Patents by Inventor Masahiro Naito
Masahiro Naito 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: 9624816Abstract: A cylinder block (3) includes an inlet portion (36), a narrow portion (42), and an inclined portion (43). A cylinder head includes a head-side discharge portion. The inlet portion is formed on the first cylinder side of a cylinder array, and introduces coolant to a block-side water jacket (33). The narrow portion is formed in the vicinity of the inlet portion, and restricts the coolant introduced through the inlet portion from flowing to an intake-side channel (35) of the block-side water jacket. The inclined portion is formed in the vicinity of the inlet portion, and guides the coolant introduced through the inlet portion toward the head. The head-side discharge portion is formed on the fourth cylinder side of the cylinder array, and discharges the coolant from a head-side water jacket. A communication path for communicating between the water jackets is formed on the head side of the inclined portion.Type: GrantFiled: February 7, 2014Date of Patent: April 18, 2017Assignee: MAZDA MOTOR CORPORATIONInventors: Daisuke Matsumoto, Daisuke Tabata, Masahiro Naito
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Patent number: 9613756Abstract: As a dielectric ceramic constituting dielectric layers of a laminated ceramic capacitor, a dielectric ceramic is used which contains, as its main constituent, a perovskite-type compound containing Ca and Zr and optionally containing Sr, Ba, and Ti, and further contains Si, Mn, and Al, and when the total content of Zr and Ti is regarded as 100 parts by mol, the total content (100×m) of Ca, Sr, and Ba meets 1.002?m?1.100 in terms of parts by mol, the Si content n meets 0.5?n?10 in terms of parts by mol, the Mn content u meets 0.5?u?10 in terms of parts by mol, and the Al content w meets 0.02?w?4 in terms of parts by mol, m and n satisfying ?0.4?100(m?1)?n?3.9.Type: GrantFiled: December 31, 2015Date of Patent: April 4, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hitoshi Nishimura, Masahiro Naito
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Patent number: 9512775Abstract: A cooling system for an engine is provided. The cooling system includes an EGR device including an EGR passage for recirculating exhaust gas into an intake passage, an EGR valve for adjusting a flow rate of the recirculating exhaust gas, and an EGR cooler for cooling the recirculating exhaust gas, an EGR valve controller for controlling the EGR valve, coolant flow paths including a first flow path and a second flow path and where coolant circulates, a coolant pump for circulating coolant within the coolant flow paths, a flow rate control valve for adjusting a flow rate of the coolant through the second flow path, a temperature detector for detecting a coolant temperature within the first flow path, and a valve controller for adjusting a flow rate control valve opening based on the detected temperature.Type: GrantFiled: August 19, 2015Date of Patent: December 6, 2016Assignee: Mazda Motor CorporationInventors: Kotaro Takahashi, Nobuo Yunoki, Masahiro Naito
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Publication number: 20160111217Abstract: As a dielectric ceramic constituting dielectric layers of a laminated ceramic capacitor, a dielectric ceramic is used which contains, as its main constituent, a perovskite-type compound containing Ca and Zr and optionally containing Sr, Ba, and Ti, and further contains Si, Mn, and Al, and when the total content of Zr and Ti is regarded as 100 parts by mol, the total content (100×m) of Ca, Sr, and Ba meets 1.002?m?1.100 in terms of parts by mol, the Si content n meets 0.5?n?10 in terms of parts by mol, the Mn content u meets 0.5?u?10 in terms of parts by mol, and the Al content w meets 0.02?w?4 in terms of parts by mol, m and n satisfying ?0.4?100(m?1)?n?3.9.Type: ApplicationFiled: December 31, 2015Publication date: April 21, 2016Inventors: Hitoshi Nishimura, Masahiro Naito
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Patent number: 9312069Abstract: A laminated body that contains a perovskite-type compound containing Sr, Ba, Zr, and Ti and containing; Si; Mn; Al; and V. When the total content of Zr and Ti is 100 parts by mol, the total content m of Sr and Ba meets 100?m?105, the Si content a meets 0.1?a?4.0, the Mn content b meets 0.1?b?4.0, the Al content c meets 0.01?c?3.0, the V content d meets 0.01?d?0.3, the molar ratio w of Sr and Ba to Sr meets 0.60?w?0.95, the molar ratio z of the total of Zr and Ti to Zr meets 0.92?z?0.98, w and y meets and the crystal grains are 1.2 ?m or less in average grain size.Type: GrantFiled: February 5, 2015Date of Patent: April 12, 2016Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hitoshi Nishimura, Masahiro Naito, Tomotaka Hirata, Shinya Isota
