Patents by Inventor Takuya Fujita
Takuya Fujita 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: 20240157617Abstract: A control device includes: an injection control unit that controls, in a pressure holding process of controlling a pressure acting on a molding material from an injection member, an injection drive source based on a set value of the pressure and an actual value of the pressure. The injection control unit performs pressure reduction control to gradually reduce the actual value of the pressure with respect to the set value of the pressure from a middle of a k-th stage (k is an integer of 1 or more and n or less). The control device includes a ratio setting unit that sets a time ratio Tr(k) in the k-th stage and a pressure ratio ?Pr(k) in the k-th stage based on a set value P(k) of the pressure in the k-th stage, a set value T(k) of a holding time in the k-th stage, and information stored in advance.Type: ApplicationFiled: October 8, 2023Publication date: May 16, 2024Inventors: Takuya MATSUNAGA, Keisuke TOMIMATSU, Katsuki FUJITA, Shun SHIBUYA, Xiangyu CHU
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Publication number: 20240149317Abstract: A cold rolling mill rolling condition setting method using a prediction model being generated with an explanatory variable being first multi-dimensional data obtained by transforming past rolling performance data including pre-cold rolling data of a roll material on an entry side of the cold rolling mill into multi-dimensional data, and an objective variable being post-cold rolling data of the roll material on a delivery side of the cold rolling mill, the method includes: estimating a post-rolling shape of a roll target material by inputting, to the prediction model, second multi-dimensional data generated from information including the pre-cold rolling data of the roll target material on the entry side of the cold rolling mill and a target rolling condition of the cold rolling mill; and changing the target rolling condition of the cold rolling mill such that the estimated post-rolling shape of the roll target material satisfies a predetermined condition.Type: ApplicationFiled: February 1, 2022Publication date: May 9, 2024Applicant: JFE STEEL CORPORATIONInventors: Noriki FUJITA, Takuya KITAMURA, Tetsuya ARAKAWA, Yoshiki IKOMA, Takumi YAMADA
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Publication number: 20240135573Abstract: A position estimating device is a position estimating device that estimates a position of a vehicle equipped with a camera and includes a position estimating unit configured to estimate the position of the vehicle by image processing of an image captured by the camera and a load control unit configured to control a processing load of the image processing by controlling an execution timing of the image processing performed by the position estimating unit and/or the image to be subjected to the image processing.Type: ApplicationFiled: October 15, 2023Publication date: April 25, 2024Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Katsumasa KITAJIMA, Yusuke KINOUCHI, Masahiro YAMADA, Takumi FUJITA, Takuya AKASHI
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Publication number: 20240132332Abstract: A position estimation system is a position estimation system for estimating a position of a forklift equipped with a camera and includes: a position estimation unit configured to estimate a position of the forklift on the basis of a feature included in an image captured by the camera; and an inclusion determination unit configured to calculate, on the basis of a position in a height direction of a mast with which the forklift is equipped, an inclusion range indicating a range in which the mast is in the image and determine to stop estimation of the position by using the position estimation unit when the inclusion range calculated exceeds an allowable range.Type: ApplicationFiled: October 15, 2023Publication date: April 25, 2024Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Katsumasa KITAJIMA, Yusuke KINOUCHI, Masahiro YAMADA, Takumi FUJITA, Takuya AKASHI
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Patent number: 11955777Abstract: An optical combiner includes: a plurality of first input optical fibers that each include a core; a bridge fiber that includes a bridge input surface connected to the cores of the plurality of first input optical fibers, a diameter reduction portion having a diameter that decreases away from the bridge input surface along an optical axis of the optical combiner, and a bridge output surface located opposite to the bridge input surface along the optical axis; an intermediate optical fiber that includes a core connected to the bridge output surface of the bridge fiber; a second input optical fiber that includes a core; and an output optical fiber that includes a first optical waveguide connected to the core of the intermediate optical fiber, and a second optical waveguide connected to the core of the second input optical fiber.Type: GrantFiled: September 24, 2020Date of Patent: April 9, 2024Assignee: Fujikura Ltd.Inventors: Tomoyuki Fujita, Ryokichi Matsumoto, Yutaka Yamaguchi, Takuya Kobayashi, Kiwamu Suzuki
