Patents by Inventor Makoto Yamazaki
Makoto Yamazaki 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: 20180264937Abstract: An evaporated fuel treatment device executes a pressure reducing control while monitoring inner pressure of a fuel tank, so that when the inner pressure of the fuel tank exceeds a predetermined value prior to fueling to the fuel tank, pressure reduction progresses within a range that the flow rate of a vapor passage does not exceed the boundary flow rate where the vapor passage is closed by a valve element of an ORVR valve, and also a valve opening speed of the closing valve is made higher as the inner pressure of the fuel tank becomes lower.Type: ApplicationFiled: January 13, 2018Publication date: September 20, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISAN KOGYO KABUSHIKI KAISHAInventors: Keita FUKUI, Makoto YAMAZAKI, Yoshikazu MIYABE
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Publication number: 20180171894Abstract: An evaporated fuel processing apparatus is provided with a blocking valve disposed in a vapor passage. The blocking valve has: a valve whose stroke amount is adjusted by a stepping motor; and a relief valve being opened regardless of the stroke amount when tank pressure of a fuel tank is greater than or equal to a predetermined pressure to allow communication between the fuel tank and a canister. The evaporated fuel processing apparatus is provided with a controller configured (i) to control the stepping motor to move the valve in a valve opening direction while prohibiting a valve opening position learning process when the tank pressure is greater than or equal to the predetermined pressure and (ii) to allow the valve opening position learning process when the tank pressure is less than the predetermined pressure.Type: ApplicationFiled: December 19, 2017Publication date: June 21, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISAN KOGYO KABUSHIKI KAISHAInventors: Keita FUKUI, Makoto YAMAZAKI, Yoshikazu MIYABE
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Publication number: 20180171895Abstract: An evaporated fuel processing apparatus is provided with an initializer configured to increase a step number with which a stepping motor is rotated in a valve closing direction, when there is an initialization request for the blocking valve and tank pressure of the fuel tank is in a predetermined pressure range near atmospheric pressure, in comparison with when the tank pressure is out of the predetermined pressure range.Type: ApplicationFiled: December 20, 2017Publication date: June 21, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISAN KOGYO KABUSHIKI KAISHAInventors: Keita Fukui, Makoto Yamazaki, Yoshikazu Miyabe
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Patent number: 9944270Abstract: An engine ECU executes a control routine including steps of performing output variation control for periodically varying the output of an engine, if control of the engine is not being stopped, at the time of a communication abnormality, and a predetermined time elapses from the time of occurrence of the communication abnormality, and a step of performing fuel-cut control, when the engine speed falls outside a predetermined range.Type: GrantFiled: February 9, 2017Date of Patent: April 17, 2018Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hidekazu Nawata, Makoto Yamazaki, Yoshikazu Asami
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Publication number: 20180080393Abstract: A control device of the present invention is applied to a hybrid vehicle having an internal combustion engine which is enabled to operate with fuels different in alcohol density from each other. In a case that fueling which causes change of alcohol density of fuel is implemented to the hybrid vehicle, the control device prohibits an intermittent stop of the internal combustion engine until fuel having an alcohol density changed by the fueling is supplied to the internal combustion engine.Type: ApplicationFiled: July 12, 2017Publication date: March 22, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hidekazu NAWATA, Makoto YAMAZAKI, Tomoaki HONDA, Toshio INOUE
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Publication number: 20180056971Abstract: A control device is configured to, in a case that an internal combustion engine is made to start up before travel start of a vehicle in a parked state, when an auxiliary battery has at least a predetermined value of battery voltage, make the internal combustion engine start up after executing fuel heating processing for heating fuel by glow plugs to which electric power is transmitted, or when the battery voltage of the auxiliary battery is less than the predetermined value, execute the fuel heating processing after executing charge processing for charging the auxiliary battery using a main battery and then start up the internal combustion engine.Type: ApplicationFiled: May 26, 2017Publication date: March 1, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toshio INOUE, Makoto YAMAZAKI, Tomoaki HONDA, Hidekazu NAWATA
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Patent number: 9764731Abstract: During deceleration with operation of an engine, an amount of wall surface deposition is estimated to tend to increase with a decrease in corrected operation time that is based on an operation time of the engine. A target amount of fuel injection is set by adding a correction value that is set according to a variation in the amount of wall surface deposition to a base amount of fuel injection. Fuel injection control of the engine is performed by using the set target amount of fuel injection.Type: GrantFiled: May 6, 2016Date of Patent: September 19, 2017Assignee: Toyota Jidosha Kabushiki KaishaInventor: Makoto Yamazaki
