Patents by Inventor Yuichi Kobayashi

Yuichi Kobayashi 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: 20250102471
    Abstract: An ultrasonic phased array inspection device includes flexible plates, array probes, and a connection body. The flexible plates extend along an inner circumferential surface of a tube. The array probes are disposed on the flexible plates and send and receive an ultrasonic wave based on the phased array technique. The array probes have a set of a predetermined number of piezoelectric elements arranged in the inner circumferential direction of the tube. The connection body is connected to the flexible plates. The connection body has pulled parts that are pulled in the axial direction of the tube as force receiving parts that receive a force to make the connection body move in the axial direction of the tube.
    Type: Application
    Filed: November 29, 2022
    Publication date: March 27, 2025
    Inventors: Kaoru SHINODA, Yuichi KOBAYASHI, Takeru KATAYAMA, Masamitsu ABE, Joichi MURAKAMI, Naoto SHINMURA, Hiroyuki MARUYAMA
  • Publication number: 20240427329
    Abstract: In automatic watercraft piloting system, a control unit computes a plurality of first routes from a current position to a target position that avoid any obstacle that may exist between the current position and the target position, computes a second route for each of the first routes that the watercraft is predicted to travel when the propulsion device and the steering device are controlled by the control unit so as to follow the particular first route under an interference identified by an obstacle identification device, select one of the second routes that brings the watercraft to a spot nearest to the target position as an optimum route, and control the propulsion device and the steering device so as to cause the watercraft to progress along the first route that corresponds to the optimum route in absence of the interference.
    Type: Application
    Filed: June 26, 2023
    Publication date: December 26, 2024
    Inventors: Yosuke YAMAMOTO, Daisuke NOJIRI, Yuichi KOBAYASHI
  • Publication number: 20240308558
    Abstract: An operation plan change assistance system includes a determination model generation unit configured to generate an operation plan change determination model that receives information about a train operation content before a certain point in time and information about a change in an operation plan executed before the point in time and outputs information about a change in operation plan to be executed next; and an operation plan change proposal creation unit configured to input information about a train operation content before a point in time designated by a user and information about a change in an operation plan executed before the designated point in time, create change candidates that are candidates for each change in an operation plan to be executed in stages after the designated point in time, specify a change candidate that satisfies a predetermined condition, and create the specified change candidate as an operation plan change proposal.
    Type: Application
    Filed: April 28, 2022
    Publication date: September 19, 2024
    Inventors: Yuko YAMASHITA, Yuichi KOBAYASHI, Tsuyoshi MINAKAWA, Yasuhide MORI, Yumiko ISHIDO, Kazumasa TOKUHASHI, Atsushi TOYAMA, Hirotake YOSHIDA
  • Publication number: 20240241700
    Abstract: A schedule optimization system capable of easily solving a complicated optimization problem without using past assets is developed. A storage unit 120 includes an optimization problem description table indicating an optimization problem for drafting a schedule in a schedule optimization system 300, a scheduled data table indicating a value of a constant being a fixed element in the optimization problem, and a template as a pattern of a source code of the schedule optimization system. A processing unit 130 generates the source code of the schedule optimization system by inserting information based on the optimization problem description table and the scheduled data table into the template.
    Type: Application
    Filed: September 14, 2023
    Publication date: July 18, 2024
    Inventors: Fumito TAGASHIRA, Yui OGURA, Yuichi KOBAYASHI, Keitaro UEHARA
  • Patent number: 11893528
    Abstract: A logistics operation optimization apparatus computes, for each operation process, a deviation degree between turns of articles of overall optimum proposals indicated by an overall optimum proposal list and turns of the articles in each operation process, estimation operation time, and an error of the estimation operation time from the overall optimum proposal, and the number of combinations of turns that are defaulted from an overall optimum plan indicated by an overall optimum plan list in the past, evaluates the overall optimum proposal according to an evaluation expression of a weighted linear sum including the deviation degree, the estimation operation time, and the error of the estimation operation time from the overall optimum proposal, and the number of combinations of the turns that are defaulted, and creates an overall optimum plan list of the best overall optimum plan, from the overall optimum proposals indicated by the overall optimum proposal list.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: February 6, 2024
    Assignee: HITACHI, LTD.