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Patent number: 11951695Abstract: Provided are methods for producing a fiber-reinforced plastic having high mechanical properties and high productivity during molding of a complicated shape. In one aspect, the method produces a fiber-reinforced plastic using a tape substrate A and a sheet substrate B, the tape substrate A being a tape-shaped substrate including one or more sheets of incised prepreg a; the incised prepreg a being a prepreg including unidirectionally oriented reinforcing fibers and a resin and having a plurality of incisions dividing the reinforcing fibers formed in the prepreg, and satisfying the following condition 1; the sheet substrate B being a substrate including randomly oriented reinforcing fibers and a resin.Type: GrantFiled: January 19, 2018Date of Patent: April 9, 2024Assignee: Toray Industries, Inc.Inventors: Yuzo Fujita, Kentaro Adachi, Takuya Karaki
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Publication number: 20240091833Abstract: A cold rolling mill rolling condition calculation method includes: an estimation step of estimating a rolling constraint condition with respect to a target steady rolling condition of a roll target material, by inputting second multi-dimensional data to a prediction model, the prediction model having been trained with explanatory variable and response variable, the explanatory variable being first multi-dimensional data generated based on non-steady rolling performance data, among past rolling performance in rolling a roll material by a cold rolling mill, and the response variable being steady rolling performance data and rolling constraint condition data during steady rolling, and the second multi-dimensional data having been generated based on non-steady rolling performance data of the roll target material; and a change step of changing the target steady rolling condition so that the estimated rolling constraint condition satisfies a predetermined condition.Type: ApplicationFiled: October 29, 2021Publication date: March 21, 2024Applicant: JFE Steel CorporationInventors: Noriki Fujita, Takuya Kitamura, Tetsuya Arakawa, Yoshiki Ikoma, Miwa Ohashi
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Patent number: 11926771Abstract: A double-sided pressure-sensitive adhesive tape having excellent impact resistance, excellent reworkability, and excellent alcohol resistance. The double-sided pressure-sensitive adhesive tape includes: a base material layer; and pressure-sensitive adhesive layers arranged on both surface sides of the base material layer, wherein the pressure-sensitive adhesive layers are each formed from a pressure-sensitive adhesive composition, wherein the pressure-sensitive adhesive composition contains at least one kind selected from the group consisting of a monomer component (m) and a polymer component (P) obtained by polymerizing the monomer component (m), wherein the monomer component (m) contains 50 wt % or more of butyl (meth)acrylate, wherein a ratio of a thickness of the base material layer to a total thickness of the double-sided pressure-sensitive adhesive tape is less than 35%, and wherein the double-sided pressure-sensitive adhesive tape has a force, which is generated at 100% strain at 23° C.Type: GrantFiled: October 14, 2020Date of Patent: March 12, 2024Assignee: NITTO DENKO CORPORATIONInventors: Takuya Fujita, Hiromichi Sumida, Masahito Niwa, Masataka Nishiwaki, Yasushi Buzojima
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Patent number: 11926129Abstract: A prepreg laminate is provided which includes: a woven fabric prepreg on at least one surface layer; and a discontinuous fiber prepreg; the woven fabric prepreg including reinforcing fibers R1 having a woven structure, and a thermosetting resin A, the discontinuous fiber prepreg including unidirectionally oriented discontinuous reinforcing fibers R2 and a thermosetting resin B, the thermosetting resin A and the thermosetting resin B satisfying the following calorific value condition: calorific value condition: when each of the thermosetting resin A and the thermosetting resin B is heated using a differential scanning calorimeter from 50° C. to 130° C. at 700° C./min under a nitrogen atmosphere followed by retention at 130° C.Type: GrantFiled: July 3, 2018Date of Patent: March 12, 2024Assignee: Toray Industries, Inc.Inventors: Kentaro Adachi, Yuzo Fujita, Takuya Karaki
