Patents by Inventor Takuya KOYAMA
Takuya KOYAMA 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: 11943006Abstract: A wireless communication system including a shield room forming section, leaky transmission line, first antenna, first device, second antenna and second device. The shield room forming section covers an internal space with an electromagnetic wave reflector that blocks wireless communication. The leaky transmission line is provided with first and second leakage parts arranged inside the shield room forming section. The first antenna is arranged inside the shield room forming section and configured to be wirelessly communicable with the first leakage part. The first device is arranged inside the shield room forming section and has the first antenna. The second antenna is arranged inside the shield room forming section and configured to be wirelessly communicable with the second leakage part. The second device is arranged inside the shield room forming section and has the second antenna. The first device and the second device perform direct two-way wireless communication with each-other.Type: GrantFiled: October 16, 2018Date of Patent: March 26, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Fumihito Soma, Takuya Koyama, Hidenobu Uda, Takeo Umemura
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Patent number: 11780053Abstract: A shot processing apparatus including: a cabinet with a processing chamber formed therein, the processing chamber allowing a workpiece to be conveyed thereinto; a ejecting mechanism ejecting a shot media to a hole of the workpiece; and a conveyance device conveying the workpiece between a preparation position for the workpiece and the cabinet, wherein the conveyance device includes a plate-like rotary table provided to be rotatable about a rotation axis, being provided with a conveyor for moving the workpiece on an upper surface of the rotary table, and allowing the plurality of workpieces to be arranged thereon, the rotary table connects the conveyor to the preparation position and the cabinet at a predetermined rotational position, and the shot processing apparatus has an inspection area for inspecting a state of the hole of the workpiece, between the preparation position and the rotation axis of the rotary table.Type: GrantFiled: August 14, 2020Date of Patent: October 10, 2023Assignee: SINTOKOGIO, LTD.Inventor: Takuya Koyama
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Patent number: 11389930Abstract: A surface treatment processing method includes: a shot processing step of performing shot processing of shooting shot media at a treatment target; a first inspection step of nondestructively inspecting at least one of a surface side state and an external dimension of the treatment target subjected to the shot processing, evaluating that the treatment target is passed when an inspection result is within a first normal range set in advance, evaluating that the treatment target is failed when the inspection result is out of a first allowable range set in advance to include the first normal range, and evaluating that the treatment target is to be additionally processed when the inspection result is out of the first normal range but within the first allowable range; and an additional processing step of performing the shot processing again on the treatment target which is evaluated to be additionally processed.Type: GrantFiled: April 13, 2018Date of Patent: July 19, 2022Assignee: SINTOKOGIO, LTD.Inventors: Kyoichi Iwata, Takuya Koyama, Yuji Kobayashi, Akinori Matsui
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Patent number: 11223143Abstract: The present invention is provided with: an antenna 23 having an antenna surface 28 for radiating radio waves so as to have a prescribed plane of polarization; a second rotary mechanism 22 which is connected to the antenna 23 and which rotates the antenna 23 about a second rotation axis I2 that is set in a normal direction orthogonal to the antenna surface 28; and a first rotary mechanism 21 which is connected to the second rotary mechanism 22 and which rotates the antenna 23 and the second rotary mechanism 22 about a first rotation axis I1 that is set in a direction slanted with respect to the second rotation axis I2.Type: GrantFiled: October 26, 2017Date of Patent: January 11, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tsunetoshi Tanemura, Takuya Koyama, Yasuyuki Kimata
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Patent number: 11216952Abstract: A region extraction apparatus provided with a candidate extraction unit, a categorization unit and a region extraction unit. The candidate extraction unit extracts a difference region where a first ground surface image photographed from above at a first time point and a second ground surface image photographed at a second time point are different. The categorization unit estimates a first category of a first object photographed in correspondence with a position in the first ground surface image, calculates a first categorization image indicating a relationship between the position of the first object and the first category, estimates a second category of a second object photographed in correspondence with a position in the second ground surface image and calculates a second categorization image indicating a relationship between the position of the second object and the second category. The region extraction unit extracts an extraction region from the difference region.Type: GrantFiled: January 11, 2019Date of Patent: January 4, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Shinsuke Fukuba, Yuki Uchiyama, Takuya Koyama
