Patents by Inventor Eiji Yamamoto
Eiji Yamamoto 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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Publication number: 20240103495Abstract: Feedback is provided, based on an actual drive amount of an actuator, to a command to a subsequent actuator. A control system includes a memory configured to store a program configured to generate a command related to a working position, a controller configured to execute the program, a first output unit configured to output a drive signal to a first drive portion, a second output unit configured to output another drive signal to a second drive portion, and a measurement unit configured to measure a drive amount of the first drive portion. The controller is configured to extract a low-frequency component included in the command, transmit the low-frequency component to the first output unit, correct a high-frequency component included in the command based on a signal indicating the drive amount of the first drive portion, and transmit the high-frequency component to the second drive portion.Type: ApplicationFiled: September 21, 2021Publication date: March 28, 2024Applicant: OMRON CorporationInventors: Eiji YAMAMOTO, Toshiyuki KOJIMA, Yuto YASUI
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Publication number: 20240096667Abstract: A defect inspection device in which an optical axis of a detection optical system is inclined with respect to a surface of a sample, and an imaging sensor is inclined with respect to the optical axis, a height variation amount of an illumination spot in a normal direction of the surface of the sample is calculated based on an output of a height measuring unit, a deviation amount of the focusing position with respect to the light receiving surface in an optical axis direction of the detection optical system is calculated based on the height variation amount of the illumination spot, the deviation amount of the focusing position being generated accompanying a height variation of the illumination spot, and the focus actuator is controlled based on the deviation amount of the focusing position, and scattered light intensities at the same coordinates of the sample are added.Type: ApplicationFiled: January 29, 2021Publication date: March 21, 2024Inventors: Hiromichi YAMAKAWA, Toshifumi HONDA, Yuta URANO, Shunichi MATSUMOTO, Masaya YAMAMOTO, Eiji ARIMA
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Publication number: 20240085733Abstract: A display device includes a backlight, a display element, a plate for holding at least a portion of an emission surface, from which an image light is emitted, provided on the display element, and a heat dissipation portion that dissipates heat generated from the display element. The display element is connected to the heat dissipation portion via the plate.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Applicant: Maxell, Ltd.Inventors: Eiji KAWAWA, Toshinori SUGIYAMA, Tomoki YAMAMOTO, Tatsuya NAKAZAWA, Keisuke SAWADA, Akio MISAWA, Nozomu SHIMODA
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Publication number: 20230349711Abstract: A movement route estimation device (50) includes an object search unit (504) and a movement route estimation unit (505). The object search unit (504) searches for, as a search feature value, each feature value of two or more feature values from among a plurality of object feature values, based on a similarity between a feature value corresponding to a movable object, which is an object that has moved in a target space in a target period, and a target feature value.Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Applicant: Mitsubishi Electric CorporationInventors: Ryoji HATTORI, Seiji OKUMURA, Takayuki KODAIRA, Hirofumi NISHIKAWA, Akito ARAI, Fuminori NAGASAWA, Eiji YAMAMOTO
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Patent number: 11782298Abstract: An illuminating device includes an illumination light generator configured to generate illumination pulses of coherent light, and a speckle modulator configured to modulate speckle caused by the coherent light. The illumination pulse generator repeatedly generates a single illumination pulse group including a plurality of illumination pulses as a repetitive illumination pulse group.Type: GrantFiled: November 19, 2019Date of Patent: October 10, 2023Assignee: OLYMPUS CORPORATIONInventors: Eiji Yamamoto, Bakusui Daidoji, Yasuo Sasaki
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Publication number: 20230192589Abstract: What is provided is a production method in which a vinyl acetate is reacted with a primary or secondary alcohol represented by Formula (1) and carbon monoxide to produce a first ester compound represented by Formula (2), and the first ester compound is reacted with an alcohol to produce a lactic acid ester represented by Formula (3) and an acetic acid ester represented by Formula (4).Type: ApplicationFiled: May 20, 2021Publication date: June 22, 2023Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, SHOWA DENKO K.K.Inventors: Makoto TOKUNAGA, Haruno MURAYAMA, Eiji YAMAMOTO, Jooyoung SHIM, Haruki MORI, Nao SHIRAKURA, Shinya TSUKAMOTO, Shohei NISHIZAWA, Kazuhiro KITAGAWA, Hiroshi UCHIDA
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Patent number: 11381754Abstract: A camera control section (21) fixes among parameters for photographing which are set in a camera (1), another parameter than exposure time, and causes the camera (1) to photograph a photographing target area while changing the exposure time. An image acquisition section (11) acquires N (N?3) images of the photographing target area acquired by photographing by the camera (1). A model generation section (100) extracts for each pixel position, pixel values of a same pixel position from the N images, and generates a model indicating for each pixel position, a relationship between exposure times and pixel values, based on the extracted pixel values of the same pixel position and an exposure time at a time of photographing of each of the N images. A luminance value calculation section (52) calculates a luminance value for each pixel position, using the generated model and a luminance coefficient.Type: GrantFiled: May 21, 2021Date of Patent: July 5, 2022Assignee: Mitsubishi Electric CorporationInventors: Eiji Yamamoto, Masaki Oda, Seiji Okumura
