Patents by Inventor Takayuki Yamamoto
Takayuki 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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Patent number: 11827199Abstract: A vehicle brake device includes a stroke simulator, a stroke sensor, and a brake start determination unit. The stroke simulator includes a cylinder, a piston, an orifice, and a pressure sensor. The cylinder defines a liquid pressure chamber to which a brake liquid is supplied via a fluid path. The piston slides in the cylinder by the brake liquid supplied to the liquid pressure chamber. The orifice is formed in the fluid path. The pressure sensor detects a reaction pressure. The stroke sensor is configured to detect the stroke. The brake start determination unit determines an operation of the brake operation member has been started in a case where the reaction pressure detected by the pressure sensor becomes equal to or greater than a first threshold value and the stroke detected by the stroke sensor becomes equal to or greater than a second threshold value.Type: GrantFiled: November 6, 2018Date of Patent: November 28, 2023Assignee: ADVICS CO., LTD.Inventors: Tatsushi Kobayashi, Tomotaka Asano, Yasuhito Ishida, Ryosuke Endo, Takayuki Yamamoto
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Publication number: 20230330898Abstract: A laminate molding system in which three or more press devices are continuously provided and a laminate molded article is sequentially pressure-molded. The laminate molding system includes first, second and third press devices. The first press device includes a pressure reducable chamber and a pressurizing surface formed of an elastic body sheet or a pressurizing surface formed of an elastic body sheet, the laminate molded article being pressurized by a driving force of a servomotor. The second press device includes a pressurizing surface formed of a metal press plate, the laminate molded article being pressurized by a driving force of a servomotor. The third press device includes a pressurizing surface formed of a metal press plate, the laminate molded article being pressurized by a driving force of a servomotor.Type: ApplicationFiled: September 7, 2022Publication date: October 19, 2023Inventors: Takayuki YAMAMOTO, Keiichirou SUGISAKI, Kenji FUKUMOTO, Naoki UEDA
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Publication number: 20230295837Abstract: There is provided a technique that includes: (a) forming a modified layer by modifying at least a portion of an oxide film of a substrate by performing, a predetermined number of times: (a1) supplying a fluorine-containing gas to the substrate including the oxide film; and (a2) supplying a first reducing gas to the substrate; and (b) supplying the fluorine-containing gas to the substrate after the modified layer is formed.Type: ApplicationFiled: September 15, 2022Publication date: September 21, 2023Applicant: Kokusai Electric CorporationInventors: Kaichiro MINAMI, Naonori AKAE, Akito HIRANO, Sadayasu SUYAMA, Takayuki YAMAMOTO, Shunsuke ASAKURA, Yugo ORIHASHI, Yasuhiro MEGAWA
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Patent number: 11718181Abstract: A vehicle includes a regenerative generator on a front wheel. A braking control device includes an actuator that applies a front wheel torque and a rear wheel torque, and a controller that individually adjusts the front wheel torque and the rear wheel torque. The controller is configured to determine the front wheel torque and the rear wheel torque to zero when a regenerative braking force Fg generated by the regenerative generator has not reached a maximum regenerative force Fx which is a generatable maximum value. On the other hand, the controller is configured to increase the rear wheel torque from zero before increasing the front wheel torque from zero when the regenerative braking force Fg reaches the maximum regenerative force Fx.Type: GrantFiled: February 5, 2019Date of Patent: August 8, 2023Assignee: ADVICS CO., LTD.Inventors: Takayuki Yamamoto, Hiroyuki Kodama, Hiroyuki Ando
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Publication number: 20230099171Abstract: An L10 type iron-nickel (FeNi) ordered alloy has an L10 type ordered structure and contains sulfur. The L10 type FeNi ordered alloy may have a sulfur content in a range from 0.01% by mass to 10% by mass. A manufacturing method of an L10 type FeNi ordered alloy includes performing a nitriding treatment to an FeNi alloy containing sulfur to obtain a nitride containing Fe and Ni.Type: ApplicationFiled: September 22, 2022Publication date: March 30, 2023Inventors: Hiroaki KURA, Takahiro NISHIO, Eiji WATANABE, Yoshiaki HAYASHI, Takayuki YAMAMOTO, Hisashi MAEHARA, Takanori MATSUNO
