Patents by Inventor Yoshikazu Yamamoto
Yoshikazu 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: 11969830Abstract: An aluminum alloy brazing sheet including a core material, a sacrificial material provided on one surface of the core material, a brazing filler material provided on the other surface side of the core material, and an intermediate layer provided between the core material and the brazing filler material. The core material contains Si: 0.30 to 1.00 mass %, Mn: 0.50 to 2.00 mass %, Cu: 0.60 to 1.20 mass %, Mg: 0.05 to 0.80 mass %, and Al. The sacrificial material contains Si: 0.10 to 1.20 mass %, Zn: 2.00 to 7.00 mass %, Mn: 0.40 mass % or less, and Al. The intermediate layer contains Si: 0.05 to 1.20 mass %, Mn: 0.50 to 2.00 mass %, Cu: 0.10 to 1.20 mass %, and Al.Type: GrantFiled: January 29, 2021Date of Patent: April 30, 2024Assignee: Kobe Steel, Ltd.Inventors: Tatsuki Hashimoto, Kenichiro Yoshida, Yuji Shibuya, Akihiro Tsuruno, Yoshikazu Miyano, Hajime Sugito, Michiyasu Yamamoto, Masayuki Makita, Arisu Fujii, Shin Takewaka, Hayaki Teramoto, Koichi Yamamoto, Toshihide Ninagawa
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Patent number: 11961989Abstract: A control method for a fuel cell system, the fuel cell system including a hydrogen storage part and a fuel cell stack that generates electric power using hydrogen supplied from the hydrogen storage part, the fuel cell system being mounted on a towed portion of a moving body that includes the towed portion and a towing portion, the fuel cell system being electrically connected to the towing portion, the towing portion including a battery and a drive device performing driving in response to supply of electric power, the towed portion being towed by the towing portion, the control method includes: acquiring remaining amount information indicating a remaining amount of the battery, and starting supply of electric power to the towing portion when it is determined that the remaining amount of the battery is equal to or less than a threshold based on the remaining amount information.Type: GrantFiled: November 4, 2021Date of Patent: April 16, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Yoshikazu Murakami, Shinji Matsunaga, Takashi Arai, Akiji Ando, Takashi Yanagiura, Kazunori Yamamoto
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Patent number: 11929301Abstract: A package has a cavity to be sealed by a lid. The package includes a heat sink having a coefficient of thermal expansion of 9 ppm/° C. or more and 15 ppm/° C. or less from 25° C. to 100° C. and a frame disposed on the heat sink, made of ceramics, and surrounding the cavity in plan view. An outer edge of the frame includes a first linear portion extending along a first direction, a second linear portion extending along a second direction orthogonal to the first direction, and a chamfer connecting the first linear portion and the second linear portion in plan view.Type: GrantFiled: March 22, 2022Date of Patent: March 12, 2024Assignees: NGK ELECTRONICS DEVICES, INC., NGK INSULATORS, LTD.Inventors: Naoya Shirai, Yoshikazu Mihara, Noriyasu Yamamoto
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Patent number: 11702101Abstract: A computer implemented method for scenario generation for autonomous vehicle navigation that can include defining a cellular automaton layer that defines a road network level behavior with at least one rule directed to pathways by vehicles on a passageway for travel. The method may further include defining an active matter layer that defines a vehicle level behavior with at least one rule directed to movement of the vehicles on an ideal route for the pathways; and defining a driver agent layer that defines driving nature with at least one rule that impacts changes in the vehicle level behavior dependent upon a characterization of driver behavior. The method may further include combining outputs from the different layer to provide scenario generations for autonomous vehicle navigation. The combining of the outputs can utilize a pseudo random value to determine at an order in the execution and duration of execution for the layers.Type: GrantFiled: February 28, 2020Date of Patent: July 18, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Kentaro Aota, Yoshifumi Sakamoto, Hitoshi Kadoi, Yoshikazu Yamamoto, Masao Kasuya, Junya Nishina
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Publication number: 20230119444Abstract: The steam generation device includes a steam generation container, a lid portion, and a water level sensor. The steam generation container heats water. The lid portion covers an upper opening portion of the steam generation container. The water level sensor detects a water level in the steam generation container. The water level sensor includes a first electrode rod, a second electrode rod, a bracket, and silicone rubber. The first electrode rod is fixed to the lid portion in a state where the first electrode rod penetrates the lid portion. The bracket is configured integrally with the second electrode rod, inserted into an opening portion provided in the lid portion, and fixed to a peripheral edge portion of the opening portion. The silicone rubber is interposed between the bracket and the lid portion.Type: ApplicationFiled: August 15, 2022Publication date: April 20, 2023Inventors: MASAYUKI UNO, Yoshikazu YAMAMOTO