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Patent number: 11161220Abstract: A shot treatment device includes, a rotary table rotatable in a first rotation direction about a first rotation shaft extending along a vertical direction, a plurality of placement tables arranged at intervals in a circumferential direction on an upper surface of the rotary table, an ejector configured to eject shot media, a first inspection detector configured to inspect surface properties of a workpiece, a shot chamber in which shot media is ejected to a workpiece, and a first inspection chamber provided downstream in the first rotation direction from the shot chamber. The ejector ejects shot media to a workpiece held on a first placement table that has entered the shot chamber, and the first inspection detector capable of ascending and descending is disposed above a second placement table that has entered the first inspection chamber and inspects surface properties of a workpiece held on the second placement table.Type: GrantFiled: May 8, 2018Date of Patent: November 2, 2021Assignee: SINTOKOGIO, LTD.Inventors: Masakatsu Ito, Takuya Koyama
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Patent number: 11150149Abstract: A gear positioning device according to an embodiment includes: a chuck configured to hold a gear; a rotation drive mechanism configured to rotationally drive the chuck so that the gear rotates around a predetermined rotation axis; a displacement meter configured to continuously or periodically acquire a measurement value representing a distance between a reference point located outside the gear and an outer peripheral surface of the gear while rotating the gear; and a control device configured to set a part of the outer peripheral surface of the gear as a measurement object on the basis of a rotation angle of the gear, the measurement value, and at least one predetermined reference value and control the rotation drive mechanism so that the measurement object is disposed at a reference position.Type: GrantFiled: September 3, 2018Date of Patent: October 19, 2021Assignee: SINTOKOGIO, LTD.Inventors: Kazunori Matsuda, Takuya Koyama
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Patent number: 11045922Abstract: A first inspection step nondestructively inspects a surface side state of a treatment target to be subjected to shot processing of shooting shot media at the treatment target and evaluates that the treatment target is failed when an inspection result deviates from a first allowable range predetermined. A condition setting step sets a shot processing condition in response to the inspection result of the first inspection step for the treatment target evaluated as not failed in the first inspection step. A shot processing step performs shot processing of shooting shot media at the treatment target evaluated as not failed in the first inspection step in the shot processing condition set in the condition setting step. A second inspection step after the shot processing step nondestructively inspects a surface side state of the treatment target.Type: GrantFiled: May 16, 2017Date of Patent: June 29, 2021Assignee: SINTOKOGIO, LTD.Inventors: Kyoichi Iwata, Takuya Koyama, Yuji Kobayashi, Akinori Matsui
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Publication number: 20210129290Abstract: A shot treatment device includes, a rotary table rotatable in a first rotation direction about a first rotation shaft extending along a vertical direction, a plurality of placement tables arranged at intervals in a circumferential direction on an upper surface of the rotary table, an ejector configured to eject shot media, a first inspection detector configured to inspect surface properties of a workpiece, a shot chamber in which shot media is ejected to a workpiece, and a first inspection chamber provided downstream in the first rotation direction from the shot chamber. The ejector ejects shot media to a workpiece held on a first placement table that has entered the shot chamber, and the first inspection detector capable of ascending and descending is disposed above a second placement table that has entered the first inspection chamber and inspects surface properties of a workpiece held on the second placement table.Type: ApplicationFiled: May 8, 2018Publication date: May 6, 2021Applicant: SINTOKOGIO, LTD.Inventors: Masakatsu ITO, Takuya KOYAMA
