Patents by Inventor Takashi Fujita
Takashi 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: 20250149346Abstract: A method of forming an electromagnetic-wave shield includes forming a conductive layer and forming an insulating layer. The forming the conductive layer forms a conductive layer having a plurality of openings onto an upper face and a side face of a surface of an object. The forming the insulating layer forms an insulating layer that is continuous from a surface of the conductive layer to the surface of the object through the plurality of openings and adheres to the surface of the object.Type: ApplicationFiled: March 13, 2023Publication date: May 8, 2025Inventors: Hideo NAKAMORI, Tomoo FUKUDA, Yukihiro WAKABAYASHI, Kohji TAKEUCHI, Yohei SHIREN, Takashi FUJITA, Hiroyuki HIRATSUKA, Asato TAMURA, Tohru HASEGAWA
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Patent number: 12292095Abstract: A torsional-vibration reducing device includes: an input rotation member, an output rotation member, a coil spring which mitigates torque fluctuation generated at an input side and transmits power to an output side, a spring retaining portion provided on at least one of the input rotation member and the output rotation member and configured to support the coil spring, and a hole formed at a position corresponding to the spring retaining portion in an outer diameter direction with respect to a rotation center line.Type: GrantFiled: May 11, 2021Date of Patent: May 6, 2025Assignee: VALEO KAPEC JAPAN KKInventors: Kiyoshi Yamamoto, Takashi Fujita, Hiroki Yanagisawa
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Patent number: 12286171Abstract: A steering control device includes a controller configured to control driving of a motor that generates a torque. The torque is a torque applied to a steering mechanism of a vehicle using electric power from at least any one of an in-vehicle main power source and an auxiliary power source that backs up the main power source. The controller is configured to wait for the auxiliary power source to be charged to an extent that the main power source is able to be backed up and to permit the vehicle to travel when the controller is activated with an activation operation for the vehicle as a trigger and transitions to a state where control of the motor is executable.Type: GrantFiled: October 20, 2022Date of Patent: April 29, 2025Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Koudai, Yuji Fujita, Yugo Nagashima, Yuuta Kajisawa, Kazuma Hasegawa, Yosuke Yamashita, Shintaro Takayama
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Patent number: 12286194Abstract: A sprocket support body comprises at least ten external spline teeth including a plurality of external-spline driving surfaces. The plurality of external-spline driving surfaces each includes a radially outermost edge, a radially innermost edge, and a radial length. A total of the radial lengths of the plurality of external-spline driving surfaces is equal to or larger than 7 mm. At least one external-spline driving surface has a first external-spline-surface angle. The first external-spline-surface angle ranges from 0 degree to 10 degrees. One tooth of the at least ten external spline teeth having a first circumferential spline size. The other teeth of the at least ten external spline teeth each have a second circumferential spline size that is smaller than the first circumferential spline size. A total number of the other teeth of the at least ten external spline teeth being equal to or larger than nine.Type: GrantFiled: July 13, 2021Date of Patent: April 29, 2025Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Kazuki Koshiyama, Takashi Nakanishi
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Publication number: 20250116551Abstract: In a signal processing circuit, an input terminal is configured to receive an analog signal output from an avalanche photodiode operating in Geiger mode. A comparison circuit outputs a signal based on a component exceeding a threshold among components a signal input to the comparison circuit. The adjustment circuit includes an AC coupling unit, a level shifter unit, and a reference value adjustment unit. The AC coupling unit establishes AC coupling between the input terminal and the comparison circuit. The level shifter unit adjusts the voltage of the signal input to the comparison circuit to a value lower than a reverse bias voltage applied to the avalanche photodiode. The reference value adjustment unit adjusts the reference value of the signal input to the comparison circuit.Type: ApplicationFiled: January 27, 2023Publication date: April 10, 2025Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Riku SHIMADA, Takuya FUJITA, Takashi BABA, Shunsuke ADACHI, Shinya IWASHINA