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Publication number: 20210269058Abstract: A computer implemented method for scenario generation for autonomous vehicle navigation that can include defining a cellular automaton layer that defines a road network level behavior with at least one rule directed to pathways by vehicles on a passageway for travel. The method may further include defining an active matter layer that defines a vehicle level behavior with at least one rule directed to movement of the vehicles on an ideal route for the pathways; and defining a driver agent layer that defines driving nature with at least one rule that impacts changes in the vehicle level behavior dependent upon a characterization of driver behavior. The method may further include combining outputs from the different layer to provide scenario generations for autonomous vehicle navigation. The combining of the outputs can utilize a pseudo random value to determine at an order in the execution and duration of execution for the layers.Type: ApplicationFiled: February 28, 2020Publication date: September 2, 2021Inventors: Kentaro Aota, Yoshifumi Sakamoto, Hitoshi Kadoi, Yoshikazu Yamamoto, Masao Kasuya, Junya Nishina
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Patent number: 10989123Abstract: A blowback air amount is an amount of air that is part of the air that has flowed into a combustion chamber and is blown back into an intake passage before an intake valve closes. If the blowback air amount increases, a controller causes a fuel injection valve to inject fuel by an amount increased with respect to a fuel amount for a case in which the blowback air amount remains constant. The controller sets an increase amount of fuel injected from the fuel injection valve to a greater value when the stoichiometric air-fuel ratio of the fuel injected from the fuel injection valve is small than when the stoichiometric air-fuel ratio of the fuel injected from the fuel injection valve is great.Type: GrantFiled: July 30, 2019Date of Patent: April 27, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshikazu Yamamoto, Kazuya Ohshima, Masaya Kubo, Yuichiroh Yamanaka
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Publication number: 20200063666Abstract: A blowback air amount is an amount of air that is part of the air that has flowed into a combustion chamber and is blown back into an intake passage before an intake valve closes. If the blowback air amount increases, a controller causes a fuel injection valve to inject fuel by an amount increased with respect to a fuel amount for a case in which the blowback air amount remains constant. The controller sets an increase amount of fuel injected from the fuel injection valve to a greater value when the stoichiometric air-fuel ratio of the fuel injected from the fuel injection valve is small than when the stoichiometric air-fuel ratio of the fuel injected from the fuel injection valve is great.Type: ApplicationFiled: July 30, 2019Publication date: February 27, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshikazu YAMAMOTO, Kazuya OHSHIMA, Masaya KUBO, Yuichiroh YAMANAKA
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Patent number: 10550792Abstract: A fuel injection control device for an engine includes an ECU. The ECU is configured to: change a port injection ratio in accordance with an operation state of the engine; execute correction of the total fuel injection amount by reflecting a correction amount in a basic fuel injection amount depending on the operation state when the port injection ratio is changed; and when the ECU changes the port injection ratio and calculates a second correction amount that is the correction amount having one of the positive and negative values during the execution of the correction based on a first correction amount that is the correction amount having the other one of the positive and negative values, limit reflection of the first correction amount in the basic injection amount.Type: GrantFiled: October 19, 2018Date of Patent: February 4, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaya Kubo, Kazuya Ohshima, Yoshikazu Yamamoto, Yuichiroh Yamanaka
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Publication number: 20190178195Abstract: A fuel injection control device for an engine includes an ECU. The ECU is configured to: change a port injection ratio in accordance with an operation state of the engine; execute correction of the total fuel injection amount by reflecting a correction amount in a basic fuel injection amount depending on the operation state when the port injection ratio is changed; and when the ECU changes the port injection ratio and calculates a second correction amount that is the correction amount having one of the positive and negative values during the execution of the correction based on a first correction amount that is the correction amount having the other one of the positive and negative values, limit reflection of the first correction amount in the basic injection amount.Type: ApplicationFiled: October 19, 2018Publication date: June 13, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaya KUBO, Kazuya OHSHIMA, Yoshikazu YAMAMOTO, Yuichiroh YAMANAKA