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Publication number: 20210060730Abstract: A shot processing apparatus including: a cabinet with a processing chamber formed therein, the processing chamber allowing a workpiece to be conveyed thereinto; a ejecting mechanism ejecting a shot media to a hole of the workpiece; and a conveyance device conveying the workpiece between a preparation position for the workpiece and the cabinet, wherein the conveyance device includes a plate-like rotary table provided to be rotatable about a rotation axis, being provided with a conveyor for moving the workpiece on an upper surface of the rotary table, and allowing the plurality of workpieces to be arranged thereon, the rotary table connects the conveyor to the preparation position and the cabinet at a predetermined rotational position, and the shot processing apparatus has an inspection area for inspecting a state of the hole of the workpiece, between the preparation position and the rotation axis of the rotary table.Type: ApplicationFiled: August 14, 2020Publication date: March 4, 2021Applicant: SINTOKOGIO, LTD.Inventor: Takuya KOYAMA
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Publication number: 20210056707Abstract: A region extraction apparatus provided with a candidate extraction unit, a categorization unit and a region extraction unit. The candidate extraction unit extracts a difference region where a first ground surface image photographed from above at a first time point and a second ground surface image photographed at a second time point are different. The categorization unit estimates a first category of a first object photographed in correspondence with a position in the first ground surface image, calculates a first categorization image indicating a relationship between the position of the first object and the first category, estimates a second category of a second object photographed in correspondence with a position in the second ground surface image and calculates a second categorization image indicating a relationship between the position of the second object and the second category. The region extraction unit extracts an extraction region from the difference region.Type: ApplicationFiled: January 11, 2019Publication date: February 25, 2021Inventors: Shinsuke FUKUBA, Yuki UCHIYAMA, Takuya KOYAMA
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Publication number: 20210036430Abstract: A wireless communication system including a shield room forming section, leaky transmission line, first antenna, first device, second antenna and second device. The shield room forming section covers an internal space with an electromagnetic wave reflector that blocks wireless communication. The leaky transmission line is provided with first and second leakage parts arranged inside the shield room forming section. The first antenna is arranged inside the shield room forming section and configured to be wirelessly communicable with the first leakage part. The first device is arranged inside the shield room forming section and has the first antenna. The second antenna is arranged inside the shield room forming section and configured to be wirelessly communicable with the second leakage part. The second device is arranged inside the shield room forming section and has the second antenna. The first device and the second device perform direct two-way wireless communication with each-other.Type: ApplicationFiled: October 16, 2018Publication date: February 4, 2021Inventors: Fumihito SOMA, Takuya KOYAMA, Hidenobu UDA, Takeo UMEMURA
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Publication number: 20200284670Abstract: A gear positioning device according to an embodiment includes: a chuck configured to hold a gear; a rotation drive mechanism configured to rotationally drive the chuck so that the gear rotates around a predetermined rotation axis; a displacement meter configured to continuously or periodically acquire a measurement value representing a distance between a reference point located outside the gear and an outer peripheral surface of the gear while rotating the gear; and a control device configured to set a part of the outer peripheral surface of the gear as a measurement object on the basis of a rotation angle of the gear, the measurement value, and at least one predetermined reference value and control the rotation drive mechanism so that the measurement object is disposed at a reference position.Type: ApplicationFiled: September 3, 2018Publication date: September 10, 2020Applicant: SINTOKOGIO, LTD.Inventors: Kazunori MATSUDA, Takuya KOYAMA
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Publication number: 20200055164Abstract: A surface treatment processing method includes: a shot processing step of performing shot processing of shooting shot media at a treatment target; a first inspection step of nondestructively inspecting at least one of a surface side state and an external dimension of the treatment target subjected to the shot processing, evaluating that the treatment target is passed when an inspection result is within a first normal range set in advance, evaluating that the treatment target is failed when the inspection result is out of a first allowable range set in advance to include the first normal range, and evaluating that the treatment target is to be additionally processed when the inspection result is out of the first normal range but within the first allowable range; and an additional processing step of performing the shot processing again on the treatment target which is evaluated to be additionally processed.Type: ApplicationFiled: April 13, 2018Publication date: February 20, 2020Applicant: SINTOKOGIO, LTD.Inventors: Kyoichi IWATA, Takuya KOYAMA, Yuji KOBAYASHI, Akinori MATSUI
