Patents by Inventor Koki Yoshida
Koki Yoshida 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: 20250088107Abstract: A power conversion device includes: a DC/DC converter including a conversion circuit; and a control circuit that detects a first voltage at an output terminal, a first current flowing through the conversion circuit, and a second voltage at an input terminal, obtains information indicating a target output voltage and a predetermined voltage, and performs calculations to emit a PWM signal for operating the conversion circuit. The control circuit performs: a first calculation for calculating a target current for approximating the first voltage to the target output voltage; a second calculation for calculating a first duty ratio for approximating the first current to the target current; a third calculation for calculating a second duty ratio based on the predetermined voltage and the second voltage; and a fourth calculation for calculating a driving duty ratio of the PWM signal using the first and the second duty ratios to control the first voltage.Type: ApplicationFiled: October 4, 2022Publication date: March 13, 2025Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Koki MINE, Koji YOSHIDA, Takeshi NAKAYASHIKI
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Patent number: 12235881Abstract: A vector acquisition method includes: inputting, into a learned model, at least one piece of text including at least two of a plurality of words obtained by dividing a compound, the compound being a word divisible into the plurality of words; outputting, from the learned model, an adjusted vector corresponding to at least one of the words obtained by dividing the compound in the input piece of text; and acquiring a compound vector corresponding to the compound using the adjusted vector output from the learned model. Classification accuracy of vectors corresponding to words can thereby be enhanced.Type: GrantFiled: February 11, 2022Date of Patent: February 25, 2025Assignee: SCREEN HOLDINGS CO., LTD.Inventors: Koki Umehara, Kiyotaka Kasubuchi, Akiko Yoshida, Manri Terada, Yuki Sumiya
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Publication number: 20250049878Abstract: A method to obtain a fraction derived from cacao beans containing a large amount of GABA. A cacao bean-derived composition having a specific gravity of 1.2 or more and containing 0.55 mg/g or more of ?-aminobutyric acid (GABA) is provided.Type: ApplicationFiled: September 30, 2022Publication date: February 13, 2025Applicant: Meiji Co., Ltd.Inventors: Kento BABA, Megumi MIYAZAKI, Koki MATSUDA, Yuri NISHIYAMA, Haruna YOSHIDA
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Patent number: 12220907Abstract: A printing apparatus includes: a user-setting-value acquiring unit configured to acquire a user setting value indicating a remaining amount of paper on a paper roll, the user setting value being set by a user; a first detection unit configured to detect that a physical quantity correlated with a remaining amount of paper on the paper roll has become equal to a first threshold value; a second detection unit configured to detect that the remaining amount of paper on the paper roll has become equal to a second threshold value; a post-detection length acquiring unit configured to acquire a post-detection length being a length of paper used from the paper roll from a time when it is detected that the physical quantity has become equal to the first threshold value until the remaining amount of paper on the paper roll becomes equal to the second threshold value; and a notification unit configured to notify that, when a new paper roll is used and a length of paper used from the new paper roll from a time when it is dType: GrantFiled: March 21, 2023Date of Patent: February 11, 2025Assignee: SEIKO INSTRUMENTS INC.Inventors: Daisuke Yoshida, Yuichi Yoshigi, Hiroaki Kondo, Yoshio Kitamura, Koichi Hatakeyama, Koki Yoshida, Ryota Naka
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Patent number: 12188769Abstract: A defect inspection device (100) includes an excitation unit that excites an elastic wave, an irradiation unit (2) that applies laser lights, a measurement unit (3) that measures the interfered laser lights, and a control unit that acquires vibration state information which is information about a state of the elastic wave excited in an inspection target (P) for a plurality of frequencies by changing a frequency of excitation vibration caused by the excitation unit in order to excite the elastic wave in the inspection target (P), and extracts recommended frequencies (F) recommended for inspecting a defect of the inspection target (P) from among the plurality of frequencies based on the acquired vibration state information for the plurality of frequencies.Type: GrantFiled: October 12, 2020Date of Patent: January 7, 2025Assignee: SHIMADZU CORPORATIONInventors: Koki Yoshida, Kenji Takubo, Takahide Hatahori
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Publication number: 20240399171Abstract: An object of the invention is to obtain a position of each leaf with high accuracy by a configuration that is easy to be manufactured in a multileaf collimator. The multileaf collimator includes a plurality of leaves, and a reflection surface that reflects light emitted from a light source is formed on a peripheral end surface, other than a collimated end surface a, among surrounding end surfaces of the leaf. The peripheral end surface includes a longitudinal end surface d opposite to the collimated end surface a, and an upper lateral end surface b extending from one end of the longitudinal end surface d toward the collimated end surface a. The reflection surface may be a region where the peripheral end surface is subjected to reflection processing.Type: ApplicationFiled: February 6, 2023Publication date: December 5, 2024Inventors: Koki YOSHIDA, Takashi ISHIZUKA, Satoshi ARAI