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Patent number: 9759150Abstract: On start of an engine, a difference ?Pm between a first intake pipe pressure Pm1 and a second intake pipe pressure Pm2 is computed. Reduction correction of wall surface deposition correction is prohibited until the state that the difference ?Pm is equal to or less than a reference value ?Pmref continues over a predetermined number of strokes nref of the engine. After the state that the difference ?Pm is equal to or less than the reference value ?Pmref continues over the predetermined number of strokes nref of the engine, permission is given for the reduction correction.Type: GrantFiled: February 11, 2016Date of Patent: September 12, 2017Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shinya Ohori, Yoshiaki Ito, Makoto Yamazaki
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Publication number: 20170232951Abstract: An engine ECU executes a control routine including steps of performing output variation control for periodically varying the output of an engine, if control of the engine is not being stopped, at the time of a communication abnormality, and a predetermined time elapses from the time of occurrence of the communication abnormality, and a step of performing fuel-cut control, when the engine speed falls outside a predetermined range.Type: ApplicationFiled: February 9, 2017Publication date: August 17, 2017Inventors: Hidekazu Nawata, Makoto Yamazaki, Yoshikazu Asami
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Publication number: 20170160893Abstract: A user interface evaluation device comprises a design information acquisition unit configured to acquire information on a plurality of components arranged on a user interface screen of the software; a component recognition resource acquisition unit configured to acquire, for each component, component recognition resources which are resources required for recognizing the respective components; and a conformity probability estimation unit configured to calculate, using a probability density function with a total sum of the acquired component recognition resources as a random variable, conformity probability which is a probability that necessary recognition resources which are resources required for recognizing information output on the user interface screen meet predetermined requirements.Type: ApplicationFiled: July 9, 2015Publication date: June 8, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ko KOGA, Masato FUJII, Motohiro NAKAMURA, Makoto YAMAZAKI
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Patent number: 9661901Abstract: Provided is a slider which is lightweight, reduces production cost and is excellent in quietness, the slider having a slider body which is hardly deformed or broken. The slider includes a slider body made of synthetic resin and a slider handling tool which holds a top and bottom of the slider body and performs sliding operation. The slider handling tool has first and second arm parts connecting with a connecting axis part and first and second holding parts disposed at a tip end part of the first and second arm parts, respectively.Type: GrantFiled: March 30, 2016Date of Patent: May 30, 2017Assignee: YKK CorporationInventors: Makoto Yamazaki, Yuichi Yamashita
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Patent number: 9551536Abstract: In a heat exchanger 1 provided with a receiver tank 9 where a tank 3 of the heat exchanger 1 are connected with each other through intermediate member 7, 8, at least one side of the intermediate member 7, 8 and an outer circumferential portion of the receiver tank 9 is provided with a restricting portion 13c, 31 that restricts a relative displacement between the intermediate members 7, 8 and the receiver tank 9 in a direction along an attachment surface of the receiver tank 9 to which at least the intermediate member 7, 8 is attached.Type: GrantFiled: September 25, 2009Date of Patent: January 24, 2017Assignee: CALSONIC KANSEI CORPORATIONInventor: Makoto Yamazaki
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Patent number: 9513676Abstract: To provide an electronic device in which a CPU unit and an arbitrary number of IO units can be connected by stacking without the ineffective size increase of the entire device, and the easy unlocking is possible. The CPU unit 13 and the IO unit 15 are connected by inserting a pair of edge connecters 63, 65 formed at both ends of a riser board 61 into an edge-connector socket 33 formed in a first board 31 of the CPU unit 13 and into an edge-connector socket 57 formed in a second board 51 of the CPU unit 13, and the first board 31 and the second board 51 are electrically connected through the riser board 61.Type: GrantFiled: November 24, 2015Date of Patent: December 6, 2016Assignee: A&D Company, LimitedInventors: Makoto Yamazaki, Toyohiko Akazawa, Akio Yoshikawa, Hajime Takeo
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Publication number: 20160325731Abstract: During deceleration with operation of an engine, an amount of wall surface deposition Qmw is estimated to tend to increase with a decrease in corrected operation time tonad that is based on an operation time ton of the engine. A target amount of fuel injection Qf* is set by adding a correction value Qfmw that is set according to a variation in the amount of wall surface deposition Qmw to a base amount of fuel injection Qftmp. Fuel injection control of the engine is performed by using the set target amount of fuel injection Qf*.Type: ApplicationFiled: May 6, 2016Publication date: November 10, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Makoto YAMAZAKI