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Publication number: 20160090944Abstract: A cooling system for an engine is provided. The cooling system includes an EGR device including an EGR passage for recirculating exhaust gas into an intake passage, an EGR valve for adjusting a flow rate of the recirculating exhaust gas, and an EGR cooler for cooling the recirculating exhaust gas, an EGR valve controller for controlling the EGR valve, coolant flow paths including a first flow path and a second flow path and where coolant circulates, a coolant pump for circulating coolant within the coolant flow paths, a flow rate control valve for adjusting a flow rate of the coolant through the second flow path, a temperature detector for detecting a coolant temperature within the first flow path, and a valve controller for adjusting a flow rate control valve opening based on the detected temperature.Type: ApplicationFiled: August 19, 2015Publication date: March 31, 2016Inventors: Kotaro Takahashi, Nobuo Yunoki, Masahiro Naito
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Publication number: 20160090896Abstract: A cooling system for an engine is provided. The cooling system includes coolant flow paths including a first flow path and a second flow path and where coolant circulates, a coolant pump for circulating coolant within the coolant flow paths, a flow rate control valve for adjusting a flow rate of the coolant through the second flow path, a temperature detector for detecting a temperature of the coolant within the first flow path, and a valve controller for adjusting an opening of the flow rate control valve based on the temperature detected by the temperature detector. The first flow path passes through a cylinder head of the engine, and the second flow path branches from the first flow path and passes through auxiliary machinery of the engine.Type: ApplicationFiled: August 19, 2015Publication date: March 31, 2016Inventors: Kotaro Takahashi, Nobuo Yunoki, Masahiro Naito
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Publication number: 20160090898Abstract: A cooling system for an engine is provided. The cooling system includes coolant flow paths including a first flow path and a second flow path and where coolant circulates, a coolant pump for circulating the coolant within the coolant flow paths, a flow rate control valve for adjusting a flow rate of the coolant through the second flow path, a temperature detector for detecting a temperature of the coolant within the first flow path, a valve controller for adjusting an opening of the flow rate control valve based on the temperature detected by the temperature detector, and an output level determiner for determining an output level of the engine based on at least one of a fuel injection amount for the engine and an engine speed.Type: ApplicationFiled: August 19, 2015Publication date: March 31, 2016Inventors: Kotaro Takahashi, Nobuo Yunoki, Masahiro Naito, Atsushi Yamada
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Publication number: 20160062930Abstract: There is provided: an access generation unit (111) that generates a command information item including a transfer type indicating a type of transfer request requesting a data transfer and a transfer target address of a bus slave to which the transfer request is directed; a command queue (112) that stores a plurality of command information items generated by the access generation unit (111); a transfer request output sequence control unit (114) that selects second command information item before first command information item as output target command information item from the plurality of command information items stored in the command queue (112), the second command information item including a transfer target address possessed by a second bus slave that responds more slowly than a first bus slave possessing the transfer target address included in the first command information item; and a transfer request output unit (115) that outputs the command information item selected by the transfer request output sequeType: ApplicationFiled: January 29, 2014Publication date: March 3, 2016Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Junko KIJIMA, Masahiro NAITO
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Patent number: 9257233Abstract: A method of manufacturing a laminated ceramic capacitor having a dielectric ceramic which contains, as its main constituent, a perovskite-type compound containing Ca and Zr and optionally containing Sr, Ba, and Ti, and further contains Si, Mn, and Al, and when the total content of Zr and Ti is regarded as 100 parts by mol, the total content (100×m) of Ca, Sr, and Ba meets 1.002?m?1.100 in terms of parts by mol, the Si content n meets 0.5?n?10 in terms of parts by mol, the Mn content u meets 0.5?u?10 in terms of parts by mol, and the Al content w meets 0.02?w?4 in terms of parts by mol, m and n satisfying ?0.4?100(m?1)?n?3.9.Type: GrantFiled: March 22, 2013Date of Patent: February 9, 2016Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hitoshi Nishimura, Masahiro Naito
