Patents by Inventor Hiroyuki Fukuda

Hiroyuki Fukuda 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: 20220018484
    Abstract: Systems and methods for determining positioning of a scanner moving along a section of a pipe, may include: an encoder and a counter measuring distance traveled by the scanner along a plurality of scan lines along a length of the section of the pipe; measuring acceleration and angular velocity of the scanner around a portion of the circumference of the pipe between successive scan lines; computing an angle of rotation of the scanner around the portion of the circumference of the pipe between successive scan lines, and determining a distance traveled around the portion of the circumference of the pipe between first and second scan lines using the computed angle of rotation. The process may further include determining a position of the device using the distance traveled measurements from the counter and the fusion circuit.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Inventors: Tao Zhang, Lichung Chu, Shinhaeng Lee, Hiroyuki Fukuda
  • Publication number: 20220018301
    Abstract: An injection control device for a fuel injection valve includes: a current detection unit of the fuel injection valve; a current area correction control unit that performs current area correction for an area correction amount of an energization time to equalize the integrated current value of the energization current profile and an integrated current value of the detected current; and an information correction unit that learns and stores a reference attainment time, from a start of energization to an attainment of each of the plurality of reference currents, in a storage unit, and corrects information related to the current area correction based on a difference between the reference attainment time and an actual attainment time from the start of energization to the attainment of each reference current.
    Type: Application
    Filed: July 14, 2021
    Publication date: January 20, 2022
    Inventors: Kosuke KATO, Hiroyuki FUKUDA, Yasumasa ISHIKAWA
  • Publication number: 20220016658
    Abstract: An injection control device for a fuel injection valve includes: a current detection unit; and a current area correction control unit that corrects, based on an energization current profile, an area correction amount of an energization time to equalize the integrated current value of the energization current profile and an integrated current value of the detected current, and obtains the integrated current value of the current based on an attainment time from a start of energization of the fuel injection valve to an attainment of each of a plurality of reference current values; a storage unit that stores a reference attainment time; and a reference current value correction unit that corrects each reference current value based on a difference between the reference attainment time and a detected attainment time at a time of actual drive.
    Type: Application
    Filed: July 14, 2021
    Publication date: January 20, 2022
    Inventors: Kosuke KATO, Hiroyuki FUKUDA, Yasumasa ISHIKAWA
  • Publication number: 20210404405
    Abstract: In a current-driving of a fuel injection valve to inject fuel through a single injection or a multi-stage injection, an energization time correction amount is calculated by performing area correction on a current flowing through the fuel injection valve. The single injection is switched to the multi-stage injection when the single injection is consecutively performed under a predetermined condition.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 30, 2021
    Inventors: Yuki KATO, Yohei SUGANUMA, Hiroyuki FUKUDA
  • Publication number: 20210404408
    Abstract: An injection control device includes: a drive control unit that controls energization by correcting an energization instruction time when injecting the fuel by executing the current-drive, and includes an energization time correction amount calculation unit that calculates an energization time correction amount by performing area correction on a current flowing through the fuel injection valve; an abnormality determination unit that determines an abnormality in a control system of the drive control unit; and a correction amount subtraction setting unit that stops a calculation of the energization time correction amount when the abnormality determination unit determines an abnormality, and controls the drive control unit to directly or stepwise reduce the energization time correction amount at an abnormality determination.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 30, 2021
    Inventors: KAZUMASA KANAI, YOHEI SUGANUMA, HIROYUKI FUKUDA
  • Publication number: 20210404407
    Abstract: An injection control device includes: an area correction unit that calculates an energization time correction amount when executing a current drive of the fuel injection valve to inject a fuel from the fuel injection valve; an estimation unit that independently calculates an estimated energization time correction amount; a comparison unit that compares the energization time correction amount c with the estimated energization time correction amount; and a first abnormality determination unit that determines that the energization time correction amount is abnormal.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 30, 2021
    Inventors: MAKOTO SHIRAKAWA, MASASHI INABA, HIROYUKI FUKUDA
  • Publication number: 20210372338
    Abstract: An injection control device includes: a conversion coefficient setter setting a conversion coefficient for each injection when a fuel injection valve is driven by an electric current to inject fuel from the fuel injection valve; and an area correction unit calculating an energization time correction amount by performing area correction using the conversion coefficient for each injection regardless of whether a drive current of the fuel injection valve has reached a target peak current or not.