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Publication number: 20190280395Abstract: The present invention is provided with: an antenna 23 having an antenna surface 28 for radiating radio waves so as to have a prescribed plane of polarization; a second rotary mechanism 22 which is connected to the antenna 23 and which rotates the antenna 23 about a second rotation axis I2 that is set in a normal direction orthogonal to the antenna surface 28; and a first rotary mechanism 21 which is connected to the second rotary mechanism 22 and which rotates the antenna 23 and the second rotary mechanism 22 about a first rotation axis I1 that is set in a direction slanted with respect to the second rotation axis I2.Type: ApplicationFiled: October 26, 2017Publication date: September 12, 2019Inventors: Tsunetoshi TANEMURA, Takuya KOYAMA, Yasuyuki KIMATA
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Publication number: 20190143482Abstract: A first inspection step nondestructively inspects a surface side state of a treatment target to be subjected to shot processing of shooting shot media at the treatment target and evaluates that the treatment target is failed when an inspection result deviates from a first allowable range predetermined. A condition setting step sets a shot processing condition in response to the inspection result of the first inspection step for the treatment target evaluated as not failed in the first inspection step. A shot processing step performs shot processing of shooting shot media at the treatment target evaluated as not failed in the first inspection step in the shot processing condition set in the condition setting step. A second inspection step after the shot processing step nondestructively inspects a surface side state of the treatment target.Type: ApplicationFiled: May 16, 2017Publication date: May 16, 2019Applicant: SINTOKOGIO, LTD.Inventors: Kyoichi IWATA, Takuya KOYAMA, Yuji KOBAYASHI, Akinori MATSUI
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Patent number: 10066937Abstract: A ranging apparatus transmits an optical input signal to an optical signal input/output unit mounted on a measurement target. The optical signal input/output unit receives the optical signal and transmits an optical output signal applied with an optical change, to the ranging apparatus. The ranging apparatus receives the optical output signal, measures a propagation distance from a light source a the light receiving unit through the optical signal input/output unit, and measures a relative position of the optical signal input/output unit based on the propagation distance. Thus, a distributed aperture radar is realized from the ranging apparatus and the optical signal input/output unit.Type: GrantFiled: June 3, 2013Date of Patent: September 4, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Shingo Nishikata, Yuki Uchiyama, Hiroyuki Daigo, Takuya Koyama, Hiroki Uchida
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Patent number: 10035241Abstract: The purpose of the present invention is to provide a shot processing device and a projector such that the projection amount of a projection material can be minimized.Type: GrantFiled: June 8, 2015Date of Patent: July 31, 2018Assignee: SINTOKOGIO, LTD.Inventors: Hideaki Kaga, Hiroaki Suzuki, Shoichi Yamamoto, Masato Umeoka, Takuya Koyama
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Patent number: 10035242Abstract: Provided is a shot-blasting apparatus which is capable of efficiently perform dust collection and ventilation of an inside of a projection chamber, even using a dust collector having a small-size and low-cost suction device.Type: GrantFiled: October 19, 2015Date of Patent: July 31, 2018Assignee: SINTOKOGIO, LTD.Inventors: Shoichi Yamamoto, Takuya Koyama
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Patent number: 10010998Abstract: The purpose of the present invention is to provide a shot peening apparatus for which size increase is limited by projecting a shot material evenly on a workpiece using a single projector. The present invention provides a shot peening apparatus equipped with a workpiece-conveying mechanism for conveying a workpiece and a projector for projecting a shot material at the workpiece. The workpiece-conveying mechanism is equipped with: a pair of rollers, which extend in the workpiece conveyance direction, on which the workpieces are loaded, and which are rotated centered on the longitudinal axis line; an endless chain; and conveyance members for pressing and conveying workpieces in the conveyance direction.Type: GrantFiled: April 29, 2016Date of Patent: July 3, 2018Assignee: SINTOKOGIO, LTD.Inventors: Hideaki Kaga, Hiroaki Suzuki, Shoichi Yamamoto, Masato Umeoka, Takuya Koyama