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Patent number: 11926111Abstract: Provided is a method for manufacturing a fiber-reinforced plastic composite containing a fiber-reinforced plastic part having a plate-like portion and a rib protruding from one surface of the plate-like portion, and a metal part, having an average thickness of 0.5-3.0 mm, laminated on part of or all of the plate-like portion of the fiber-reinforced plastic part, comprising: a lamination step for stacking a plurality of incised prepreg layers as a plurality of sheets of base material to form a base laminate, each prepreg layer containing unidirectionally oriented fibers and resin, and a plurality of incisions crossing the fibers, a base material heating step for heating the base laminate, and a molding step for integrating the base laminate and the metal part by pressing them between a rib molding member having a recessed portion for forming a rib and a skin molding member free of such a recessed portion in a pressing device.Type: GrantFiled: October 17, 2018Date of Patent: March 12, 2024Assignee: Toray Industries, Inc.Inventors: Yuzo Fujita, Takuya Karaki, Kentaro Adachi
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Patent number: 11897025Abstract: A forging apparatus includes an ironing mechanism and a phase alignment mechanism. The ironing mechanism includes: a punch set, which is fitted into a cylindrical portion of a pre-processing material to be formed into the outer joint member, and is radially expandable and contractible, the cylindrical portion having grooves formed in an inner peripheral surface thereof; and a die having a hole into which the cylindrical portion is press-fitted. The phase alignment mechanism is configured to align phases of the grooves in the inner peripheral surface of the pre-processing material and phases of track groove portion forming surfaces of the punch set with each other before the pre-processing material is fitted to the punch set.Type: GrantFiled: September 14, 2022Date of Patent: February 13, 2024Assignee: NTN CORPORATIONInventors: Jun Numamoto, Takuya Fujita
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Patent number: 11891551Abstract: A double-sided pressure-sensitive adhesive tape having excellent impact resistance, excellent reworkability, and excellent alcohol resistance. The double-sided pressure-sensitive adhesive tape includes: a base material layer; and pressure-sensitive adhesive layers arranged on both surface sides of the base material layer, wherein the pressure-sensitive adhesive layers are each formed from a pressure-sensitive adhesive composition, wherein the pressure-sensitive adhesive composition contains at least one kind selected from the group consisting of a monomer component (m) and a polymer component (P) obtained by polymerizing the monomer component (m), wherein the monomer component (m) contains 50 wt % or more of butyl (meth)acrylate, wherein a ratio of a thickness of the base material layer to a total thickness of the double-sided pressure-sensitive adhesive tape is less than 35%, and wherein the double-sided pressure-sensitive adhesive tape has a force, which is generated at 100% strain at 23° C.Type: GrantFiled: October 14, 2020Date of Patent: February 6, 2024Assignee: NITTO DENKO CORPORATIONInventors: Takuya Fujita, Hiromichi Sumida, Masahito Niwa, Masataka Nishiwaki, Yasushi Buzojima
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Patent number: 11860032Abstract: A photodetector device includes an avalanche photodiode array substrate formed from compound semiconductor. A plurality of avalanche photodiodes arranged to operate in a Geiger mode are two-dimensionally arranged on the avalanche photodiode array substrate. A circuit substrate includes a plurality of output units which are connected to each other in parallel to form at least one channel. Each of the output units includes a passive quenching element and a capacitative element. The passive quenching element is connected in series to at least one of the plurality of avalanche photodiodes. The capacitative element is connected in series to at least one of the avalanche photodiodes and is connected in parallel to the passive quenching element.Type: GrantFiled: July 26, 2021Date of Patent: January 2, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Takuya Fujita, Yusei Tamura, Kenji Makino, Takashi Baba, Koei Yamamoto
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Publication number: 20230358607Abstract: A photodetector device includes an avalanche photodiode array substrate formed from compound semiconductor. A plurality of avalanche photodiodes arranged to operate in a Geiger mode are two-dimensionally arranged on the avalanche photodiode array substrate. A circuit substrate includes a plurality of output units which are connected to each other in parallel to form at least one channel. Each of the output units includes a passive quenching element and a capacitative element. The passive quenching element is connected in series to at least one of the plurality of avalanche photodiodes. The capacitative element is connected in series to at least one of the avalanche photodiodes and is connected in parallel to the passive quenching element.Type: ApplicationFiled: July 18, 2023Publication date: November 9, 2023Applicant: Hamamatsu Photonics K.K.Inventors: Takuya FUJITA, Yusei Tamura, Kenji Makino, Takashi Baba, Koel Yamamoto