    Type: Application
    Filed: May 26, 2021
    Publication date: December 2, 2021
    Inventors: Yohei SUGANUMA, Ryohei TAKAHASHI, Hiroyuki FUKUDA, Masashi INABA
  • Patent number: 11181066
    Abstract: An injection controller includes a control IC outputting an energization instruction signal to apply a peak current to a fuel injection valve (i.e., an instruction TQ), and a current monitor unit detecting an electric current flowing in the fuel injection valve. The control IC corrects an output OFF time of the energization instruction signal based on a difference between (i) an integrated current of an ideal current profile which serves as a target current before reaching the peak current and (ii) an integrated current of an energization current in the fuel injection valve detected by the current monitor unit (i.e., an effective TQ).
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 23, 2021
    Assignee: DENSO CORPORATION
    Inventors: Masashi Inaba, Hiroyuki Fukuda, Katsuya Minamijima
  • Patent number: 11119815
    Abstract: A management apparatus includes a memory; and a processor configured to: store configuration information and performance information for each of a plurality of information processing apparatuses acquired from a host OS executed by each of a plurality of groups to which the plurality of information processing apparatuses belong and each of which provides a given service into the memory for each of the plurality of groups, select, based on the configuration information and the performance information, a movement target virtual machine for each of the plurality of groups, when the movement target virtual machine is moved to the different group, determine whether a performance value of a service corresponding to the movement target virtual machine satisfies a reference value, and when it is determined that the performance value satisfies the reference value, determine to move the movement target virtual machine from the target group to the different group.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: September 14, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Shigeto Suzuki, Hiroyoshi Kodama, Satoshi Inano, Hiroyuki Fukuda
  • Patent number: 11044178
    Abstract: A data center management method executed by a computer that includes a first memory and a second memory, the method includes storing, in the second memory, a predicted value calculated based on measured values obtained as measurement data and differences each corresponding to the measurement data obtained a predetermined period ago; storing, in the first memory, the measurement data as the measured value; calculating, based on each of the stored measured values, an amount of change which is a difference between the measured value and the predicted value, and storing the calculated amount in the second memory; calculating first corrected prediction data based on the measured value currently measured and the measurement values previously measured; calculating second corrected prediction data based on previous amounts of change and the first corrected prediction data; and controlling the device using an operation amount calculated based on the second corrected prediction data.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: June 22, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Hiroshi Endo, Shigeto Suzuki, Hiroyoshi Kodama, Hiroyuki Fukuda
  • Publication number: 20210177704
    Abstract: The gastrostomy catheter includes a shaft in which a lumen is provided, a flexible bumper which is provided at a tip of the shaft, and a wire which has elasticity and can bias the bumper in a diameter-increasing direction and restricts deformation of the bumper in a diameter-decreasing direction. At least a portion on a tip side of the wire biases the bumper in the diameter-increasing direction or restricts the deformation of the bumper in the diameter-decreasing direction by the elasticity of the wire in a state in which the wire is disposed in the bumper.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 17, 2021
    Applicants: SUMITOMO BAKELITE CO., LTD.
    Inventors: Hiroyuki FUKUDA, Kiyotaka ARIKAWA, Minoru SUZUKI, Yutaka SUZUKI
  • Patent number: 11029218
    Abstract: A determination device includes: a memory; and a processor coupled to the memory and the processor configured to executes a process, the process comprising: generating a reference model of a sensor detection value; determining whether a time from a predetermined point in time until a deviation between the reference model and the sensor detection value exceeds a threshold is shorter than a predetermined time; and outputting a signal associated with an abnormality when the time is determined to be shorter.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: June 8, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Kazushi Uno, Takahiro Arioka, Takeo Kasajima, Hiroyuki Fukuda
  • Publication number: 20210087643
    Abstract: The invention is intended to provide a method for quenching a steel pipe, equipment for quenching a steel pipe, and a method of manufacturing a steel pipe that enable a steel pipe to be conveyed at high speed. The method for quenching a steel pipe includes the steps of: conveying a steel pipe onto a rotatable supporting member using a walking-arm type revolving conveyance apparatus; and rapidly cooling the steel pipe with first spray nozzles disposed above the pipe while the steel pipe is being rotated about a pipe axis of the steel pipe on the rotatable supporting member in a state where movements of the steel pipe in a direction parallel to and in a direction perpendicular to the pipe axis are stopped.
