Patents by Inventor Kenichi Shimoyama
Kenichi Shimoyama 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: 11933745Abstract: According to an embodiment, an inspection apparatus includes a communication interface and a processor. The communication interface acquires package information regarding a package being conveyed by a sorter that sorts the package and an operation signal generated based on an operation of an operator. The processor outputs reference information, based on past history in which inspection-result information indicating whether or not the package is a regulated-article candidate, generated based on the operation signal, and the package information are associated together, and the package information newly acquired.Type: GrantFiled: March 1, 2021Date of Patent: March 19, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Yuka Watanabe, Takuma Akagi, Masanori Sato, Kenichi Shimoyama
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Patent number: 11879994Abstract: According to one embodiment, a data processing apparatus includes a data processing unit and an acquisition unit. The data processing unit is configured to perform data processing on measurement data according to a distance to a marker, the measurement data being obtained by a ranging sensor attached to a moving object and measuring the marker of which surface includes a pattern with different reflection characteristics. The acquisition unit is configured to acquire operation information of the moving object based on data obtained by the data processing.Type: GrantFiled: February 28, 2020Date of Patent: January 23, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Yusuke Ito, Kenichi Shimoyama
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Patent number: 11747424Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an MRI system and a processing circuitry. The MRI system includes a receiving coil to receive a magnetic resonance signal. The processing circuitry is configured to generate an image based on the magnetic resonance signal, the image including a plurality of pixels; calculate a feature value corresponding to a signal value of the pixel; correct the feature values based on a sensitivity of the receiving coil; and reduce noise in the image based on distribution of the corrected feature values.Type: GrantFiled: March 2, 2022Date of Patent: September 5, 2023Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Kenzo Isogawa, Toshiyuki Ono, Kenichi Shimoyama, Nobuyuki Matsumoto, Shuhei Nitta, Satoshi Kawata, Toshimitsu Kaneko, Mai Murashima
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Patent number: 11715229Abstract: A moving body includes processing circuitry. The processing circuitry is configured to collect an external image of the moving body from an external sensor and collect information associated with an inner state of the moving body from an internal sensor. The processing circuitry is configured to determine whether or not to adopt the external image collected by the external sensor as a first image for estimating a position of the moving body, based on the information associated with the inner state of the moving body collected by the internal sensor. The processing circuitry is configured to estimate a position of the moving body by comparing the first image and a second image associated with a collection position of the first image.Type: GrantFiled: August 31, 2020Date of Patent: August 1, 2023Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Takuya Miyamoto, Kenichi Shimoyama, Keiko Noguchi
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Publication number: 20230195843Abstract: A machine learning device includes an acquisition module, a first calculation module, a second calculation module, a learning module, and an output module. The acquisition module is configured to acquire observation information including information on a speed of a control target point at a control target time. The first calculation module is configured to calculate a reward for the observation information. The second calculation module is configured to calculate a corrected discount rate obtained by correcting a discount rate of the reward in accordance with a travel distance of the control target point. The learning module is configured to learn a control policy by reinforcement learning from the observation information, the reward, and the corrected discount rate. The output module is configured to output control information including information on speed control of the control target point that is determined in accordance with the observation information and the control policy.Type: ApplicationFiled: August 25, 2022Publication date: June 22, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Toshimitsu KANEKO, Kenichi SHIMOYAMA, Gaku MINAMOTO
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Patent number: 11662740Abstract: A position estimating apparatus includes a memory that stores a reference image, an interface circuit configured to communicate with a movable apparatus, and a processor. The processor is configured to, upon receipt of at least one image captured by the movable apparatus via the interface circuit, calculate an evaluation value for each of a plurality of regions of the image, and determine a current position of the movable apparatus by comparing the regions of the captured image where the calculated evaluation value exceeds a first threshold with the reference image.Type: GrantFiled: November 12, 2020Date of Patent: May 30, 2023Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi Shimoyama, Takuya Miyamoto
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Publication number: 20230150138Abstract: According to one embodiment, a picking system includes a picking robot and a control device. The picking robot transfers an object from a first space to a second space by using a robot hand. The control device controls the picking robot. When a first measurement result related to a shape of the object in the first space when viewed along a first direction is acquired, the control device performs a first calculation of calculating a position candidate for placing the object in the second space based on the first measurement result. When a second measurement result related to a shape of the object when viewed along a second direction is acquired, the control device performs a second calculation of calculating a position of the robot hand when placing the object in the second space based on the second measurement result and the position candidate.Type: ApplicationFiled: November 10, 2022Publication date: May 18, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshifumi OKA, Hirofumi KAWAI, Kenichi SHIMOYAMA, Seiji TOKURA, Akihito OGAWA