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Publication number: 20210281734Abstract: A camera control section (21) fixes among parameters for photographing which are set in a camera (1), another parameter than exposure time, and causes the camera (1) to photograph a photographing target area while changing the exposure time. An image acquisition section (11) acquires N (N?3) images of the photographing target area acquired by photographing by the camera (1). A model generation section (100) extracts for each pixel position, pixel values of a same pixel position from the N images, and generates a model indicating for each pixel position, a relationship between exposure times and pixel values, based on the extracted pixel values of the same pixel position and an exposure time at a time of photographing of each of the N images. A luminance value calculation section (52) calculates a luminance value for each pixel position, using the generated model and a luminance coefficient.Type: ApplicationFiled: May 21, 2021Publication date: September 9, 2021Applicant: Mitsubishi Electric CorporationInventors: Eiji YAMAMOTO, Masaki ODA, Seiji OKUMURA
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Patent number: 10908577Abstract: The present disclosure provides a configuration of a control device that is capable of controlling the execution timing, etc. of multiple application programs when the multiple programs are executed in parallel in addition to a sequence program in a single control device. In the control device, when a first application program includes a first special command and a second application program includes a second special command, a command calculation part outputs a control command according to commands described after the first special command in the first application program and a control command according to commands described after the second special command in the second application program on the basis of a common timing.Type: GrantFiled: June 12, 2018Date of Patent: February 2, 2021Assignee: OMRON CorporationInventors: Junji Shimamura, Tetsushi Jakunen, Tomonori Shimamura, Eiji Yamamoto, Masahiko Nakano
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Patent number: 10877451Abstract: The present disclosure provides a configuration of a control device that is capable of controlling the execution timing, etc. of multiple application programs when the multiple programs are executed in parallel in addition to a sequence program in a single control device. In the control device, when a first application program includes a first special command and a second application program includes a second special command, a command calculation part outputs a control command according to commands described after the first special command in the first application program and a control command according to commands described after the second special command in the second application program on the basis of a common timing.Type: GrantFiled: June 12, 2018Date of Patent: December 29, 2020Assignee: OMRON CorporationInventors: Junji Shimamura, Tetsushi Jakunen, Tomonori Shimamura, Eiji Yamamoto, Masahiko Nakano
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Patent number: 10791914Abstract: A supporting apparatus for supporting insertion of a flexible insertion member into a subject and removal of the insertion member includes an attention point acquisition unit, a first displacement acquisition unit and a determination unit. The attention point acquisition unit specifies at least one first attention point specified by a shape of the insertion member. The first displacement acquisition unit acquires a first displacement of the first attention point. The determination unit determines how a state of the insertion member or the subject is at a position corresponding to the first attention point, based on displacement information including information on the first displacement.Type: GrantFiled: June 19, 2017Date of Patent: October 6, 2020Assignee: OLYMPUS CORPORATIONInventors: Eiji Yamamoto, Jun Hane
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Patent number: 10761884Abstract: A control device includes at least a first task that has a first priority including processing execution performed by a program execution part and a command calculation part, a second task that has a second priority, lower than the first priority, including processing execution performed by a parsing part, and a third task that has a third priority including execution of a processing content different from the first task and the second task are set in a scheduler. The control device further includes a priority changing part monitoring a processing state of the parsing part, and when the processing state of the parsing part meets a predetermined condition, changing the second priority set to the second task corresponding to the condition.Type: GrantFiled: June 11, 2018Date of Patent: September 1, 2020Assignee: OMRON CorporationInventors: Junji Shimamura, Tetsushi Jakunen, Tomonori Shimamura, Eiji Yamamoto, Masahiko Nakano
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Patent number: 10729312Abstract: An endoscope light source device includes a light source to emit light, and a speckle reduction member to scatter the light. The reduction member has a surface including thickness variation to provide the light with an optical path difference. The device also includes a drive to move the reduction member, and a lens to condense the light passed through the reduction member onto a light guide of an endoscope. The surface of the reduction member has inclination of an average inclination angle. The average inclination angle is determined so that a light quantity loss rate of the entering light into the light guide by scattering of the reduction member and refraction of the lens has a positive value equal to or smaller than an effective allowable loss rate.Type: GrantFiled: December 9, 2019Date of Patent: August 4, 2020Assignee: OLYMPUS CORPORATIONInventors: Hiroyuki Kamee, Eiji Yamamoto, Takeshi Ito, Masahiro Nishio