    Type: Application
    Filed: November 20, 2018
    Publication date: March 25, 2021
    Applicant: JFE Steel Corporation
    Inventors: Hiroyuki Fukuda, Hiroyuki Yamasaki, Yasuhiro Nagayama, Ryosuke Tachi, Shunsuke Sasaki
  • Patent number: 10912222
    Abstract: A cooling system includes: a cooling device; a pump coupled to the cooling device; and a waste heat device coupled to the cooling device, wherein the cooling device includes: a first refrigerant tank and a second refrigerant tank that each stores a first refrigerant that is output from the waste heat device and input to the waste heat device; and a liquid immersion tank sandwiched between the first refrigerant tank and the second refrigerant tank and configured to hold an electronic device in a second refrigerant that is output from the pump and input to the pump.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: February 2, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Satoshi Inano, Hiroyuki Fukuda, Minoru Ishinabe, Yukiko Wakino
  • Patent number: 10890176
    Abstract: A control device includes a plurality of sound reducing parts that is operated individually, when a predetermined condition for operation is met, at each of a plurality of timings when an operating sound is generated as a result of a movement of a valve body, in one open-and-close period, and that reduces the operating sound, at each of the plurality of the timings, by changing a period of energizing an electromagnetic part to an increase side relative to a normal time, an upper limit determination part that determines whether a required period of energizing the electromagnetic part in the one open-and-close period exceeds a predetermined upper limit value, when all the plurality of the sound reducing parts are operated, and a selectively operating part that selects and operates one or more of the plurality of the sound reducing parts to an extent that the required period of energizing does not exceed the upper limit value, when the upper limit determination part has determined that the required period of ene
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: January 12, 2021
    Assignee: DENSO CORPORATION
    Inventor: Hiroyuki Fukuda
  • Patent number: 10888032
    Abstract: An apparatus for liquid immersion cooling, the apparatus includes: a casing configured to be partly filled with a first coolant and immerse, in the first coolant, a heat generating component other than a first heat generating component in a plurality of heat generating component; a liquid cooling jacket provided in contact with the first heat generating component placed in the casing, and configured to cool the first heat generating component; a first cooling device configured to dissipate heat of a second coolant sent out from the liquid cooling jacket through a first pipe, thereby cooling the second coolant; and a first pump configured to send out the second coolant cooled by the first cooling device to the liquid cooling jacket through a second pipe.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: January 5, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Yukiko Wakino, Satoshi Inano, Hiroyuki Fukuda, Minoru Ishinabe
  • Patent number: 10871986
    Abstract: A migration management method includes referring to a performance deterioration rate of a specific virtual server when utilization of a virtual server other than the specific virtual server in virtual servers that work on a physical server is changed in a stepwise manner, and calculating a first index value relating to a load state of the physical server before the performance deterioration rate exceeds a threshold based on a number of virtual CPUs allocated to each of the virtual servers and utilization of the virtual CPUs; calculating a second index value relating to the load state based on the number of virtual CPUs and the utilization while the specific virtual server is activated on the physical server; and conducting migration to another physical server for a virtual server other than the specific virtual server in the virtual servers when the calculated second index value exceeds the calculated first index value.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: December 22, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Hiroyoshi Kodama, Shigeto Suzuki, Hiroyuki Fukuda, Kazumi Kojima
  • Patent number: 10775245
    Abstract: A temperature measurement device includes: a light source configured to input a light into an optical fiber; a detector configured to detect a Stokes component and an anti-Stokes component from a back scattering light from the optical fiber; a memory; and a processor configured to execute a process, the process comprising: in a predetermined region including a sample point of the optical fiber, calculating a range including the sample point in accordance with a largeness of a correlation between the Stokes component and the anti-Stokes component; smoothing the Stokes component and the anti-Stokes component in the range; and measuring a temperature of the sample point with use of the Stokes component and the anti-Stokes component that are smoothed by the corrector.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: September 15, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Kazushi Uno, Takeo Kasajima, Takahiro Arioka, Hiroyuki Fukuda
  • Publication number: 20200284214
    Abstract: An injection controller includes a control IC outputting an energization instruction signal to apply a peak current to a fuel injection valve (i.e., an instruction TQ), and a current monitor unit detecting an electric current flowing in the fuel injection valve. The control IC corrects an output OFF time of the energization instruction signal based on a difference between (i) an integrated current of an ideal current profile which serves as a target current before reaching the peak current and (ii) an integrated current of an energization current in the fuel injection valve detected by the current monitor unit (i.e., an effective TQ).
    Type: Application
    Filed: February 28, 2020
    Publication date: September 10, 2020
    Inventors: Masashi INABA, Hiroyuki FUKUDA, Katsuya MINAMIJIMA
  • Patent number: 10760682
    Abstract: A drive system is provided with a first motor generator as a power source, and a multistage gear transmission for changing the speed of output from the first motor generator and transmitting the output to drive wheels. The multistage gear transmission has a plurality of engagement clutches as shifting elements that are meshingly engaged upon movement from a disengaged position. This hybrid vehicle is provided with a start control device where, when a start clutch has been engaged while the vehicle is stopped, the start control device maintains the engagement of the start clutch for a duration that includes when the vehicle is stopped and until the next vehicle start.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: September 1, 2020
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Atsushi Tsukizaki, Masato Koga, Hiroyuki Fukuda, Ryohey Toyota