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Patent number: 11698267Abstract: The vehicle navigation device guides a user of a vehicle to a destination. The vehicle navigation device includes a car navigation system that acquires the destination, a head-up display that displays various information, and a body ECU that controls the information displayed on the head-up display based on the destination acquired by the car navigation system. The body ECU is configured to cause, on the assumption that the user alights from the vehicle at a current location, the head-up display to display post-alighting guidance information which is information for guiding the user to the destination regarding, for example, walking.Type: GrantFiled: August 31, 2020Date of Patent: July 11, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takuya Fujita
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Publication number: 20230089505Abstract: An eddy current deceleration device includes a rotor and a stator. The rotor includes a hub, a rotor body, and a spoke. The spoke has neutral axes. The first neutral axis is a neutral axis when the spoke is bent in a circumferential direction of the rotor body. The first neutral axis is positioned forward in a rotating direction of the rotor with respect to a center line of the spoke in the circumferential direction. The second neutral axis is a neutral axis when the spoke is bent in an axial direction of the rotor body. The second neutral axis is positioned on a rotor body side with respect to a center line of the spoke in the axial direction.Type: ApplicationFiled: February 10, 2021Publication date: March 23, 2023Inventors: Yasutaka NOGUCHI, Hiroshi NOGAMI, Kenji IMANISHI, Takuya FUJITA, Yozo OKUDA
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Publication number: 20230013212Abstract: A forging apparatus includes an ironing mechanism and a phase alignment mechanism. The ironing mechanism includes: a punch set, which is fitted into a cylindrical portion of a pre-processing material to be formed into the outer joint member, and is radially expandable and contractible, the cylindrical portion having grooves formed in an inner peripheral surface thereof; and a die having a hole into which the cylindrical portion is press-fitted. The phase alignment mechanism is configured to align phases of the grooves in the inner peripheral surface of the pre-processing material and phases of track groove portion forming surfaces of the punch set with each other before the pre-processing material is fitted to the punch set.Type: ApplicationFiled: September 14, 2022Publication date: January 19, 2023Inventors: Jun NUMAMOTO, Takuya FUJITA
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Patent number: 11504992Abstract: An image forming method is provided. The image forming method includes the processes of: applying a porous layer forming material to a recording medium by an inkjet head to form a porous layer having an average pore diameter greater than 200 nm and not greater than 400 nm and an average thickness of from 5 to 30 ?m; and applying a silver ink containing silver to the porous layer.Type: GrantFiled: July 24, 2018Date of Patent: November 22, 2022Assignee: RICOH COMPANY, LTD.Inventors: Tatsuya Tomura, Yoshimasa Miyazawa, Takuya Fujita
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Patent number: 11478845Abstract: A forging apparatus includes an ironing mechanism and a phase alignment mechanism. The ironing mechanism includes: a punch set, which is fitted into a cylindrical portion of a pre-processing material to be formed into the outer joint member, and is radially expandable and contractible, the cylindrical portion having grooves formed in an inner peripheral surface thereof; and a die having a hole into which the cylindrical portion is press-fitted. The phase alignment mechanism is configured to align phases of the grooves in the inner peripheral surface of the pre-processing material and phases of track groove portion forming surfaces of the punch set with each other before the pre-processing material is fitted to the punch set.Type: GrantFiled: December 26, 2018Date of Patent: October 25, 2022Assignee: NTN CorporationInventors: Jun Numamoto, Takuya Fujita
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Patent number: 11461858Abstract: [Object] To provide an information processing device, a control method, and a program capable of revitalizing real estate transactions while also protecting supplier-side privacy pertaining to real estate transactions. [Solution] An information processing device including: an alteration unit that alters a granularity of real estate information to be disclosed, in accordance with a supplier-side privacy disclosure level pertaining to a real estate transaction; and a decision unit that decides an evaluation value of real estate information altered by the alteration unit.Type: GrantFiled: March 24, 2016Date of Patent: October 4, 2022Assignee: SONY CORPORATIONInventor: Takuya Fujita