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).
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Patent number: 11642791Abstract: 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: GrantFiled: October 6, 2020Date of Patent: May 9, 2023Assignees: NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION IWATE UNIVERSITY, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuichi Kobayashi, Takeshi Sugimoto, Chyon Hae Kim, Kazuhito Tanaka
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Publication number: 20230033597Abstract: 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: ApplicationFiled: December 29, 2020Publication date: February 2, 2023Inventors: Yumiko ISHIDO, Yuichi KOBAYASHI
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Publication number: 20230027009Abstract: 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: ApplicationFiled: February 15, 2022Publication date: January 26, 2023Applicant: Hitachi, Ltd.Inventors: Kaori NAKAGAWA, Yuichi KOBAYASHI, Yui KAZAWA, Tatsuhiro SATO
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Publication number: 20220414582Abstract: 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: ApplicationFiled: February 24, 2022Publication date: December 29, 2022Applicant: Hitachi, Ltd.Inventors: Yumiko ISHIDO, Yuichi KOBAYASHI, Yuko YAMASHITA
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Publication number: 20220335351Abstract: 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: ApplicationFiled: September 3, 2020Publication date: October 20, 2022Inventors: Yuko YAMASHITA, Yuichi KOBAYASHI, Yuki MAEKAWA, Yui KAZAWA, Kenichiro OKADA, Yoshimi KODERA, Maiko TAKAHASHI
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Publication number: 20220169576Abstract: 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: ApplicationFiled: November 17, 2020Publication date: June 2, 2022Inventors: Junichi KAWANO, Yuichi KOBAYASHI
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Publication number: 20210231821Abstract: An apparatus for simultaneous logging presenting a capability to perform multipole sonic and acoustic reflection surveys for near-borehole and far field imaging.Type: ApplicationFiled: January 28, 2020Publication date: July 29, 2021Inventors: Toshihiro Kinoshita, Hiroshi Nakajima, Takeshi Endo, Yuichi Kobayashi, Takeshi Fukushima
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Publication number: 20210125130Abstract: 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: ApplicationFiled: October 15, 2020Publication date: April 29, 2021Inventors: Yuichi KOBAYASHI, Yasuharu NAMBA
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Publication number: 20210101293Abstract: 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: ApplicationFiled: October 6, 2020Publication date: April 8, 2021Applicants: Toyota Jidosha Kabushiki Kaisha, National University Corporation Shizuoka University, National University Corporation Iwate UniversityInventors: Yuichi Kobayashi, Takeshi Sugimoto, Chyon Hae Kim, Kazuhito Tanaka
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Patent number: 10851464Abstract: 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: GrantFiled: May 10, 2016Date of Patent: December 1, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yuichi Kobayashi, Kiyokazu Nakane
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Publication number: 20200374613Abstract: 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: ApplicationFiled: August 1, 2018Publication date: November 26, 2020Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Shuji Saiki, Yuji Matsuo, Kazuyuki Kosuda, Yuichi Kobayashi, Yasuhiro Makino
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Publication number: 20200370192Abstract: 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: ApplicationFiled: May 10, 2016Publication date: November 26, 2020Inventors: Yuichi KOBAYASHI, Kiyokazu NAKANE
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Publication number: 20200366996Abstract: A sound output device includes a loudspeaker including a diaphragm, a loudspeaker back space located behind the loudspeaker on a side opposite to a diaphragm, and a cable which is electrically connected to the loudspeaker and extends from the inside of the loudspeaker back space to the outside. The loudspeaker includes a diaphragm back space located in the back of the diaphragm on a side opposite to the sound radiating direction, and a sound hole having a first opening opened to the diaphragm back space and a second opening opened to the loudspeaker back space. When viewed from the first opening toward the second opening, the cable inside the loudspeaker back space is disposed outside the region of the sound hole.Type: ApplicationFiled: August 20, 2018Publication date: November 19, 2020Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kazuyuki Kosuda, Yuji Matsuo, Yuichi Kobayashi, Yasuhiro Makino
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Patent number: 10783469Abstract: In a production support system, process knowledge information is updated using machine learning on the basis of implementable process information, and implementable process information is output as a production plan of a product. Accordingly, production can be carried out considering factors, such as restart cost of facilities used in each of processes, for which skilled experience and knowledge are required with respect to the production of the product, and therefore the product can be produced effectively with low cost. Further, even when limitation conditions such as production capacity or quantity of a product exist for each of processes, suitable production can be carried out that satisfies these limitation conditions.Type: GrantFiled: October 27, 2017Date of Patent: September 22, 2020Assignee: HITACHI, LTD.Inventors: Jian Zheng, Yasuharu Namba, Yuichi Kobayashi, Yoshiyasu Takahashi