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Patent number: 10678218Abstract: The present disclosure meets demand to realize control computations according to programs having different execution formats by a single control device. The control device includes a storage unit storing a first program to be scanned as a whole for each execution and a second program that is sequentially executed, an execution processing unit computing a first command value by executing the first program at every predetermined control cycle, an interpreter interpreting at least a part of the second program and generating an intermediate code, a command value computation unit computing a second command value at every control cycle according to the intermediate code generated in advance by the interpreter, and an output unit outputting the first command value computed by the execution processing unit and the second command value computed by the command value computation unit at every control cycle.Type: GrantFiled: February 13, 2018Date of Patent: June 9, 2020Assignee: OMRON CorporationInventors: Junji Shimamura, Tetsushi Jakunen, Eiji Yamamoto, Masahiko Nakano, Masanori Ota
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Patent number: 10623653Abstract: An image adjustment apparatus includes a boundary calculation unit that calculates a boundary between a follow light region and a back light region in an image based on a position of a light source and an image adjustment unit that adjusts a state of the follow light region or the back light region with the boundary being a reference.Type: GrantFiled: April 4, 2018Date of Patent: April 14, 2020Assignee: SONY CORPORATIONInventors: Eiji Yamamoto, Masanori Mikami, Shunji Okada
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Patent number: 10619999Abstract: A curvature sensor includes a light source, a flexible light guide including cores, and FBG sensors that are provided in the cores and constitute FBG sensor groups at predetermined positions at predetermined positions along longitudinal axes of the cores. The curvature sensor includes a detector that detects an optical spectrum of light from the FBG sensors, and a processor that obtains a bend of the light guide. FBG sensors provided in a core include a first FBG sensor and a second FBG sensor next to it. The first and second FBG sensors include gratings having first and second pitches. The first pitch is shorter than the second pitch and is closer to the second pitch than other pitches of gratings of all FBG sensors that are provided in the core and include gratings having pitches shorter than the second pitch.Type: GrantFiled: May 18, 2018Date of Patent: April 14, 2020Assignee: OLYMPUS CORPORATIONInventors: Yasuo Sasaki, Eiji Yamamoto
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Publication number: 20200107706Abstract: An endoscope light source device includes a light source to emit light, and a speckle reduction member to scatter the light. The reduction member has a surface including thickness variation to provide the light with an optical path difference. The device also includes a drive to move the reduction member, and a lens to condense the light passed through the reduction member onto a light guide of an endoscope. The surface of the reduction member has inclination of an average inclination angle. The average inclination angle is determined so that a light quantity loss rate of the entering light into the light guide by scattering of the reduction member and refraction of the lens has a positive value equal to or smaller than an effective allowable loss rate.Type: ApplicationFiled: December 9, 2019Publication date: April 9, 2020Applicant: OLYMPUS CORPORATIONInventors: Hiroyuki KAMEE, Eiji YAMAMOTO, Takeshi ITO, Masahiro NISHIO
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Patent number: 10606246Abstract: In a control device which can execute a first program entirely scanned in each control cycle to update a command value, and a sequentially interpreted second program, an environment for realizing higher control performance is provided. The control device includes a first program execution part scanning the entire first program in each control cycle to update a command value and a second program execution part updating the command value in each control cycle according to a sequentially interpreted second program. The second program execution part includes an interpreter generating an intermediate code and a command value operation part calculating the command value in each control cycle according to the intermediate code. The command value operation part outputs the command value in each control cycle so that the command value can be used in other processes.Type: GrantFiled: February 12, 2018Date of Patent: March 31, 2020Assignee: OMRON CorporationInventors: Eiji Yamamoto, Masahiko Nakano, Junji Shimamura
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Publication number: 20200081264Abstract: An illuminating device includes an illumination pulse generator configured to generate illumination pulses of coherent light, a speckle modulator configured to modulate speckle caused by the coherent light, and a synchronization controller configured to control the illumination pulse generator and the speckle modulator so as to synchronize pulse generation timing of the illumination pulse generator and drive timing of the speckle modulator. The speckle modulator periodically changes a driving intensity of the speckle modulator.Type: ApplicationFiled: November 19, 2019Publication date: March 12, 2020Applicant: OLYMPUS CORPORATIONInventors: Eiji YAMAMOTO, Bakusui DAIDOJI, Yasuo SASAKI
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Publication number: 20200081263Abstract: An illuminating device includes an illumination light generator configured to generate illumination pulses of coherent light, and a speckle modulator configured to modulate speckle caused by the coherent light. The illumination pulse generator repeatedly generates a single illumination pulse group including a plurality of illumination pulses as a repetitive illumination pulse group.Type: ApplicationFiled: November 19, 2019Publication date: March 12, 2020Applicant: OLYMPUS CORPORATIONInventors: Eiji YAMAMOTO, Bakusui DAIDOJI, Yasuo SASAKI