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Patent number: 12048577Abstract: In this X-ray fluoroscopic imaging apparatus, a control unit includes a first determination unit for determining whether or not X-ray imaging has been performed and is configured to perform control to switch to the target position to the next target position when it is determined by a first determination unit that X-ray imaging has been performed.Type: GrantFiled: December 13, 2021Date of Patent: July 30, 2024Assignee: SHIMADZU CORPORATIONInventors: Koki Yoshida, Fumiaki Tanaka
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Publication number: 20240237964Abstract: An Xray imaging apparatus is provided with an X-ray source, an X-ray detector, an arm, an arm driving mechanism, an X-ray detector moving mechanism, a model acquisition unit for acquiring a subject model of a surface shape of the subject, and a controller configured to select a target position where a distance of the X-ray detector to a surface of the subject model is shorter, out of a first target position set based on a position of the subject model and a preset second target position and perform a control to move the X-ray detector toward the selected target position.Type: ApplicationFiled: December 6, 2023Publication date: July 18, 2024Inventors: Hiroki ONODERA, Koki YOSHIDA, Dai HIROSE
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Publication number: 20240174007Abstract: A portable terminal has a thermal head. The portable terminal includes a first sensor unit configured to detect presence or absence of a sheet, a second sensor unit configured to detect information related to a mark provided on the sheet, and a sheet determination unit configured to determine a kind of the sheet. The sheet determination unit is configured to determine a kind of the sheet based on a result of detecting information related to the mark with use of the second sensor unit after the sheet is conveyed in a reverse direction with respect to a direction of discharging the sheet.Type: ApplicationFiled: November 21, 2023Publication date: May 30, 2024Inventors: Yohei ISHIDOYA, Shohei NOMURA, Koki YOSHIDA, Soshiro AOKI
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Patent number: 11982641Abstract: The method for examining a clinched portion of a tubular body includes the steps of: giving an elastic vibration to a clinched body 90 formed by clinching a tubular body 91 with a clinch-target member 92; and acquiring, for each of a plurality of view areas 95 which differ from each other in the position in the circumferential direction of the tubular body 91, a vibration distribution optically and simultaneously measured within the view area 95 including a clinched portion 93 of the tubular body 91 and the clinch-target member 92, to determine whether or not the state of clinching is satisfactory over the entire clinched portion 93.Type: GrantFiled: April 13, 2020Date of Patent: May 14, 2024Assignees: SHIMADZU CORPORATION, Kobe Steel, Ltd.Inventors: Takahide Hatahori, Kenji Takubo, Koki Yoshida, Yoshihaya Imamura
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Patent number: 11974870Abstract: This X-ray imaging apparatus includes an X-ray source, an X-ray detector, an arm, an arm driving mechanism, an X-ray detector moving mechanism, a bed, and a control unit. The control unit performs control of a position adjustment operation for adjusting a position of the X-ray detector such that a distance from a surface of a subject model serving as a model of a surface shape of the subject to the X-ray detector becomes a predetermined distance by moving the X-ray detector toward or away from the surface of the subject model.Type: GrantFiled: December 13, 2021Date of Patent: May 7, 2024Assignee: SHIMADZU CORPORATIONInventors: Hiroki Onodera, Koki Yoshida, Dai Hirose
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Patent number: 11944478Abstract: An X-ray fluoroscopic imaging apparatus reduces the number of memory switches and performs an auto-positioning for a larger number of rotation positions. The apparatus includes a C-arm 9 supporting the X-ray tube 5 and the X-ray detector 7 face to be rotatable around two axes orthogonal to each other. A rotation position memory storage element 61 stores the rotation position information of the C-arm 9 in correspondence with any of memory switches 55; and a touch panel 43 displays the rotation position information stored in correspondence with selected memory switches 55. The rotation position memory storage element 61 stores a plurality of rotation position information corresponding to the respective memory switches 55, and the touch panel 43 displays any of the plurality of rotation position information stored in correspondence with the memory switches 55 in a predetermined display manner.Type: GrantFiled: December 6, 2021Date of Patent: April 2, 2024Assignee: SHIMADZU CORPORATIONInventors: Koki Yoshida, Fumiaki Tanaka, Ryusuke Watanabe
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Publication number: 20230368408Abstract: A position estimator outputs, by inputting information obtained from the frame images into a trained model, positional information of a plurality of parts of a human body from the trained model. A determination processor outputs information on erroneous detection by the position estimator. The position estimator outputs a first position group in response to an input of an obtained first frame image, the first frame image being obtained by the receiver and outputs a second position group in response to an input of an obtained second frame image different from the first frame image, the second frame image being obtained by the receiver. The determination processor outputs the information on erroneous detection by the position estimator based on a degree of difference between the first position group and the second position group and a degree of matching between the first frame image and the second frame image.Type: ApplicationFiled: July 7, 2021Publication date: November 16, 2023Inventors: Koki YOSHIDA, Kahori KISE, Koichi MURATA, Nobuya HASHIZUME, Masafumi FURUTA, Shima OKADA