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Patent number: 11530631Abstract: An engine oil state control device for controlling a fuel mixture ratio of a fuel mixed in an engine oil of an engine on which a predetermined combustion control is performed includes comprising a fuel mixture ratio acquisition part configured to acquire the fuel mixture ratio, and an oil temperature rise control part configured to perform an oil temperature rise control for increasing an evaporation rate of the fuel mixed in the engine oil if the fuel mixture ratio is equal to or greater than a first threshold.Type: GrantFiled: October 27, 2017Date of Patent: December 20, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Takayuki Yamamoto, Takuya Kumagai, Tomohide Yamada, Kazuki Nishizawa
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Publication number: 20220332115Abstract: A liquid discharge head includes a head body, a plurality of driver ICs, a flexible substrate, and a wiring board. The head body includes a discharge hole configured to discharge a liquid. The plurality of driver ICs controls drive of the head body. The plurality of driver ICs are mounted at the flexible substrate, and the flexible substrate is electrically connected to the head body. The wiring board includes a plurality of connectors. In addition, the flexible substrate includes: a plurality of protruding portions configured to protrude in the same direction and each including a tip portion to be inserted into corresponding one of the plurality of connectors; and a slit formed between the protruding portions adjacent to each other and extending up to a region between the driver ICs adjacent to each other.Type: ApplicationFiled: September 16, 2020Publication date: October 20, 2022Inventors: Yasuhiko FUKUDA, Takayuki YAMAMOTO
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Publication number: 20220314812Abstract: A braking control device is applied to, for example, a vehicle in which a regenerative braking force is generated on a front wheel by a regenerative generator provided on the front wheel. The braking control device includes an actuator configured to individually generate a front wheel friction braking force on the front wheel and a rear wheel friction braking force Fmr on a rear wheel of the vehicle; and a braking controller configured to control the actuator. In the braking control device, the braking controller is configured to regulate the front and rear wheel friction braking forces based on a normative regenerative force corresponding to a rotation speed equivalent value equivalent to a rotation speed of the regenerative generator.Type: ApplicationFiled: July 28, 2020Publication date: October 6, 2022Applicant: ADVICS CO., LTD.Inventors: Takayuki YAMAMOTO, Kazutoshi YOGO
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Patent number: 11407392Abstract: The braking device for vehicles includes a reduction amount setting part for setting the amount by which to reduce the revolution of a pump motor during maintenance or reduction of controllable differential pressure so that the reduction amount decreases as the probability increases of needing to discharge the brake fluid by pumps, during a period from when a brake controller begins reducing the revolution until the lapse of prescribed time.Type: GrantFiled: September 5, 2018Date of Patent: August 9, 2022Assignee: ADVICS CO., LTD.Inventors: Ken Kuzuya, Yasuhito Ishida, Tomotaka Asano, Takayuki Yamamoto
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Patent number: 11377082Abstract: A braking control device includes a master unit including a master chamber connected to a front wheel cylinder and a servo chamber that applies forward force opposing a reverse force applied to a master piston by the master chamber to the master piston, a pressure adjustment unit that adjusts brake fluid discharged by a pump to a first liquid pressure by a first solenoid valve and introduces the first liquid pressure to a rear wheel cylinder, and adjusts the first liquid pressure to decrease to a second liquid pressure by a second solenoid valve and introduces the second liquid pressure to the servo chamber; and a regenerative coordination unit having an input piston operable in conjunction with a braking operation member and an input cylinder fixed to the master cylinder, and in which a gap between the master piston and the input piston is controlled by the second liquid pressure.Type: GrantFiled: February 5, 2019Date of Patent: July 5, 2022Assignee: ADVICS CO., LTD.Inventors: Takayuki Yamamoto, Hiroyuki Kodama, Hiroyuki Ando