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Patent number: 11433542Abstract: According to one embodiments, a calibration detecting apparatus includes a generator, a setting unit, an acquisition unit, and a calculator. The generator generates location data indicating a group including a pair of two positions arranged respectively in two spaces. The setting unit sets an irradiation arrangement so that an irradiating device performs laser irradiation on a region including an end position of the end effector. The acquisition unit acquires observation data indicating whether or not the end effector is observed. The calculator calculates a change in an installed state of the irradiating device based on the observation data.Type: GrantFiled: February 27, 2020Date of Patent: September 6, 2022Assignee: Kabushiki Kaisha ToshibaInventor: Kenichi Shimoyama
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Publication number: 20220187402Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an MRI system and a processing circuitry. The MRI system includes a receiving coil to receive a magnetic resonance signal. The processing circuitry is configured to generate an image based on the magnetic resonance signal, the image including a plurality of pixels; calculate a feature value corresponding to a signal value of the pixel; correct the feature values based on a sensitivity of the receiving coil; and reduce noise in the image based on distribution of the corrected feature values.Type: ApplicationFiled: March 2, 2022Publication date: June 16, 2022Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Kenzo ISOGAWA, Toshiyuki ONO, Kenichi SHIMOYAMA, Nobuyuki MATSUMOTO, Shuhei NITTA, Satoshi KAWATA, Toshimitsu KANEKO, Mai MURASHIMA
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Publication number: 20220134545Abstract: An information processing device includes processing circuitry. The processing circuitry is configured to acquire one or more pieces of first state information representing a state of each of one or more second subjects related to a first subject to be a subject of inference at first time, and one or more pieces of second state information representing a state of each of the one or more second subjects at second time; and generate learning data for use in reinforcement learning of a machine learning model for use in inference. The learning data includes the first state information at least part of which is replaced with any of the one or more pieces of the second state information, and the second state information at least part of which is replaced with any of the one or more pieces of the first state information.Type: ApplicationFiled: August 30, 2021Publication date: May 5, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Toshimitsu KANEKO, Kenichi SHIMOYAMA, Tatsuya TANAKA
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Patent number: 11300646Abstract: A magnetic resonance imaging apparatus according to an embodiment includes an MRI system and a processing circuitry. The MRI system includes a receiving coil to receive a magnetic resonance signal. The processing circuitry is configured to generate an image based on the magnetic resonance signal, the image including a plurality of pixels; calculate a feature value corresponding to a signal value of the pixel; correct the feature values based on a sensitivity of the receiving coil; and reduce noise in the image based on distribution of the corrected feature values.Type: GrantFiled: November 9, 2015Date of Patent: April 12, 2022Assignee: CANON MEDICAL SYSTEMS CORPORATIONInventors: Kenzo Isogawa, Toshiyuki Ono, Kenichi Shimoyama, Nobuyuki Matsumoto, Shuhei Nitta, Satoshi Kawata, Toshimitsu Kaneko, Mai Murashima
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Publication number: 20210181124Abstract: According to an embodiment, an inspection apparatus includes a communication interface and a processor. The communication interface acquires package information regarding a package being conveyed by a sorter that sorts the package and an operation signal generated based on an operation of an operator. The processor outputs reference information, based on past history in which inspection-result information indicating whether or not the package is a regulated-article candidate, generated based on the operation signal, and the package information are associated together, and the package information newly acquired.Type: ApplicationFiled: March 1, 2021Publication date: June 17, 2021Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Yuka WATANABE, Takuma AKAGI, Masanori SATO, Kenichi SHIMOYAMA
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Publication number: 20210149412Abstract: A position estimating apparatus includes an interface circuit configured to communicate with a movable apparatus and a processor. The processor is configured to, upon receipt of sensor information from the movable apparatus, determine whether the sensor information is suitable for determining a current position of the movable apparatus, upon determining that the sensor information is suitable, determine the current position of the movable apparatus using the sensor information, and upon determining that the sensor information is not suitable, control the interface circuit to transmit a signal to the movable apparatus, which causes the movable apparatus to adjust one of a position and a posture thereof.Type: ApplicationFiled: November 12, 2020Publication date: May 20, 2021Inventors: Kenichi SHIMOYAMA, Takuya MIYAMOTO