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Patent number: 10260449Abstract: A controller for an internal combustion engine includes a processing circuit configured to execute a calculating process that calculates a returned air amount and an operating process that operates a fuel injection valve so that an air-fuel ratio of a mixture that is burned in a combustion chamber is controlled to a target value. The operating process includes under a condition in which the returned air amount is increased, having the fuel injection valve inject fuel increased in amount from a constant fuel amount, which is an amount of fuel injected when the returned air amount is unchanged, and under a condition in which the returned air amount is decreased, having the fuel injection valve inject fuel decreased in amount from the constant fuel amount.Type: GrantFiled: April 23, 2018Date of Patent: April 16, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masanori Toya, Kazuya Oshima, Yoshikazu Yamamoto
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Publication number: 20180347502Abstract: A controller for an internal combustion engine includes a processing circuit configured to execute a calculating process that calculates a returned air amount and an operating process that operates a fuel injection valve so that an air-fuel ratio of a mixture that is burned in a combustion chamber is controlled to a target value. The operating process includes under a condition in which the returned air amount is increased, having the fuel injection valve inject fuel increased in amount from a constant fuel amount, which is an amount of fuel injected when the returned air amount is unchanged, and under a condition in which the returned air amount is decreased, having the fuel injection valve inject fuel decreased in amount from the constant fuel amount.Type: ApplicationFiled: April 23, 2018Publication date: December 6, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masanori TOYA, Kazuya OSHIMA, Yoshikazu YAMAMOTO
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Patent number: 10080262Abstract: A cooking device has, in a cooking chamber thereof, a cooking tray (91) which is to be placed in the heating chamber (2) so as to have a gap against a rear portion (2d) of the heating chamber (2) and on which a heating object (15) to be heated is to be mounted directly or indirectly, a rear blowoff port (29) which is provided in the rear portion (2d) of the heating chamber (2) so as to be positioned on an upper side of the gap and near a rear portion of the cooking tray (91) and which is communicated with a duct (18) so as to allow the heat medium to be blown off into the heating chamber (2), and a flow regulation structure (62) provided on a rear side of the rear blowoff port (29) and arranged to regulate a flow of the heat medium. The flow regulation structure (62) has, on a lower side thereof, a first guide surface (63) extending in a direction generally parallel to a horizontal direction.Type: GrantFiled: May 21, 2015Date of Patent: September 18, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsuya Mineoka, Shinya Kudo, Takushi Kishimoto, Yoshikazu Yamamoto, Kazuyuki Matsubayashi
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Patent number: 10079038Abstract: An optical disc device includes: an optical disc drive that reads data from a plurality of optical discs in which user data is recorded while distributed in the plurality of optical discs; a memory unit in which data read from an optical disc of a first group that is a part of the plurality of optical discs is recorded through the optical disc drive; and a controller that reproduces the user data from data of a remaining optical disc except for the first group, the data of the remaining optical disc being read through the optical disc drive, and the data recorded in the memory unit.Type: GrantFiled: September 28, 2017Date of Patent: September 18, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yoshikazu Yamamoto, Yoshihisa Takahashi, Atsushi Kiyomura
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Publication number: 20180108378Abstract: An optical disc device includes: an optical disc drive that reads data from a plurality of optical discs in which user data is recorded while distributed in the plurality of optical discs; a memory unit in which data read from an optical disc of a first group that is a part of the plurality of optical discs is recorded through the optical disc drive; and a controller that reproduces the user data from data of a remaining optical disc except for the first group, the data of the remaining optical disc being read through the optical disc drive, and the data recorded in the memory unit.Type: ApplicationFiled: September 28, 2017Publication date: April 19, 2018Inventors: Yoshikazu YAMAMOTO, Yoshihisa TAKAHASHI, Atsushi KIYOMURA