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Patent number: 11364805Abstract: A brake control mounted in a vehicle equipped with a regenerative generator on either the front wheels or the rear wheels including a first pressure adjusting unit that adjusts a liquid pressure generated by a first electric motor to a first liquid pressure and provides the first liquid pressure to wheel cylinders of wheels on one side; and a second pressure adjusting unit that is configured by a fluid pump, which is driven by a second electric motor, and a pressure adjusting valve, and that performs adjustment to increase the first liquid pressure to a second liquid pressure and provides the second liquid pressure to wheel cylinders of wheels on the other side.Type: GrantFiled: September 26, 2018Date of Patent: June 21, 2022Assignee: AD VICS CO., LTD.Inventor: Takayuki Yamamoto
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Patent number: 11364890Abstract: A braking device includes: a reservoir; a master cylinder in which when the amount of operation performed on a brake pedal reaches or exceeds a predetermined amount, a port communicating between a pressure chamber and the reservoir is cut off and hydraulic pressure corresponding to the brake pedal operation amount is generated; a hydraulic pressure unit for adjusting the wheel cylinder hydraulic pressure; and a control unit for controlling the hydraulic pressure unit. The control unit determines, based on a temperature-related value related to the temperature of a friction member pressed by the wheel cylinder hydraulic pressure against a rotating member fixed to a wheel, whether the friction member is in a fade state. When the friction member is in a fade state, the control unit controls the hydraulic pressure unit to suction brake fluid from the reservoir through the port, and is fed to the wheel cylinder.Type: GrantFiled: March 28, 2017Date of Patent: June 21, 2022Assignee: ADVICS CO., LTD.Inventors: Yasuhito Ishida, Tatsushi Kobayashi, Takayuki Yamamoto
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Patent number: 11325576Abstract: A braking control device includes a first adjustment unit, a master unit, a regenerative coordination unit, a first opening/closing valve, a second opening/closing valve, a reaction force hydraulic pressure sensor, an input hydraulic pressure sensor, a controller. The master unit includes a master cylinder and a master piston, a master chamber, a servo chamber, and a reaction force chamber. The regenerative coordination unit includes an input piston. The first opening/closing valve provided in a first fluid passage. The second opening/closing valve provided in a second fluid passage. The reaction force hydraulic pressure sensor detects a pressure in the reaction force chamber. The input hydraulic pressure sensor detects a pressure in the input cylinder.Type: GrantFiled: October 17, 2018Date of Patent: May 10, 2022Assignee: ADVICS CO., LTD.Inventors: Takayuki Yamamoto, Hiroyuki Kodama
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Patent number: 11299135Abstract: A brake control device including a pressure adjusting unit including an electric pump and an electromagnetic valve, and that adjusts, using the electromagnetic valve, a brake liquid discharged by the electric pump to an adjusted liquid pressure and introduces the adjusted liquid pressure to the wheel cylinders of the rear wheels; and a master unit that includes a master cylinder and a master piston, and that includes a master chamber connected to the wheel cylinders of the front wheels and a servo chamber to which the adjusted liquid pressure is introduced and which provides, to the master piston, an advancing force that opposes a retreating force applied to the master piston by the master chamber.Type: GrantFiled: September 26, 2018Date of Patent: April 12, 2022Assignee: ADVICS CO., LTD.Inventors: Takayuki Yamamoto, Hiroyuki Kodama, Hiroyuki Ando
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Patent number: 11232336Abstract: A printer apparatus that operates with power supplied by a power supply device includes: a printing unit that performs printing; a communication unit that is connected by USB to an external apparatus and supplies the power to the external apparatus; and a print control unit that causes the printing unit to perform printing in accordance with a print command received by the communication unit. When the printing unit performs the printing, the print control unit causes the communication unit to transmit a power-saving-enabling instruction that instructs the external apparatus to enter a power saving state.Type: GrantFiled: January 28, 2020Date of Patent: January 25, 2022Inventor: Takayuki Yamamoto
