Patents by Inventor Takuma Nishimura

Takuma Nishimura 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: 20200090424
    Abstract: An inspection target reading device includes a wireless slave station that performs communication via a wireless network, a measurement unit that measures a state of an inspection target, and an analysis unit that generates measurement data, and transmits the measurement data from the wireless slave station via the wireless network.
    Type: Application
    Filed: April 17, 2018
    Publication date: March 19, 2020
    Inventors: Jumpei HONDA, Takuma NISHIMURA, Hiroshige KASHIWABARA, Hidemasa NAKAI, Yuichi IGARASHI, Ryo NAKANO
  • Publication number: 20200065488
    Abstract: A virus detection system uses a USB relay device that can support not only the use of USB mass storage but also the use of other USB devices such as a mouse. The USB relay device has a connection switching unit for switching a connection state between a first connector unit to which a USB client is connected and a second connector unit connected to a USB host controller. The virus detection system includes a virus check engine unit that performs a virus check of a file acquired from the USB client or the USB host controller via the USB relay device. On the basis of a result of the check by the virus check engine unit, the USB relay device performs switching control of the connection state by the connection switching unit.
    Type: Application
    Filed: January 15, 2018
    Publication date: February 27, 2020
    Inventors: Kei TAKEZAWA, Takuma NISHIMURA, Hideki TONOOKA
  • Patent number: 10550548
    Abstract: A wheel loader includes a forward clutch, an accelerator pedal, a brake pedal, and a controller configured to control hydraulic pressure of hydraulic oil supplied to the forward clutch. The controller performs clutch hydraulic pressure control for reducing the hydraulic pressure of the hydraulic oil supplied to the forward clutch according to an operation amount of the brake pedal on condition that at least the brake pedal is operated while the accelerator pedal is being operated. The controller continues the clutch hydraulic pressure control even after the clutch shifts from a complete engagement state to a semi-engagement state by the clutch hydraulic pressure control.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: February 4, 2020
    Assignee: KOMATSU LTD.
    Inventors: Ryota Enomoto, Masanori Ikari, Kentaro Yajima, Takuma Nishimura
  • Patent number: 10509397
    Abstract: To perform reinforcement learning that enables selecting action information for shortening a cycle time while also avoiding the occurrence of overheating.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: December 17, 2019
    Assignee: FANUC CORPORATION
    Inventors: Zheng Tong, Takuma Nishimura, Yuuzou Inaguchi
  • Patent number: 10433182
    Abstract: A network management device manages a wireless multi-hop network; a network configuration management unit that manages communication quality information between wireless devices and between the wireless devices and the gateway; a repeater necessity determination unit that determines whether to add a repeater for each of the wireless devices based on the communication quality information and selects the wireless device that is required to add the repeater based on a determination result; an access point determination unit determines access points for securing a predetermined communication quality for the wireless device selected; and a repeater placement determination unit that determines whether there is a repeater installation location indicating an installation range of the repeater for relaying the wireless device selected and the access point selected by the access point determination unit based on a communication range of the wireless device selected and a communication range of the access point selected
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: October 1, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Ryo Nakano, Takuma Nishimura, Hirotaka Moribe, Shinichi Tsunoo
  • Patent number: 10432424
    Abstract: A ring network system is a ring network system in which a plurality of nodes including a blocking node that blocks transfer of a predetermined frame are connected in a ring shape, and when, any one of the plurality of nodes detects a change in a link state with an adjacent node, the node detecting the change transmits a collision frame for inquiring a collision of a blocking node to a current blocking node, and in accordance with a response from the current blocking node, a determination is made which of the nodes is to be a new blocking node, and in a case where the link state with the adjacent node has a higher priority level of blocking than a link state between the current blocking nodes, the node having detected the change transmits a collision frame for inquiring a collision of the blocking node.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: October 1, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Hidemasa Nakai, Hiroshige Kashiwabara, Hironori Adachi, Atsushi Tanji, Takuma Nishimura
  • Publication number: 20190278730
    Abstract: A USB management system using a USB relay device includes a management terminal having a management database for recording management information of a USB client registered in advance. The USB relay device has a connection switching unit for switching a connection state between a first connector portion to which the USB client is connected and a second connector portion which is connected to a USB host controller. When the USB client is connected to the first connector portion, the USB relay device reads management information of the USB client and transmits the management information to the management terminal, and the management terminal inquires of the management database about the management information of the USB client transmitted from the USB relay device, compares the management information with the management information of the USB client registered in advance, and determines the connection state by the connection switching unit.