    Inventors: Kaori Nakagawa, Yuichi Kobayashi, Yui Kazawa, Tatsuhiro Sato
  • Publication number: 20240028982
    Abstract: Allowable constraint relaxation is achieved even when it is difficult to identify a constraint satisfaction solution. A production plan making device 1 that makes a plan related to a task has a production history DB2 that stores history information in the task, a past history reading unit 13 that reads the history information, a constraint relaxation unit 12 that identifies a deviation degree indicating a position relationship related to the constraint boundary of a constraint in making the plan of a history represented by the history information, calculates a weight indicating the degree of the constraint for constraint relaxation according to the deviation degree, and relaxes the weight when the plan cannot be made by an optimization process based on the weight, and a mathematical optimization unit 11 that makes the plan by the optimization process on the basis of the relaxed weight.
    Type: Application
    Filed: March 6, 2023
    Publication date: January 25, 2024
    Inventors: Yoshiyasu TAKAHASHI, Yuichi KOBAYASHI, Keitaro UEHARA, Tsukasa EIRAKU
  • Publication number: 20230298054
    Abstract: It is determined whether it is necessary to change departure time of a connection destination vehicle at a connection station based on transfer failure location information and a searching result of an alternative route searching unit.
    Type: Application
    Filed: February 22, 2022
    Publication date: September 21, 2023
    Inventors: Yui KAZAWA, Yuichi KOBAYASHI, Kaori NAKAGAWA
  • Publication number: 20230281532
    Abstract: Provided is a service plan change assistance apparatus (110) including: a storage apparatus (13) that stores a decision model in which a service status of each of a delayed train and a to-be-delayed train to be delayed due to the delayed train and train service plan change content for recovering a delay of the to-be-delayed train are associated with each other, in association with a station at which the to-be-delayed train is delayed due to the delayed train; and an arithmetic apparatus (11) that estimates a future train service status based on a train service plan and a train service record before a current time, identifies, from the estimated train service status, the station at which the to-be-delayed train to be delayed due to the delayed train is standing, inputs information on the estimated train service status to a decision model associated with the identified station to create a service plan change proposal that includes information indicating train service change content for recovering the delay of t
    Type: Application
    Filed: August 25, 2021
    Publication date: September 7, 2023
    Inventors: Tsuyoshi MINAKAWA, Yuki MAEKAWA, Ryota UEMATSU, Yuko YAMASHITA, Yumiko ISHIDO, Yuichi KOBAYASHI
  • Patent number: 11642791
    Abstract: An autonomous mobile robot includes a first arithmetic unit configured to calculate a course direction based on an own position, a moving-object position, and a moving-object velocity vector, the course direction being a direction in which the autonomous mobile robot should travel, a second arithmetic unit configured to input the own position, the moving-object position, the moving-object velocity vector, and the course direction into a trained model and thereby calculate an estimated position, the trained model being a model that has been trained, the estimated position being a position at which the autonomous mobile robot is estimated to arrive a predetermined time later without colliding with the moving object, a generating unit configured to generate a remaining route from the estimated position to a destination, and a movement control unit configured to control a movement to the destination based on the course direction and the remaining route.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: May 9, 2023
    Assignees: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION IWATE UNIVERSITY, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuichi Kobayashi, Takeshi Sugimoto, Chyon Hae Kim, Kazuhito Tanaka
  • Publication number: 20230033597
    Abstract: Provided is a technology of facilitating coordination of an overall plan by making it possible to draft an operation plan that is easily acceptable to other planning subjects. A system includes a draft plan creating device that creates a plurality of draft plans satisfying a given constraint condition, an evaluation device that evaluates each of the draft plans with a first algorithm and generates a self-evaluation value, an evaluation estimating device that evaluates each of the draft plans with a second algorithm different from the first algorithm and generates an estimated cooperation partner's evaluation value, and a cooperation partner's rate computing device that computes a rate indicating the weight of the estimated cooperation partner's evaluation value. In the system, the plurality of draft plans are evaluated on the basis of an objective function that is calculated from the self-evaluation value, the estimated cooperation partner's evaluation value, and the rate.