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Patent number: 11815493Abstract: A defect inspection apparatus (100) is provided with and an excitation unit (1) for exciting elastic waves, an irradiation unit (2) for emitting laser light, a measurement unit (3) for measuring interference light, and a control unit (4). The control unit is configured to acquire an image (61) representing a vibration state of an inspection target object (7) in a measurement area based on a measurement result of the measurement unit (3), detect a discontinuous portion in a vibration state in the measurement area from the image representing the vibration state as a defect (73), and identify a type of the defect based on at least one of a shape (62) of the detected defect and the vibration state of a defective portion.Type: GrantFiled: December 20, 2018Date of Patent: November 14, 2023Assignee: Shimadzu CorporationInventors: Takahide Hatahori, Kenji Takubo, Koki Yoshida
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Patent number: 11790513Abstract: This defect inspection apparatus (100) is provided with an excitation unit (1), a laser illumination unit (2), an interference unit (3), an imaging unit (35), and a control unit (4) for generating a moving image (61) related to the propagation of an elastic wave of an inspection target (7). The control unit is configured to perform control to display an identified measurement inappropriate region (81) in such a manner as to be distinguishable from a measurement appropriate region (82) in which the vibration state has been correctly acquired in the moving image (61).Type: GrantFiled: April 17, 2019Date of Patent: October 17, 2023Assignee: Shimadzu CorporationInventors: Koki Yoshida, Takahide Hatahori, Kenji Takubo
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Publication number: 20230322001Abstract: A printing apparatus includes: a user-setting-value acquiring unit configured to acquire a user setting value indicating a remaining amount of paper on a paper roll, the user setting value being set by a user; a first detection unit configured to detect that a physical quantity correlated with a remaining amount of paper on the paper roll has become equal to a first threshold value; a second detection unit configured to detect that the remaining amount of paper on the paper roll has become equal to a second threshold value; a post-detection length acquiring unit configured to acquire a post-detection length being a length of paper used from the paper roll from a time when it is detected that the physical quantity has become equal to the first threshold value until the remaining amount of paper on the paper roll becomes equal to the second threshold value; and a notification unit configured to notify that, when a new paper roll is used and a length of paper used from the new paper roll from a time when it is dType: ApplicationFiled: March 21, 2023Publication date: October 12, 2023Inventors: Daisuke YOSHIDA, Yuichi Yoshigi, Hiroaki Kondo, Yoshio Kitamura, Koichi Hatakeyama, Koki Yoshida, Ryota Naka
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Patent number: 11774746Abstract: This interference image imaging apparatus includes a first optical member (21) and a second optical member (22), and has a first portion (8) for transmitting a first bundle of rays (7) to change a direction of outgoing light with respect to incident light, and a second portion (10) for changing a phase of second bundle of rays (9) with respect to the first bundle of rays (7).Type: GrantFiled: January 17, 2020Date of Patent: October 3, 2023Assignee: Shimadzu CorporationInventors: Takahide Hatahori, Kenji Takubo, Koki Yoshida
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Publication number: 20230266275Abstract: A testing method for a joined body, in which a second pipe member having an outer diameter smaller than that of a first pipe member having at least one through hole is inserted into the first pipe member and the second pipe member is expanded to form a joining portion, the testing method includes: applying an elastic wave vibration to the joined body of the first pipe member and the second pipe member, for plural visual field regions at different positions in a circumferential direction of the joined body, acquiring a vibration distribution of the second pipe member measured through the through hole and a vibration distribution of the first pipe member in a visual field region including the joining portion of the first pipe member and the second pipe member, which are measured optically and in a batch, and determining quality of joining in the entire joining portion based on the acquired vibration distributions.Type: ApplicationFiled: June 30, 2021Publication date: August 24, 2023Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), SHIMADZU CORPORATIONInventors: Ryusuke HIOKI, Yoshihaya IMAMURA, Chieko IMAI, Takahide HATAHORI, Koki YOSHIDA
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Publication number: 20230254610Abstract: A data measurement system (10) includes a plurality of measurement apparatuses (130), a signal transmitter (110), and a data processing apparatus (150). The signal transmitter (110) transmits a trigger signal to the plurality of measurement apparatuses (130). The data processing apparatus (150) obtains from each of the plurality of measurement apparatuses (130), measurement data measured during a period between a start signal corresponding to the trigger signal transmitted at first time and an end signal corresponding to the trigger signal transmitted at second time later than the first time. The data processing apparatus (150) temporally aligns start signals in the obtained data with each other and aligns end signals in the obtained data with each other, and presents the measurement data from the plurality of measurement apparatuses (130) to a user.Type: ApplicationFiled: May 11, 2021Publication date: August 10, 2023Inventors: Masafumi FURUTA, Koichi MURATA, Koki YOSHIDA, Yasuyuki URAOKA, Kahori KISE
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Patent number: D1060761Type: GrantFiled: March 27, 2023Date of Patent: February 4, 2025Assignee: MAZDA MOTOR CORPORATIONInventors: Yoshito Iwauchi, Atsushi Yoshida, Koki Okada, Yasunori Kawano