    Type: Application
    Filed: January 15, 2018
    Publication date: September 12, 2019
    Inventors: Kei TAKEZAWA, Takuma NISHIMURA, Hideki TONOOKA
  • Publication number: 20190279498
    Abstract: An automatic inspection system, which includes a wireless slave device having a reading device that acquires a physical quantity to be inspected and a wireless master device that receives measurement data of the physical quantity from the wireless slave device, is provided with a data collection device that collects the measurement data from the wireless slave device via the wireless master device in a constant cycle and detects a time zone in which the measurement data is non-acquirable by the reading device based on a result of the collection. The wireless master device performs control to avoid the wireless slave device from re-acquisition of the measurement data in the non-acquirable time zone based on a result of the detection of the non-acquirable time zone.
    Type: Application
    Filed: November 6, 2017
    Publication date: September 12, 2019
    Inventors: Jumpei HONDA, Takuma NISHIMURA, Yoshimi FUJIMATA, Hiroshige KASHIWABARA
  • Publication number: 20190261191
    Abstract: A network management device manages a wireless multi-hop network; a network configuration management unit that manages communication quality information between wireless devices and between the wireless devices and the gateway; a repeater necessity determination unit that determines whether to add a repeater for each of the wireless devices based on the communication quality information and selects the wireless device that is required to add the repeater based on a determination result; an access point determination unit determines access points for securing a predetermined communication quality for the wireless device selected; and a repeater placement determination unit that determines whether there is a repeater installation location indicating an installation range of the repeater for relaying the wireless device selected and the access point selected by the access point determination unit based on a communication range of the wireless device selected and a communication range of the access point selected
    Type: Application
    Filed: March 21, 2017
    Publication date: August 22, 2019
    Applicant: Hitachi, Ltd.
    Inventors: Ryo NAKANO, Takuma NISHIMURA, Hirotaka MORIBE, Shinichi TSUNOO
  • Patent number: 10359742
    Abstract: A learning model is constructed for adjusting control information so that a cycle time becomes shorter while also avoiding the occurrence of overheating. A learning model construction device includes: an input data acquisition means that acquires, as input data, control information including a combination of an operation pattern of a spindle and parameters related to machining in a machine tool, and temperature information of the spindle prior to performing the machining based on the control information; a label acquisition means for acquiring temperature information of the spindle after having performed the machining based on the control information as a label; and a learning model construction means for constructing a learning model for temperature information of the spindle after having performed machining based on the control information, by performing supervised learning with a group of the input data and the label as training data.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: July 23, 2019
    Assignee: FANUC CORPORATION
    Inventors: Zheng Tong, Takuma Nishimura, Yuuzou Inaguchi
  • Publication number: 20190157735
    Abstract: A substrate is used as one tube wall of a hollow waveguide, the substrate including a strip line wired in an inner layer, a first ground surface formed on a front surface, and a second ground surface formed on a part of a back surface. As a result of such a configuration, a waveguide strip line transducer having the same dimension as the external dimension of the hollow waveguide can be obtained.
    Type: Application
    Filed: June 5, 2017
    Publication date: May 23, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Motomi WATANABE, Shinji ARAI, Tomohiro TAKAHASHI, Takeshi OSHIMA, Takeshi YUASA, Takuma NISHIMURA, Hidenori YUKAWA
  • Publication number: 20190123986
    Abstract: A data collection apparatus collecting data from a terminal device connected through a communication path, comprising a schedule managing unit determining a schedule transmitting a data acquisition request to the terminal device according to managed timing data, a transmission amount adjusting unit adjusting a transmission amount of the data acquisition request, and a collected data managing unit managing the data collected from the terminal device, in which the schedule managing unit manages a start point time that is a time at which a data collection from each terminal device starts, a collection period that is an interval of the data collection from each terminal device, a retransmission interval that is a time until the data acquisition request is retransmitted when the data collection from the terminal device fails, and a retransmission number that is the number of times to retransmit the data acquisition request as the timing data.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 25, 2019
    Applicant: HITACHI, LTD.
    Inventors: Yuichi Igarashi, Ryo Nakano, Jumpei Honda, Hiroshige Kashiwabara, Takuma Nishimura
  • Publication number: 20190112788
    Abstract: A wheel loader includes a forward clutch, an accelerator pedal, a brake pedal, and a controller configured to control hydraulic pressure of hydraulic oil supplied to the forward clutch. The controller performs clutch hydraulic pressure control for reducing the hydraulic pressure of the hydraulic oil supplied to the forward clutch according to an operation amount of the brake pedal on condition that at least the brake pedal is operated while the accelerator pedal is being operated. The controller continues the clutch hydraulic pressure control even after the clutch shifts from a complete engagement state to a semi-engagement state by the clutch hydraulic pressure control.