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Patent number: 11204724Abstract: A printing system includes a terminal device that generates print job data, and a child printer that is configured to communicate with a parent printer that receives the print job data from the terminal device, where the child printer is configured to perform printing based on the print job data. The terminal device stores the generated print job data and transmits, to the parent printer, print job related data including the stored print job data and a plurality of pieces of access information for accessing the terminal device. The child printer requests a transmission of the print job data from the terminal device based on the plurality of pieces of access information included in the print job related data received by the parent printer.Type: GrantFiled: June 12, 2020Date of Patent: December 21, 2021Assignee: Seiko Epson CorporationInventors: Kazuki Ohashi, Shinsuke Kubota, Takayuki Yamamoto
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Publication number: 20210362698Abstract: A braking control device includes an upstream mechanism control unit, a determination unit, and a control unit. The upstream mechanism control unit is configured to feedback control the upstream mechanism in such a manner that a detected hydraulic pressure detected by a hydraulic pressure sensor is brought to an upstream target hydraulic pressure. The hydraulic pressure sensor detects a hydraulic pressure of the hydraulic pressure circuit. The determination unit is configured to determine, based on the detected hydraulic pressure by the hydraulic pressure sensor, whether hydraulic pressure hunting is occurring. The control unit is configured to control the downstream mechanism based on the upstream target hydraulic pressure and the target wheel pressure in a case where the determination unit determines that the hydraulic pressure hunting is occurring.Type: ApplicationFiled: September 5, 2018Publication date: November 25, 2021Applicant: ADVICS CO., LTD.Inventors: Yasuhito ISHIDA, Kunihiro NISHIWAKI, Tatsushi KOBAYASHI, Tomotaka ASANO, Ken KUZUYA, Takayuki YAMAMOTO
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Patent number: 11180123Abstract: This vehicle control system is provided with an input monitoring unit and a determination time changing unit. When a state in which first target data is not input to a second control unit continues for a first determination time or longer, the input monitoring unit determines the first target data to be in a non-input state. When a state in which second target data is not input to the second control unit continues for a second determination time or longer, the input monitoring unit determines the second target data to be in a non-input state. When the first target data is determined to be in a non-input state, the determination time changing unit shortens the second determination time.Type: GrantFiled: January 10, 2018Date of Patent: November 23, 2021Assignee: ADVICS CO., LTD.Inventors: Yasuhito Ishida, Takayuki Yamamoto
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Patent number: 11155254Abstract: A braking device includes a stroke simulator, a hydraulic pressure generation unit, a reaction hydraulic pressure detection unit, a master hydraulic pressure detection unit, and a bottoming determination unit. The stroke simulator includes a cylinder and a piston slidably movable inside the cylinder in conjunction with an operation of a brake operation member. The stroke simulator causes a reaction force chamber to generate a reaction hydraulic pressure and applies a reaction force. The hydraulic pressure generation unit generates a master hydraulic pressure by driving a master piston and supplies a hydraulic pressure to a wheel cylinder. The reaction hydraulic pressure detection unit detects the reaction hydraulic pressure. The master hydraulic pressure detection unit detects the master hydraulic pressure. The bottoming determination unit determines whether the master piston is in a bottoming state based on the reaction hydraulic pressure and the master hydraulic pressure.Type: GrantFiled: October 4, 2017Date of Patent: October 26, 2021Assignee: ADVICS CO., LTD.Inventors: Kunihiro Nishiwaki, Takayuki Yamamoto, Yasuhito Ishida, Tatsushi Kobayashi
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Patent number: D945798Type: GrantFiled: March 16, 2020Date of Patent: March 15, 2022Assignee: Okamura CorporationInventor: Takayuki Yamamoto