second traveling motors, first and second hydraulic pumps, a traveling selector valve switchable to a neutral position and a straight traveling position, a communication throttle portion between a working fluid passage and a traveling fluid passage in the straight traveling position, and a switching control part switching the traveling selector valve to the neutral position when a single operation action is performed and to the straight traveling position when a specific combined operation action including a forward traveling operation and the specific working operation is performed. The switching control section adjusts the opening of the communication throttle section to decrease the flow rate therethrough with an increase in the difference between the first and second pump pressures.
    Type: Application
    Filed: September 2, 2019
    Publication date: February 3, 2022
    Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventor: Koji UEDA
  • Publication number: 20210278410
    Abstract: Provided is a test method for identifying prostate cancer by analyzing a sugar chain modifying PSA in a specimen, and detecting an abundance of a multisialylated LacdiNAc structure, in particular Glycan ID: 7512, Glycan ID: 7603, Glycan ID: 7612, and/or Glycan ID: 7613. Furthermore, calculation of PSA G-index from relative abundance(s) of Glycan ID: 7512 and/or Glycan ID: 7603 enables detection of prostate cancer with good specificity even in a patient having a PSA value in a gray zone.
    Type: Application
    Filed: July 5, 2019
    Publication date: September 9, 2021
    Inventors: Koji Ueda, Yoshimi Haga
  • Patent number: 11078645
    Abstract: An opening and closing motion control section controls an optional control valve so as to reduce opening degree of the optional control valve in a case where a first opening reduction condition is satisfied that a slewing operation detection section detects an operation amount equal to or more than a reference operation amount set in advance so that the reference operation amount is larger than a minimum operation amount of a slewing operation member for causing slewing motion of an upper slewing body and that an optional operation detection section detects operation received by an optional operation member.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: August 3, 2021
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Natsuki Yumoto, Koji Ueda
  • Patent number: 11060261
    Abstract: A slewing hydraulic work machine includes a slewing control device performing a slewing control in accordance with an applied slewing command operation, a boom control device performing a boom-raising control in accordance with an applied boom-raising command operation, a boom angle detector, and a capacity control section. The capacity control section calculates a command motor capacity based on a boom angle, generates a capacity command signal corresponding to the command motor capacity and inputs the signal to a slewing motor. During the performance of slewing and boom-raising operation, the capacity control section sets the command motor capacity to a value equal to or less than a base capacity when the boom angle is equal to or less than a slewing priority angle and sets the command motor capacity to a value greater than the base capacity when the boom angle is greater than the slewing priority angle.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: July 13, 2021
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventor: Koji Ueda
  • Patent number: 11018665
    Abstract: An electronic control device includes a first pull-up resistor connected between a power supply and a switch, a series circuit of a transistor and a second pull-up resistor with a resistance value lower than that of the first pull-up resistor, connected in parallel with the first pull-up resistor, and a microcomputer, an output port of which is connected to a base terminal of the transistor and which controls a turning on and off of the transistor using a signal output from the output port. A connection point of the switch, the first pull-up resistor, and the second pull-up resistor is connected to a first analog measurement port of the microcomputer, a power supply is connected to a second analog measurement port of the microcomputer, and current flowing into the switch is detected using a value of voltage input into the first analog measurement port.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: May 25, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koji Ueda, Hiroshi Mizukami, Hisanori Nobe, Yoshiyuki Sera, Tom Ikeda