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Publication number: 20210150758Abstract: A position estimating apparatus includes a memory that stores a reference image, an interface circuit configured to communicate with a movable apparatus, and a processor. The processor is configured to, upon receipt of at least one image captured by the movable apparatus via the interface circuit, calculate an evaluation value for each of a plurality of regions of the image, and determine a current position of the movable apparatus by comparing the regions of the captured image where the calculated evaluation value exceeds a first threshold with the reference image.Type: ApplicationFiled: November 12, 2020Publication date: May 20, 2021Inventors: Kenichi SHIMOYAMA, Takuya MIYAMOTO
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Publication number: 20210150750Abstract: A moving body includes processing circuitry. The processing circuitry is configured to collect an external image of the moving body from an external sensor and collect information associated with an inner state of the moving body from an internal sensor. The processing circuitry is configured to determine whether or not to adopt the external image collected by the external sensor as a first image for estimating a position of the moving body, based on the information associated with the inner state of the moving body collected by the internal sensor. The processing circuitry is configured to estimate a position of the moving body by comparing the first image and a second image associated with a collection position of the first image.Type: ApplicationFiled: August 31, 2020Publication date: May 20, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takuya MIYAMOTO, Kenichi SHIMOYAMA, Keiko NOGUCHI
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Publication number: 20210080545Abstract: According to one embodiment, a data processing apparatus includes a data processing unit and an acquisition unit. The data processing unit is configured to perform data processing on measurement data according to a distance to a marker, the measurement data being obtained by a ranging sensor attached to a moving object and measuring the marker of which surface includes a pattern with different reflection characteristics. The acquisition unit is configured to acquire operation information of the moving object based on data obtained by the data processing.Type: ApplicationFiled: February 28, 2020Publication date: March 18, 2021Inventors: Yusuke Ito, Kenichi Shimoyama
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Publication number: 20200391379Abstract: According to one embodiment, an end effector includes a gripping mechanism and a to-be-detected section. The gripping mechanism is configured to grip an article in a releasable manner. The to-be-detected section is irradiated with incident light from a distance detector. Regarding the to-be-detected section, a detection value group indicating a detection result of a distance from the distance detector to the to-be-detected section to be detected by the distance detector possesses optical characteristics different from a detection value group indicating a distance from the distance detector to the article to be detected by the distance detector.Type: ApplicationFiled: September 1, 2020Publication date: December 17, 2020Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATIONInventors: Kana SEKIGUCHI, Kenichi SHIMOYAMA
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Publication number: 20200384650Abstract: According to one embodiments, a calibration detecting apparatus includes a generator, a setting unit, an acquisition unit, and a calculator. The generator generates location data indicating a group including a pair of two positions arranged respectively in two spaces. The setting unit sets an irradiation arrangement so that an irradiating device performs laser irradiation on a region including an end position of the end effector. The acquisition unit acquires observation data indicating whether or not the end effector is observed. The calculator calculates a change in an installed state of the irradiating device based on the observation data.Type: ApplicationFiled: February 27, 2020Publication date: December 10, 2020Inventor: Kenichi Shimoyama
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Patent number: 9445008Abstract: An area identifying device includes a projecting unit, an image capturing unit, a calculating unit, and an identifying unit. The projecting unit is configured to project a pattern so that the pattern performs a predetermined movement. The image capturing unit is configured to capture, in sequential order, multiple images of a projection area on which the pattern is projected, each image including a plurality of image areas. The calculating unit is configured to calculate an amount of change of pattern appearances for each image area in the multiple images. The identifying unit is configured to identify, as a reflective area, at least one image area having a different amount of change of the pattern appearances from a reference amount of change of the pattern appearances based on the predetermined movement, among the calculated amounts of change of the pattern appearances.Type: GrantFiled: March 13, 2013Date of Patent: September 13, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Masaki Yamazaki, Akihito Seki, Kenichi Shimoyama, Satoshi Ito, Yuta Itoh, Ryuzo Okada
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Patent number: 9383221Abstract: According to an embodiment, a measuring device includes a measuring unit, a capturing unit, an estimation unit, a calculator, and a detector. The estimation unit estimates, for each irradiated point, an estimated projection position on the image, using a direction and a distance of the irradiated point and calibration information based on calibration of a measuring unit and a capturing unit. The calculator calculates, for each irradiated point, an amount of change in reflection intensity and obtains a reflection intensity change point. The calculator calculates, for each estimated projection position, an amount of change in brightness and obtains a brightness change point. The detector detects a calibration shift between the measuring unit and the capturing unit by comparing the reflection intensity change point and the brightness change point.Type: GrantFiled: November 4, 2013Date of Patent: July 5, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Yuta Itoh, Akihito Seki, Kenichi Shimoyama, Satoshi Ito, Masaki Yamazaki