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Publication number: 20170278541Abstract: An information recording method of recording information is provided in an information recording medium having a plurality of recording layers including a first recording layer and a second recording layer located to be closer to a surface than the first recording layer, each of the plurality of recording layers includes a user data area for recording user data, a spare area for alternatively recording data of failed recording into the user data area, and a management information area for recording management information. The first recording layer is used as a recording object layer at start of recording. When any one of the user data area, the spare area, and the management information area of the first recording layer runs short of a free space, then the recording object layer of the user data area, the spare area, and the management information area is switched over to the second recording layer.Type: ApplicationFiled: November 21, 2016Publication date: September 28, 2017Inventors: Hisae KATO, Yoshikazu YAMAMOTO, Motoshi ITO
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Patent number: 9767844Abstract: An information recording method of recording information is provided in an information recording medium having a plurality of recording layers including a first recording layer and a second recording layer located to be closer to a surface than the first recording layer, each of the plurality of recording layers includes a user data area for recording user data, a spare area for alternatively recording data of failed recording into the user data area, and a management information area for recording management information. The first recording layer is used as a recording object layer at start of recording. When any one of the user data area, the spare area, and the management information area of the first recording layer runs short of a free space, then the recording object layer of the user data area, the spare area, and the management information area is switched over to the second recording layer.Type: GrantFiled: November 21, 2016Date of Patent: September 19, 2017Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Hisae Kato, Yoshikazu Yamamoto, Motoshi Ito
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Patent number: 9610554Abstract: Provided is a stirring apparatus that can drive a stirring body with a simple structure and without applying excessive force. The stirring apparatus is provided with: the stirring body, which is a two-circle roller having an axis of rotation and two stirring fins; first and second drive shafts with axial centers not matching the axis rotation; a first shaft coupling, which connects the first drive shaft on a first stirring fin side of the axis rotation; a second shaft coupling, which connects the second drive shaft on a second stirring fin side of the axis of rotation; and a driving unit that exclusively carries out rotary drive of only either of the first and second drive shafts.Type: GrantFiled: November 25, 2013Date of Patent: April 4, 2017Assignees: MITUYATEC INC., KAWAMOTO CHEMICAL INDUSTRIES INC.Inventors: Yoshikazu Yamamoto, Hiroki Sugawara
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Publication number: 20160360577Abstract: A cooking device has, in a cooking chamber thereof, a cooking tray (91) which is to be placed in the heating chamber (2) so as to have a gap against a rear portion (2d) of the heating chamber (2) and on which a heating object (15) to be heated is to be mounted directly or indirectly, a rear blowoff port (29) which is provided in the rear portion (2d) of the heating chamber (2) so as to be positioned on an upper side of the gap and near a rear portion of the cooking tray (91) and which is communicated with a duct (18) so as to allow the heat medium to be blown off into the heating chamber (2), and a flow regulation structure (62) provided on a rear side of the rear blowoff port (29) and arranged to regulate a flow of the heat medium. The flow regulation structure (62) has, on a lower side thereof, a first guide surface (63) extending in a direction generally parallel to a horizontal direction.Type: ApplicationFiled: May 21, 2015Publication date: December 8, 2016Inventors: Tatsuya MINEOKA, Shinya KUDO, Takushi KISHIMOTO, Yoshikazu YAMAMOTO, Kazuyuki MATSUBAYASHI
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Publication number: 20160051950Abstract: Provided is a stirring apparatus that can drive a stirring body with a simple structure and without applying excessive force. The stirring apparatus is provided with: the stirring body, which is a two-circle roller having an axis of rotation and two stirring fins; first and second drive shafts with axial centers not matching the axis rotation; a first shaft coupling, which connects the first drive shaft on a first stirring fin side of the axis rotation; a second shaft coupling, which connects the second drive shaft on a second stirring fin side of the axis of rotation; and a driving unit that exclusively carries out rotary drive of only either of the first and second drive shafts.Type: ApplicationFiled: November 25, 2013Publication date: February 25, 2016Inventors: Yoshikazu YAMAMOTO, Hiroki SUGAWARA