    Type: Application
    Filed: December 29, 2020
    Publication date: February 2, 2023
    Inventors: Yumiko ISHIDO, Yuichi KOBAYASHI
  • Publication number: 20230027009
    Abstract: A logistics operation optimization apparatus computes, for each operation process, a deviation degree between turns of articles of overall optimum proposals indicated by an overall optimum proposal list and turns of the articles in each operation process, estimation operation time, and an error of the estimation operation time from the overall optimum proposal, and the number of combinations of turns that are defaulted from an overall optimum plan indicated by an overall optimum plan list in the past, evaluates the overall optimum proposal according to an evaluation expression of a weighted linear sum including the deviation degree, the estimation operation time, and the error of the estimation operation time from the overall optimum proposal, and the number of combinations of the turns that are defaulted, and creates an overall optimum plan list of the best overall optimum plan, from the overall optimum proposals indicated by the overall optimum proposal list.
    Type: Application
    Filed: February 15, 2022
    Publication date: January 26, 2023
    Applicant: Hitachi, Ltd.
    Inventors: Kaori NAKAGAWA, Yuichi KOBAYASHI, Yui KAZAWA, Tatsuhiro SATO
  • Publication number: 20220414582
    Abstract: A schedule change apparatus includes a change model creation section, a schedule creation section, a schedule change evaluation indicator creation section, a production simulator, and a control section. The change model creation section creates a change model estimating a portion of the schedule to be changed. The schedule creation section uses the schedule change model to generate proposed schedule changes and generate a proposed alternative schedule. The schedule change evaluation section generates a schedule change evaluation indicator indicating a best value for a proposed schedule change. The production simulator implements simulation with a simulation condition changed on a basis of schedule execution status information and equipment operation status information for the day and calculates values of the schedule change evaluation indicator for the proposed alternative schedule candidate group on a basis of the schedule change evaluation indicator already learned.
    Type: Application
    Filed: February 24, 2022
    Publication date: December 29, 2022
    Applicant: Hitachi, Ltd.
    Inventors: Yumiko ISHIDO, Yuichi KOBAYASHI, Yuko YAMASHITA
  • Publication number: 20220335351
    Abstract: Provided is a resource operation planning assistance apparatus for automatically generating a change tendency from a past resource operation planning change history, using the change tendency to generate a solution proposal to an inconsistency in a resource operation planning, and presenting the solution proposal together with a priority order. The resource operation planning assistance apparatus includes: a schedule candidate creation unit configured to create a schedule candidate of each resource; a history learning unit configured to learn an operation planning history in advance to generate a schedule change rule; a schedule candidate list creation unit configured to create a schedule candidate list for an operation planning target resource; a planning creation unit configured to create, with respect to at least one violation included in an operation planning, an operation planning for solving the violation; and an operation change content display unit.
    Type: Application
    Filed: September 3, 2020
    Publication date: October 20, 2022
    Inventors: Yuko YAMASHITA, Yuichi KOBAYASHI, Yuki MAEKAWA, Yui KAZAWA, Kenichiro OKADA, Yoshimi KODERA, Maiko TAKAHASHI
  • Publication number: 20220169576
    Abstract: A novel heat shielding material made of an inorganic material is proposed. A heat shielding material made of an inorganic material, including: a base material; a underlayer layered on the base material; and a top layer layered on the underlayer, wherein the top layer has a thickness such that the underlayer is not visually recognizable, and transmits infrared rays, and the underlayer includes a commingled between a material of the underlayer and a material of the top layer, and a main reflection region where the material of the top layer is not present. By a suitable combination of the top layer and the underlayer, a high solar reflectance (TSR) exceeding 30% can be obtained even at an L* of 40 or less.