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Patent number: 12271104Abstract: A light-source device, an image projection apparatus, and a display device. The light-source device includes a light source to emit light, an optical element having a lens array on one side or both sides of which a plurality of lenses are arrayed with distance from each other, the distance between a pair of vertices of an adjacent pair of the plurality of lenses of the optical element being equal to or less than one-quarter of width of light flux of the light incident on the optical element, and a wavelength conversion element to convert a wavelength of the light emitted from the light source and passed through the optical element. An image projection apparatus includes the light-source device, a light mixing element to mix the light emitted from the light-source device to uniformize the light, and an illumination optical system to emit the light uniformized by the light mixing element.Type: GrantFiled: September 16, 2022Date of Patent: April 8, 2025Assignee: RICOH COMPANY, LTD.Inventors: Yohei Takano, Makoto Hirakawa, Kazuhiro Fujita, Takashi Sasaki
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Patent number: 12263897Abstract: A steering control system that controls a steering device of a vehicle includes a storage unit, and a control unit configured to make a state transition to a normal control state via a start-up state after a power source system of the vehicle is started. In the start-up state, the control unit executes a correction information storing process of acquiring correction element information using a state variable obtained from the steering device and writing correction information obtained based on the correction element information into the storage unit. In the start-up state, the control unit is configured to execute an abnormal condition determination process of determining whether an abnormal condition indicating that the correction information is abnormal is met. The correction information storing process is re-executed when the abnormal condition is met. The abnormal condition determination process is executed at least either before or after the correction information storing process.Type: GrantFiled: July 14, 2023Date of Patent: April 1, 2025Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Takashi Koudai, Yuji Fujita, Yugo Nagashima, Kazuma Hasegawa, Yuuta Kajisawa, Masaharu Yamashita, Atsushi Satou, Yosuke Yamashita, Kazuaki Iida, Shintaro Takayama, Takeshi Iwana, Toyohiro Hayashi, Hayaki Tanabe, Nobuyori Nakajima, Hiroki Tomizawa
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Publication number: 20250106957Abstract: An oscillator (1) according to the present disclosure generates output power, and provides a microwave that is in accordance with the output power as an output wave. The oscillator (1) includes a signal generator (10), a power amplifier (20), and a temperature sensor (40). The signal generator (10) generates an oscillation signal. The power amplifier (20) includes a final stage device (22), and amplifies the oscillation signal to generate the output power. The temperature sensor (40) detects a temperature of the final stage device (22). The final stage device (22) is packaged. The temperature sensor (40) is disposed in a package (200) that includes the final stage device (22).Type: ApplicationFiled: January 11, 2023Publication date: March 27, 2025Inventors: HIDETAKA SUGAYA, TAKASHI UNO, SHOZO FUJIWARA, HIKARU IKEDA, SHIZUO FUJITA, KATSUTOSHI FUKUDA
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Patent number: 12247870Abstract: 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 18, 2023Date of Patent: March 11, 2025Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Takuya Fujita, Yusei Tamura, Kenji Makino, Takashi Baba, Koei Yamamoto
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Publication number: 20250074206Abstract: The motor control unit reduces the drive braking torque for applying the braking force to the drive wheel by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest, and the friction braking unit increases a friction braking force applied to the drive wheel by the friction braking device so that the friction braking force exceeds the braking force provided by the drive braking torque by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest.Type: ApplicationFiled: May 3, 2022Publication date: March 6, 2025Applicants: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masakatsu SHIGYOH, Takashi SATOU, Takuto SUZUKI, Kensuke UEDA, Yoshitaka FUJITA, Tomohiro YAMASHITA, Masao YANO, Sota UKAI
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Publication number: 20250073964Abstract: A molding material of the present disclosure includes cellulose fibers, a resin melting at 200° C. or lower, and polyurethane, the molding material having complex viscosity at 180° C. of 3000 Pa·s or more and 147000 Pa·s or less. The resin is preferably at least one selected from the group consisting of polypropylene and polylactic acid.Type: ApplicationFiled: August 29, 2024Publication date: March 6, 2025Inventors: Masaaki AOTA, Tomohiro FUJITA, Takashi HIRAIWA