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Publication number: 20200267475Abstract: A loudspeaker (100) includes a magnetic circuit (110) having a magnetic gap (111); a voice coil body (120) disposed in the magnetic gap (111) in an inserted state; a diaphragm (130) to which the voice coil body (120) is attached; a frame (140) to which the outer circumferential, portion of the diaphragm (130) and the magnetic circuit (110) are attached; a vibration preventing member (150) including a viscoelastic body attached to the outer circumferential, portion of the diaphragm (130) in an annular shape; and a holding member (160) having an annular shape and sandwiching the outer circumferential portion of the diaphragm (130) and the vibration preventing member (150) between the frame (140) and the holding member.Type: ApplicationFiled: September 18, 2018Publication date: August 20, 2020Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kazuyuki Kosuda, Yuji Matsuo, Yuichi Kobayashi, Yasuhiro Makino
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Publication number: 20200213785Abstract: Included are a yoke, a magnet fixed to the yoke, a plate fixed to an end surface of the magnet opposite to an end surface to which the yoke is fixed, a voice coil disposed inside a magnetic gap formed by facing portions disposed in the yoke and the plate, respectively, to face each other, a vibration plate fixed to the voice coil, a holding member which holds the yoke and the vibration plate, and a magnetic fluid disposed between the facing portion of the plate and the voice coil. A coating containing a fluorine resin is formed on a surface of a portion contacting the magnetic fluid in at least one of the plate and the voice coil.Type: ApplicationFiled: August 1, 2018Publication date: July 2, 2020Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yuji Matsuo, Kazuyuki Kosuda, Yuichi Kobayashi, Yasuhiro Makino
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Publication number: 20190390150Abstract: Provided are: a biological reaction device that reduces stress and damage visited on microorganisms, etc., in a biological reaction, and enables a biological reaction in which microorganisms, etc., are used to be efficiently and economically performed; and a biological reaction method in which the biological reaction device is used. In order to reduce the stress and damage visited on microorganisms, etc., the amount per minute of a biological culture solution that is extracted from a culture tank and then returned to the culture tank after being admixed with micro-nano-bubbles is set as at least 1% to less than 48% of the biological culture solution accommodated in the culture tank, and the reduction in the dissolved oxygen concentration associated therewith is compensated for by setting the oxygen partial pressure of a gas phase in the upper part of the biological culture solution in the culture tank as at least 0.23 atm to less than 0.Type: ApplicationFiled: January 19, 2018Publication date: December 26, 2019Applicant: Mitsubishi Chemical Engineering CorporationInventors: Masamori HIGUCHI, Nobuhide KUNITOMO, Yuichi KOBAYASHI, Kazunori KUMADA, Nobuhiro TANAKA
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Publication number: 20190228360Abstract: To make it possible to plan and provide a new production schedule reflecting characteristics or tendencies appearing in production schedules planned in the past. A schedule planning section calculates, on the basis of history information concerning production schedules of products planned in the past, a schedule pattern including production order of the products while considering constraint conditions in producing the products, rearranges the production order of the products according to the calculated schedule pattern, and creates a plurality of schedule candidates concerning a production schedule of the products. A schedule evaluating section evaluates the plurality of schedule candidates on the basis of evaluation indicators corresponding to the constraint conditions, and selects a best production schedule out of the plurality of schedule candidates.Type: ApplicationFiled: November 28, 2017Publication date: July 25, 2019Inventors: Yoshiki AOYAMA, Yuichi KOBAYASHI
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Publication number: 20190220750Abstract: An action-value function initializing unit inputs search information including a history of a solution, a constraint equation, and an initial state of a selectable domain of a decision variable, sets a decision variable selected in each step and a value of the decision variable as a policy, and initializes an action-value function including the policy, a selectable domain of a decision variable before policy decision, and a selectable domain of a decision variable after the policy decision as parameters. A search unit receives information of the action-value function initialized by the action-value function initializing unit, obtains a value of a corresponding action-value function from the policy, the domain of the decision variable before the policy decision, and a domain of the action-value function after the policy decision, searches for a policy in which the action-value function is largest, and searches for an optimum solution for the problem information.Type: ApplicationFiled: October 10, 2018Publication date: July 18, 2019Applicant: HITACHI, LTD.Inventors: Yosuke FUJIWARA, Yoshiyasu TAKAHASHI, Yuichi KOBAYASHI, Tomoichi EBATA, Taichi ISHITOBI, Yasuharu NAMBA
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Patent number: 10244309Abstract: A speaker system includes an enclosure, a speaker unit, and an elastic sheet. The speaker unit is disposed in the enclosure. The elastic sheet includes a first fiber made of a resin and a second fiber made of a resin, and is disposed in the enclosure. The second fiber is thicker than the first fiber and entangled with the first fiber.Type: GrantFiled: June 24, 2015Date of Patent: March 26, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Yuichi Kobayashi