    Type: Application
    Filed: November 17, 2020
    Publication date: June 2, 2022
    Inventors: Junichi KAWANO, Yuichi KOBAYASHI
  • Publication number: 20210231821
    Abstract: An apparatus for simultaneous logging presenting a capability to perform multipole sonic and acoustic reflection surveys for near-borehole and far field imaging.
    Type: Application
    Filed: January 28, 2020
    Publication date: July 29, 2021
    Inventors: Toshihiro Kinoshita, Hiroshi Nakajima, Takeshi Endo, Yuichi Kobayashi, Takeshi Fukushima
  • Publication number: 20210125130
    Abstract: A plan generator uses plan requirement data read from a storage device and modification know-how data read from the storage device to determine a decision variable for a new plan so that the new plan satisfies a constraint and an objective function and is aligned with any of groups included in the modification know-how data. The modification know-how data includes a plurality of groups for which an anti-pattern indicating trends of job patterns of a plurality of plans before modification, a reference pattern indicating trends of job patterns of a plurality of plans after modification that have been obtained by modifying the plans before the modification by a planner, and a modification rate that is a statistical amount of the plan-related information and the decision variables of the plurality of plans before the modification, have been obtained.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 29, 2021
    Inventors: Yuichi KOBAYASHI, Yasuharu NAMBA
  • Publication number: 20210101293
    Abstract: An autonomous mobile robot includes a first arithmetic unit configured to calculate a course direction based on an own position, a moving-object position, and a moving-object velocity vector, the course direction being a direction in which the autonomous mobile robot should travel, a second arithmetic unit configured to input the own position, the moving-object position, the moving-object velocity vector, and the course direction into a trained model and thereby calculate an estimated position, the trained model being a model that has been trained, the estimated position being a position at which the autonomous mobile robot is estimated to arrive a predetermined time later without colliding with the moving object, a generating unit configured to generate a remaining route from the estimated position to a destination, and a movement control unit configured to control a movement to the destination based on the course direction and the remaining route.
    Type: Application
    Filed: October 6, 2020
    Publication date: April 8, 2021
    Applicants: Toyota Jidosha Kabushiki Kaisha, National University Corporation Shizuoka University, National University Corporation Iwate University
    Inventors: Yuichi Kobayashi, Takeshi Sugimoto, Chyon Hae Kim, Kazuhito Tanaka
  • Patent number: 10851464
    Abstract: According to the method for producing chromium plated parts, a plurality of workpieces are immersed in a chromium plating bath, a plating treatment is performed by using a pulse current, and chromium plating layers that have compressive residual stress and suppressed cracking are deposited on surfaces of the plurality of workpieces. A direct current from plating separation lower limit current density up to a range in which the chromium plating layers have compressive residual stress is superimposed during downtime of application of the pulse current.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: December 1, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Yuichi Kobayashi, Kiyokazu Nakane
  • Publication number: 20200370192
    Abstract: According to the method for producing chromium plated parts, a plurality of workpieces are immersed in a chromium plating bath, a plating treatment is performed by using a pulse current, and chromium plating layers that have compressive residual stress and suppressed cracking are deposited on surfaces of the plurality of workpieces. A direct current from plating separation lower limit current density up to a range in which the chromium plating layers have compressive residual stress is superimposed during downtime of application of the pulse current.
    Type: Application
    Filed: May 10, 2016
    Publication date: November 26, 2020
    Inventors: Yuichi KOBAYASHI, Kiyokazu NAKANE
  • Publication number: 20200374613
    Abstract: A loudspeaker including: a magnetic circuit, a voice coil, a vibration plate, a housing, and a magnetic fluid disposed between a plate and the voice coil in a magnetic gap. The magnetic circuit includes a first flow path which passes from a vibration plate side to a rear surface. The housing includes a second flow path which extends the first flow path, and a third flow path which passes through from the vibration plate side to the second flow path. A proportion of a second area to a first area matches with a proportion of an outer area to an inner area, which is an area of the vibration plate corresponding to an inner side with respect to the voice coil.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 26, 2020
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shuji Saiki, Yuji Matsuo, Kazuyuki Kosuda, Yuichi Kobayashi, Yasuhiro Makino