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Patent number: 12240339Abstract: A power supply device includes a driving control device and an auxiliary control device, the vehicle including a main power source, an auxiliary power source, and a supply path, the supply path being a path configured to be opened and closed according to a state of a start switch of the vehicle. The driving control device is a device that controls a state of equipment installed in the vehicle and the auxiliary control device is a device that controls a state of the auxiliary power source. The driving control device is configured to execute a storage process, a permission signal transmission process, and an initial value process, and the auxiliary control device is configured to execute a permission signal reception process and a stop process.Type: GrantFiled: June 22, 2023Date of Patent: March 4, 2025Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Yuuta Kajisawa, Yuji Fujita, Yugo Nagashima, Kazuma Hasegawa, Takashi Koudai, Masaharu Yamashita, Atsushi Satou, Yosuke Yamashita, Kazuaki Iida, Hiroyuki Katayama, Shintaro Takayama, Toyohiro Hayashi, Takeshi Iwana, Hayaki Tanabe, Nobuyori Nakajima, Hiroki Tomizawa
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Patent number: 12240546Abstract: A steering control device includes a control unit. The control unit is configured to execute a control angle calculation process, an angle feedback process, and a standard value adjustment process. The control angle calculation process is a process of calculating a control angle as an absolute angle relative to a standard value, and the angle feedback process is a process of performing feedback control on the control angle, and the standard value adjustment process is a process of adjusting the stored standard value. The standard value adjustment process includes a process of, when, in a straight-ahead state, the control angle deviates from a value showing the straight-ahead state, adjusting the standard value such that the deviation of the control angle from the value showing the straight-ahead state decreases.Type: GrantFiled: January 19, 2023Date of Patent: March 4, 2025Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Koudai, Yuji Fujita, Yugo Nagashima, Kazuma Hasegawa, Yuuta Kajisawa, Shintaro Takayama, Hiroyuki Katayama, Yosuke Yamashita, Masaharu Yamashita
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Publication number: 20250069818Abstract: Provided are a method for producing a polymer dispersion for a solid electrolytic capacitor which enables production of a solid electrolytic capacitor having a large capacitance and a low equivalent series resistance, and a method for producing a solid electrolytic capacitor using the polymer dispersion. The method for producing a polymer dispersion for a solid electrolytic capacitor according to the present invention includes a step (1) of polymerizing a monomer as a constitutional unit of a conjugated conductive polymer in a liquid containing at least one of a seed particle with protective colloid formed of a polyanion and a polyanion to obtain a polymer-containing liquid; a step (2) of performing a first dispersion treatment on the polymer-containing liquid to obtain a dispersion (a); and a step (3) of adding an electric conductivity improver to the dispersion (a), and performing a second dispersion treatment to obtain a dispersion (b).Type: ApplicationFiled: September 20, 2022Publication date: February 27, 2025Applicant: Resonac CorporationInventors: Hiroki YAMADA, Miyo FUJITA, Takashi OKUBO
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Patent number: 12233972Abstract: A control device for a vehicle includes a plurality of control circuits configured to control a control object by starting in response to powering-on of a vehicle and to perform power latch control for continuing to be supplied with electric power in a predetermined period in response to powering-off of the vehicle. Each of the control circuits is configured to perform starting after all of the control circuits have recognized the powering-on of the vehicle in a case where the vehicle is powered on while the power latch control is being performed after the vehicle has been powered off.Type: GrantFiled: October 14, 2022Date of Patent: February 25, 2025Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Yugo Nagashima, Yuji Fujita, Kazuma Hasegawa, Yuuta Kajisawa, Takashi Koudai, Masaharu Yamashita, Yosuke Yamashita, Shintaro Takayama, Kazuaki Iida, Hiroyuki Katayama, Hiroki Tomizawa, Nobuyori Nakajima
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Patent number: 12227644Abstract: The present invention relates to a polyamide resin composition that is excellent in mechanical characteristics, bonding properties and calcium chloride resistance and is suitably bonded to an acid-modified polyolefin, wherein the polyamide resin composition includes 70 to 99 mass % of an aliphatic polyamide resin (A) having an amino group concentration of 46 to 110 ?mol/g, 0 to 18 mass % of an aromatic polyamide resin (B), 0.01 to 0.50 mass % of a polyalkylene glycol alkyl ether (C), 0.01 to 0.50 mass % of a polyolefin wax (D) and 0 to 22.98 mass % of a component (E) other than (A) to (D), and the total of (A) to (E) is 100 mass %, and wherein the acid-modified polyolefin having an amount of acid modification of 8 to 100 ?mol/g.Type: GrantFiled: March 19, 2021Date of Patent: February 18, 2025Assignee: UBE CORPORATIONInventors: Tetsuya Yasui, Akane Sakamoto, Yuki Suedomi, Hitoshi Kodama, Kosuke Oishi, Takashi Kumagai, Mikako Fujita