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Patent number: 9254834Abstract: An ECU executes a program including the steps of: executing fuel-cut control when an IG OFF operation has been performed and a vehicle is traveling; determining torque command values of a first MG and a second MG when a charge power upper limit value Win is reduced; controlling the first MG based on the determined torque command value of the first MG; and controlling the second MG based on the determined torque command value of the second MG.Type: GrantFiled: January 27, 2011Date of Patent: February 9, 2016Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki Yaguchi, Takeshi Hoshiba, Akihiro Kimura, Masahiro Naito
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Patent number: 9242631Abstract: A control method for a vehicle, which is equipped with a drive unit configured to drive a driving wheel and a controller configured to control the drive unit and receive an activation command for the drive unit from a user, includes determining whether the vehicle carries out coasting with the drive unit unactivated, determining whether the activation command has been received during the coasting, and limiting an actual braking force generated by the drive unit if the controller has received the activation command during the coasting, compared to a case where the vehicle runs in a state other than the coasting.Type: GrantFiled: April 4, 2013Date of Patent: January 26, 2016Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.Inventors: Nobuyuki Tanaka, Masahiro Naito
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Publication number: 20160010533Abstract: A cylinder block (3) includes an inlet portion (36), a narrow portion (42), and an inclined portion (43). A cylinder head includes a head-side discharge portion. The inlet portion is formed on the first cylinder side of a cylinder array, and introduces coolant to a block-side water jacket (33). The narrow portion is formed in the vicinity of the inlet portion, and restricts the coolant introduced through the inlet portion from flowing to an intake-side channel (35) of the block-side water jacket. The inclined portion is formed in the vicinity of the inlet portion, and guides the coolant introduced through the inlet portion toward the head. The head-side discharge portion is formed on the fourth cylinder side of the cylinder array, and discharges the coolant from a head-side water jacket. A communication path for communicating between the water jackets is formed on the head side of the inclined portion.Type: ApplicationFiled: February 7, 2014Publication date: January 14, 2016Applicant: MAZDA MOTOR CORPORATIONInventors: Daisuke MATSUMOTO, Daisuke TABATA, Masahiro NAITO
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Publication number: 20150377114Abstract: The present invention is configured such that: a cylinder block includes an introducing portion provided at a first side of a cylinder row, cooling liquid being introduced through the introducing portion to a water jacket, a restrictor portion provided in a vicinity of the introducing portion and configured to restrict the cooling liquid, introduced through the introducing portion, from flowing to an intake-side portion of the water jacket, and a discharging portion provided at a middle portion of the cylinder row at an intake side, the cooling liquid being discharged from the water jacket through the discharging portion; and an exhaust-side portion of the water jacket is formed such that a passage cross-sectional area of a cylinder axis direction upper side of the exhaust-side portion is larger than the passage cross-sectional area of a cylinder axis direction lower side of the exhaust-side portion.Type: ApplicationFiled: February 12, 2014Publication date: December 31, 2015Inventors: Daisuke Matsumoto, Daisuke Tabata, Masahiro Naito
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Patent number: 9216726Abstract: An ECU executes a program including the steps of: executing fuel-cut control when an IG OFF operation has been performed and when a vehicle is traveling; executing deceleration control when vehicle speed is equal to or higher than a threshold value; ending the deceleration control and permitting restart of an engine when the vehicle speed has become lower than the threshold value; and controlling a first MG and the engine when an IG ON operation has been performed.Type: GrantFiled: January 27, 2011Date of Patent: December 22, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki Yaguchi, Takeshi Hoshiba, Akihiro Kimura, Masahiro Naito