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Publication number: 20160295973Abstract: Provided is a slider which is lightweight, reduces production cost and is excellent in quietness, the slider having a slider body which is hardly deformed or broken. The slider includes a slider body made of synthetic resin and a slider handling tool which holds a top and bottom of the slider body and performs sliding operation. The slider handling tool has first and second arm parts connecting with a connecting axis part and first and second holding parts disposed at a tip end part of the first and second arm parts, respectively.Type: ApplicationFiled: March 30, 2016Publication date: October 13, 2016Inventors: Makoto Yamazaki, Yuichi Yamashita
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Patent number: 9428180Abstract: A failure diagnosis apparatus comprises a controller that is configured to execute a failure diagnosis process of the internal combustion engine based on a predetermined diagnosis requirement. The diagnosis requirement in a case where engine-operation-electric-power supply is executed is made different from the diagnosis requirement in a case where engine-normal-operation is executed such that a failure of the internal combustion engine in the case where the engine-operation-electric-power supply is executed is less likely to be detected or the failure of the internal combustion engine is less likely to be recognized by a driver than in the case where the engine-normal operation is executed.Type: GrantFiled: March 13, 2013Date of Patent: August 30, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shunsuke Fushiki, Makoto Yamazaki, Keita Fukui
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Publication number: 20160237934Abstract: On start of an engine, a difference ?Pm between a first intake pipe pressure Pm1 and a second intake pipe pressure Pm2 is computed. Reduction correction of wall surface deposition correction is prohibited until the state that the difference ?Pm is equal to or less than a reference value ?Pmref continues over a predetermined number of strokes nref of the engine. After the state that the difference ?Pm is equal to or less than the reference value ?Pmref continues over the predetermined number of strokes nref of the engine, permission is given for the reduction correction.Type: ApplicationFiled: February 11, 2016Publication date: August 18, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinya OHORI, Yoshiaki ITO, Makoto YAMAZAKI
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Publication number: 20160174637Abstract: Embodiments of the present invention may include beading for decorating a target member. The beading has a linear member, a leg portion and a colored portion. The linear member has a main portion formed of a light-transmitting material. The linear member has a first end and a second end opposite the first end on an outer periphery thereof. The leg portion extends from the first end of the linear member. The leg portion has a sewn portion that is sewn onto the target member by sewing thread. The colored portion is provided in the linear member or the leg portion. The colored portion has a smaller quantity of transmitting light than that of the main portion. The colored portion is situated and configured to suppress the visibility of the sewing thread when the linear member is seen from above the second end.Type: ApplicationFiled: August 12, 2014Publication date: June 23, 2016Applicants: TOYOTA BOSHOKU KABUSHIKI KAISHA, YKK CORPORATIONInventors: Kunio NISHIYAMA, Mitsuo KOBAYASHI, Eiichi SASADA, Makoto YAMAZAKI
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Publication number: 20160170453Abstract: To provide an electronic device in which a CPU unit and an arbitrary number of IO units can be connected by stacking without the ineffective size increase of the entire device, and the easy unlocking is possible. The CPU unit 13 and the IO unit 15 are connected by inserting a pair of edge connecters 63, 65 formed at both ends of a riser board 61 into an edge-connector socket 33 formed in a first board 31 of the CPU unit 13 and into an edge-connector socket 57 formed in a second board 51 of the CPU unit 13, and the first board 31 and the second board 51 are electrically connected through the riser board 61.Type: ApplicationFiled: November 24, 2015Publication date: June 16, 2016Inventors: Makoto YAMAZAKI, Toyohiko AKAZAWA, Akio YOSHIKAWA, Hajime TAKEO
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Publication number: 20160160775Abstract: When a conversion catalyst in a catalytic converter is warmed up, a required efficiency ?tag is set such as to be within a range of less than 1 that is a value when the conversion catalyst is not warmed up and to increase with an increase in delay of an open-close timing VT of an intake valve (steps S130 to S160). A delayed amount of a target ignition timing IT* is decreased with an increase in required efficiency ?tag (closer to the value 1) (steps S170 and S180).Type: ApplicationFiled: December 3, 2015Publication date: June 9, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki ENDO, Kenya MARUYAMA, Makoto YAMAZAKI