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Publication number: 20250044003Abstract: A ventilation apparatus includes a compressor; a first heat exchanger configured to function as a condenser or an evaporator; a first air flow path configured to supply air taken in from outdoors to an indoor space after passing through the first heat exchanger; a second heat exchanger configured to function as a condenser or an evaporator; a second air flow path configured to exhaust air taken in from the indoor space to the outdoors after passing through the second heat exchanger; a refrigerant circuit through which a refrigerant flows, the refrigerant circuit being connected to the compressor, the first heat exchanger, and the second heat exchanger by a refrigerant pipe; and a control unit configured to guide a flow of air in the indoor space to the second heat exchanger when the second heat exchanger is determined to be in a frosted state, to increase a temperature of the second heat exchanger, and configured to output a predetermined instruction to an actuator configured to control a state of the refrigeType: ApplicationFiled: December 8, 2022Publication date: February 6, 2025Inventors: Shota TSURUZONO, Takashi TAKAHASHI, Tsunahiro ODO, Nobuki MATSUI, Yoshiki YAMANOI, Naotoshi FUJITA, Takuya HANADA, Yuta IYOSHI, Kumiko SAEKI, Takeru MIYAZAKI, Toshiyuki MAEDA, Tetsuya OKAMOTO
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Patent number: 12214830Abstract: A steering control device includes a control circuit configured to control driving of a reaction force motor that generates steering reaction force applied to a steering wheel in which power transmission with turning wheels of a vehicle is separated. When a vehicle power source is turned on, the control circuit requests a vehicle control device to stop traveling of the vehicle when information is exchanged with the vehicle control device in a manner that does not follow a predetermined pattern.Type: GrantFiled: October 26, 2022Date of Patent: February 4, 2025Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Yugo Nagashima, Yuji Fujita, Yuuta Kajisawa, Kazuma Hasegawa, Takashi Koudai, Masaharu Yamashita, Yosuke Yamashita, Shintaro Takayama, Hiroki Tomizawa
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Patent number: 12214831Abstract: A turning control device includes a precursor detection circuit configured to detect a precursor of an abnormality by which a smooth operation of a turning device is impaired. The precursor detection circuit is configured to start measurement of a total running time of a vehicle when the precursor is detected, and is configured to execute a process of reporting the precursor, based on the measured total running time. The precursor detection circuit is configured to perform the measurement of the total running time regardless of whether the precursor is detected again, when a vehicle electric power source is switched off and then is switched on again after the precursor is detected once.Type: GrantFiled: January 24, 2023Date of Patent: February 4, 2025Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takashi Koudai, Yuji Fujita, Yugo Nagashima, Kazuma Hasegawa, Yuuta Kajisawa, Masaharu Yamashita, Yosuke Yamashita, Kazuaki Iida, Shintaro Takayama
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Publication number: 20250029930Abstract: An interposer including an inner layer structure including at least one inner wiring layer; a first outer layer structure disposed on a first surface of the inner layer structure, the first outer layer structure having rigidity higher than the inner layer structure; and a second outer layer structure disposed on a second surface of the inner layer structure, the second outer layer structure having rigidity higher than the inner layer structure, the inner wiring layer includes wiring disposed on a surface of a first insulating resin layer, which is a photosensitive insulating resin, and a conductive member connected to the wiring and penetrating the first insulating resin layer, the first outer layer structure includes a second insulating resin layer and a conductive member penetrating the second insulating resin layer, the second outer layer structure includes a third insulating resin layer and a conductive member penetrating the third insulating resin layer.Type: ApplicationFiled: August 14, 2024Publication date: January 23, 2025Applicant: TOPPAN HOLDINGS INC.Inventors: Fusao TAKAGI, Masahiro KOSUGI, Takashi FUJITA, Shuji KIUCHI