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Patent number: 9202628Abstract: laminated ceramic capacitor which has favorable moisture resistance includes an inner layer section that has dielectric ceramic layers and internal electrodes stacked alternately, and outer layer sections formed outside the inner layer section. The dielectric ceramic layers have a perovskite-type compound including a main constituent containing Ca and Zr, and an additive containing Si and Mn. The average grain size in the dielectric ceramic layers constituting the outer layer sections is smaller than the average grain size in the dielectric ceramic layers constituting the inner layer section. The Si/Mn molar ratio in the dielectric ceramic near the interfaces between the internal electrodes and the dielectric ceramic layers is ?15.Type: GrantFiled: July 29, 2013Date of Patent: December 1, 2015Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Tomotaka Hirata, Hitoshi Nishimura, Shinya Isota, Taketsugu Ogura, Masahiro Naito
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Patent number: 9193348Abstract: A vehicle includes a drive unit that generates a driving force for driving a driving wheel, and an accelerator pedal. In the vehicle, the driving force generated by the drive unit is controlled on the basis of an operation amount of the accelerator pedal, which is operated by a user. It is determined whether or not the vehicle carries out coasting with the drive unit unactivated. It is determined whether a predetermined condition that an activation command for the drive unit be received from the user with the accelerator pedal operated is fulfilled during the coasting. An actual driving force that is transmitted from the drive unit to the driving wheel is limited with respect to a driving force that is required by the user, in comparison with a case where the vehicle travels in a state other than the coasting, if the predetermined condition is fulfilled.Type: GrantFiled: April 4, 2013Date of Patent: November 24, 2015Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Aw Co., Ltd.Inventors: Nobuyuki Tanaka, Masahiro Naito
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Patent number: 9188050Abstract: Disclosed is an engine cooling system which comprises: a head-side circulation pathway through which coolant from a water pump is circulated via a water jacket of a cylinder head and an EGR cooler; a block-side circulation pathway through which the coolant from the water pump is circulated via a water jacket of a cylinder block; and a switching valve unit operable, during cold operation of the engine, to pass the coolant from the water pump, along the head-side circulation pathway, and, when a temperature of the engine is raised up to a predetermined value, to pass the coolant from the water pump, along not only the head-side circulation pathway but also the block-side circulation pathway.Type: GrantFiled: February 26, 2014Date of Patent: November 17, 2015Assignee: MAZDA MOTOR CORPORATIONInventors: Masahiro Naito, Daisuke Tabata, Daisuke Matsumoto
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Publication number: 20150279564Abstract: A dielectric ceramic layer includes main phase grains and a secondary phase. The main phase grains include a perovskite-type compound. The perovskite-type compound includes Zr, Mn and at least one element selected from the group consisting of Ti, Ca, Sr, and Ba. In the perovskite-type compound, a molar ratio z between Ti/(Zr+Ti) satisfies 0?z?0.2, a molar ratio between Zr/(Zr+Ti) is equal to 1?z, a molar ratio x between Sr/(Ca+Sr+Ba) satisfies 0?x?1.0, a molar ratio y between Ba/(Ca+Sr+Ba) satisfies 0?y?0.3, a molar ratio between Ca/(Ca+Sr+Ba) is equal to 1?x?y, and a molar ratio m between (Ca+Sr+Ba)/(Zr+Ti) satisfies 0.95?m<1.03. The secondary phase contains segregated Mn. In a body including the dielectric ceramic layer and an internal electrode alternately stacked, the secondary phase is located inside of a second region and not located inside of a third region.Type: ApplicationFiled: March 19, 2015Publication date: October 1, 2015Inventor: Masahiro NAITO
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Publication number: 20150234747Abstract: A cache memory controller (100) connected to a main memory (10) having an instruction area storing a first program and a data area storing data used by a specific instruction included in the first program, and to an access master (1) for executing instructions included in the first program. The cache memory controller is provided with a cache memory (110) for storing a portion of the data in the main memory (10), and a data processing unit (140) that, prior to execution of the specific instruction by the access master (1), and in accordance with transfer scheduling information including the starting address of the specific instruction, calculates an access interval on a basis of the number of instruction steps remaining from the address of the instruction currently being executed by the access master (1) to the starting address of the specific instruction, and transfers data used by the specific instruction from the main memory (10) to the cache memory (110) at this access interval.Type: ApplicationFiled: April 16, 2013Publication date: August 20, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Saori Tanaka, Junko Kijima, Masahiro Naito