Patents by Inventor Hideto Watanabe
Hideto Watanabe 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: 20130073134Abstract: HV-ECU executes a program including a step of executing rattling noise avoidance control when an engine operating point falls within a rattling noise producing range and when a requested torque Treq2 falls within the rattling noise producing range, and a step of executing normal control when the engine operating point does not fall within the rattling noise producing range or when the requested torque Treq2 does not fall within the rattling noise producing range.Type: ApplicationFiled: June 8, 2010Publication date: March 21, 2013Applicant: Toyota Jidosha Kabushiki KaishaInventors: Yoshimitsu Yokouchi, Tetsuo Hori, Hideto Watanabe
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Patent number: 8392041Abstract: A hybrid vehicle includes an engine that is an internal combustion engine, a motor generator that is a rotating electric machine used together with the engine for driving the vehicle, an output shaft transmitting power to a wheel, a transmission member coupled to the output shaft, a power split device splitting the output from the engine to the motor generator and transmission member, a detection device detecting irregularities on a road, and a control unit reducing, when the detected result by the detection device indicates generation of periodic torque variation at the output shaft, the output from the engine based on the detected result. Accordingly, a hybrid vehicle that does not require a torque limiter is provided.Type: GrantFiled: August 4, 2008Date of Patent: March 5, 2013Assignees: Nippon Soken, Inc., Toyota Jidosha Kabushiki KaishaInventors: Kazunori Uchiyama, Naoki Hakamada, Hideto Watanabe, Eiji Ichioka, Kunio Takeda
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Publication number: 20130054064Abstract: It is provided a control device of a hybrid type vehicle power transmission device having a prime mover and an electric motor each coupled to a drive shaft in a power transmittable manner, including: a slow change processing means, when any of a torque of the drive shaft, a torque of the prime mover, and a torque of the electric motor changes and passes through zero, slowly changing the torque at a change rate set in advance for suppressing gear rattling noise; and a torque compensating means, if the slow change processing means slowly changes the torque of one of the prime mover and the electric motor, compensating a shortage of the torque of the drive shaft occurring due to the slow change with the other torque not slowly changed.Type: ApplicationFiled: March 1, 2010Publication date: February 28, 2013Inventors: Takemi Tamura, Hideto Watanabe
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Publication number: 20120118196Abstract: Disclosed is an electroless palladium plating solution which can form a plating layer having excellent soldering properties onto electronic components and the like and excellent wire bonding properties. The electroless palladium plating solution comprises a palladium compound, an amine compound, an inorganic sulfur compound and a reducing agent, wherein a combination of hypophosphorous acid or a hypophosphorous acid compound and formic acid or a formic acid compound is used as the reducing agent, and wherein the palladium compound, the amine compound, the inorganic sulfur compound, the hypophosphorous acid compound, and formic acid or the formic acid compound are contained in amounts of 0.001 to 0.1 mole/l, 0.05 to 5 mole/l, 0.01 to 0.1 mole/l, 0.05 to 1.0 mole/l and 0.001 to 0.1 mole/l, respectively. The electroless palladium plating solution is characterized by having excellent soldering properties and excellent wire bonding properties.Type: ApplicationFiled: May 7, 2010Publication date: May 17, 2012Applicant: KOJIMA CHEMICALS CO., LTD.Inventors: Hideto Watanabe, Kazuhiro Kojima, Kaoru Yagi
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Patent number: 8180510Abstract: A hybrid control controller stores vehicle speed influence values that have been set according to vehicle speeds, a first threshold value of a sum value of the vehicle speed influence values, a second threshold value lower than the first threshold value, and an engine start reference vehicle speed, and during EV running, sums the vehicle speed influence values from moment to moment. The hybrid control controller starts the engine in a case where the sum value is no less than the first threshold value, and in a case where the sum value is no less than the second threshold value and the vehicle speed is no more than an engine start reference vehicle speed.Type: GrantFiled: January 16, 2009Date of Patent: May 15, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yoshimitsu Yokouchi, Hideto Watanabe, Kunio Takeda, Masayuki Tanaka
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Patent number: 8095258Abstract: When a hybrid ECU determines that a malfunction in which a moment-adding flywheel cannot be connected to an engine occurs, an engine ECU controls a rotational speed of the engine to a value higher than that in a normal operation. Further, when the hybrid ECU determines that a malfunction in which the moment-adding flywheel cannot be disconnected from the engine occurs, a control is executed so that a ratio of a torque of a first motor to a torque of the engine is higher than that in the normal operation.Type: GrantFiled: May 10, 2007Date of Patent: January 10, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hideto Watanabe, Yasuo Shimizu
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Patent number: 8052066Abstract: A hybrid vehicle can be driven using both of respective driving forces from an engine and a motor. A heating mechanism of an air conditioning apparatus uses thermal energy from cooling water of the engine to heat the interior of a passenger compartment. An ECU takes into consideration engine efficiency from the standpoint of fuel economy enhancement to primarily determine the driving force share ratio between the engine and the motor. Further, the ECU calculates a preset temperature corresponding to a cooling water temperature necessary for desired heating as well as a control target temperature in which the preset temperature is reflected, and corrects the primarily determined driving force share ratio to increase the share of the driving force of the engine by an amount according to a deviation between the cooling water temperature measured by a water temperature sensor and the control target temperature. Heating performance can thus be ensured promptly without deterioration of fuel economy.Type: GrantFiled: April 5, 2005Date of Patent: November 8, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hideto Watanabe, Yasuo Shimizu