    Type: Application
    Filed: August 10, 2017
    Publication date: April 18, 2019
    Applicant: KOMATSU LTD.
    Inventors: Ryota ENOMOTO, Masanori IKARI, Kentaro YAJIMA, Takuma NISHIMURA
  • Publication number: 20190039577
    Abstract: A work vehicle includes a target speed setting unit configured to set a desired target speed, a travel speed detecting unit configured to detect a travel speed of a vehicle body, an engine, a work implement attached to the vehicle body and driven by an output of the engine, a travel device, a brake disposed between the travel device and the engine and configured to brake the travel device, a clutch disposed between the engine and the brake and configured to transmit or interrupt power from the engine to the travel device, and a controller configured to reduce a difference between the travel speed and the target speed by controlling an engagement pressure of the clutch and an engagement pressure of the brake.
    Type: Application
    Filed: March 30, 2017
    Publication date: February 7, 2019
    Inventors: Takuma NISHIMURA, Manabu TSUDA, Eiji YAMAGUCHI, Ryota ENOMOTO
  • Publication number: 20180224808
    Abstract: A learning model is constructed for adjusting control information so that a cycle time becomes shorter while also avoiding the occurrence of overheating. A learning model construction device includes: an input data acquisition means that acquires, as input data, control information including a combination of an operation pattern of a spindle and parameters related to machining in a machine tool, and temperature information of the spindle prior to performing the machining based on the control information; a label acquisition means for acquiring temperature information of the spindle after having performed the machining based on the control information as a label; and a learning model construction means for constructing a learning model for temperature information of the spindle after having performed machining based on the control information, by performing supervised learning with a group of the input data and the label as training data.
    Type: Application
    Filed: January 29, 2018
    Publication date: August 9, 2018
    Inventors: Zheng TONG, Takuma NISHIMURA, Yuuzou INAGUCHI
  • Publication number: 20180210431
    Abstract: To perform reinforcement learning that enables selecting action information for shortening a cycle time while also avoiding the occurrence of overheating.
    Type: Application
    Filed: December 29, 2017
    Publication date: July 26, 2018
    Applicant: FANUC CORPORATION
    Inventors: Zheng TONG, Takuma NISHIMURA, Yuuzou INAGUCHI
  • Patent number: 10029339
    Abstract: A rotary table includes a clamping mechanism including a piston driven by operating fluid in a direction of either of clamping and unclamping a brake disc, and a biasing means fixed by a case and the piston to always bias the piston in a direction of either of clamping and unclamping the brake disc by a recovery force of elastic deformation.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: July 24, 2018
    Assignee: FANUC CORPORATION
    Inventor: Takuma Nishimura
  • Publication number: 20180135740
    Abstract: A lubricating apparatus includes a lubricating oil supplying member disposed to face a tip surface of an input shaft. An axial oil passage and a radial oil passage are formed inside the input shaft and allow an outer circumferential surface of the input shaft having outer spline teeth and the tip surface to communicate with each other. A first supplied oil passage and a second supplied oil passage are formed inside the lubricating oil supplying member, a lubricating oil supplied to the axial oil passage flowing through the first supplied oil passage and the second supplied oil passage. The first supplied oil passage is provided with an inflow port, the lubricating oil flowing into the first supplied oil passage through the inflow port. The inflow port is open to an outer circumferential surface of the lubricating oil supplying member in a radial direction of the input shaft.
    Type: Application
    Filed: November 12, 2015
    Publication date: May 17, 2018
    Applicant: KOMATSU LTD.
    Inventors: Osamu KODAMA, Takuma NISHIMURA, Kyousuke MORIGUCHI
  • Patent number: 9878412
    Abstract: A rotation table mounted on a machining table of a machine tool includes a clamping mechanism which is driven by air so as to clamp a rotation shaft, and an air purging pressure is applied into a casing so as to prevent a cutting fluid or foreign matter from intruding into the casing of the rotation table. Then, air discharged from the clamping mechanism does not pass through the casing, to which the air purging pressure is applied, and is discharged to the outside of the rotation table through a flow passage.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: January 30, 2018
    Assignee: FANUC CORPORATION
    Inventor: Takuma Nishimura
  • Patent number: 9811073
    Abstract: A machine tool includes a shaft load measuring unit measures a load of the main shaft motor. When a measured load of the main shaft motor exceeds a predetermined value, it is determined that a tool is brought into contact with a work. Detection and correction of thermal displacement of the main shaft are performed by comparing a reference time and a measured time for the tool to reach the work.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: November 7, 2017
    Assignee: FANUC CORPORATION
    Inventor: Takuma Nishimura