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Patent number: 8038569Abstract: A transmission includes: a plurality of rotating elements interposed between a driving source and an output portion; a rotating member that rotatably supports one of the rotating elements and is formed at a radially outer portion thereof with a plurality of recesses or protrusions; a support member having a surface, that is facing the rotating member, and a plurality of protrusions or recesses that are formed in a radially inner portion thereof and engage with the recesses or protrusions of the rotating member, the rotating member being mounted in the support member such that the rotating member is not able to rotate; and a friction producing mechanism that is provided between the rotating member and the above-indicated surface of the support member and is arranged to produce a frictional force between the rotating member and the surface of the support member.Type: GrantFiled: September 30, 2008Date of Patent: October 18, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yoshimitsu Yokouchi, Hideto Watanabe, Kunio Takeda, Masayuki Tanaka
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Patent number: 7981202Abstract: An electroless pure palladium plating solution capable of forming pure palladium plating films having less plating film variations is provided. The electroless pure palladium plating solution comprises an aqueous solution containing (a) 0.001 to 0.5 mol/liter of a water-soluble palladium compound, (b) 0.005 to 10 mol/liter of at least two members selected from the group consisting of aliphatic carboxylic acids and water-soluble salts thereof, (c) 0.005 to 10 mol/liter of phosphoric acid and/or a phosphate, and (d) 0.005 to 10 mol/liter of sulfuric acid and/or a sulfate.Type: GrantFiled: February 28, 2007Date of Patent: July 19, 2011Assignee: Kojima Chemicals Co., Ltd.Inventors: Kazuhiro Kojima, Hideto Watanabe
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Publication number: 20110118951Abstract: When the variation of the KCS learning value is large, an ISC learning control is performed in a learning acceleration mode in which the amount of the ISC learning update is large and the ISC learning is performed at high speed. By thus performing the ISC learning control in the learning acceleration mode in which the ISC learning is performed at high speed, the ISC learning control can quickly follow up a great variation of the KCS learning value, and the time required for the ISC control value to converge to the most suitable one can be shortened. With this, the ISC learning control performed during idling of a hybrid car can be completed in a short time, and the fuel consumption enhancement effect by idling stop can be heightened.Type: ApplicationFiled: November 13, 2006Publication date: May 19, 2011Inventors: Hideto Watanabe, Taku Harada, Yasuo Shimizu
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Patent number: 7939065Abstract: The invention provides a chondroitin sulfate synthesis promoter useful for the treatment of diseases such as articular disease and discopathy. The chondroitin sulfate synthesis promoter contains, as an active ingredient, chondroitin sulfate glucuronyltransferase protein and/or chondroitin sulfate N-acetylgalactosaminyltransferase-1 protein, or a gene encoding the enzyme protein(s).Type: GrantFiled: November 18, 2008Date of Patent: May 10, 2011Assignees: Tokyo Medical and Dental University, Seikagaku CorporationInventors: Kenichiro Sakai, Koji Kimata, Kenichi Shinomiya, Hideto Watanabe
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Patent number: 7877184Abstract: A control apparatus for a hybrid vehicle includes a required torque calculating portion that calculates required drive torque required of the vehicle; a running mode switching portion that switches between a motor running mode and a hybrid running mode according to the calculated required drive torque; a torque distribution control portion that sets the torque distribution between front and rear wheels according to the switched running mode; a gear noise preventing portion that prevents gear noise in a gear mechanism by changing the set torque distribution between the front and rear wheels when a predetermined gear noise producing condition is satisfied; and a drive torque control portion that calculates drive torques of the front and rear wheels based on the calculated required drive torque and the changed torque distribution and controls the torques of the engine and the electric motor.Type: GrantFiled: June 7, 2007Date of Patent: January 25, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hideto Watanabe, Yasuo Shimizu
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Patent number: 7841961Abstract: A planetary gearset provided with a sun gear, a ring gear, and a carrier that rotatably retains a plurality of pinion gears arranged between the sun gear and the ring gear as elements, in which one of the elements is made a fixed element and one of the other elements is made a rotating element, and which transmits torque between that rotating element and an external member provided in a location eccentric with respect to that rotating member. The planetary gearset is constructed such that the fixed element is movably retained in the direction of a load from the transmission of torque between the rotating element and the external member, and the load from the transmission of torque between the rotating element and the external member is received by a fixed portion that rotatably retains that rotating element.Type: GrantFiled: December 18, 2008Date of Patent: November 30, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventors: Takashi Shimizu, Hideto Watanabe, Hiroshi Hata, Masahiro Kojima, Hideaki Komada, Masataka Sugiyama, Kenji Odaka
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Patent number: 7832512Abstract: When at least one of a condition under which a parking brake is activated, a condition under which a shift lever is shifted to a parking range, a condition under which a shift to the neutral range is executed, and a condition under which a drive termination operation is executed is satisfied during an EV travel mode, a carrier shaft provided coaxially with a crankshaft is rotated by a motor generator, and a cumulative value of a travel distance counter obtained when an engine is stopped is reset.Type: GrantFiled: October 13, 2009Date of Patent: November 16, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventors: Hideto Watanabe, Eiji Ichioka, Takemi Tamura
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Publication number: 20100286883Abstract: When the condition for starting an engine (50) is satisfied, the controller (90) executes the lock switching control in which the wheels (88) are forcibly locked by the brake device (86) and the parking lock mechanism (200) is released to unlock the driveshaft (step S4, step S5), and then the controller (90) executes the cranking control (step S6) in which the engine (50) is started by the motor-generator (MG1).Type: ApplicationFiled: January 30, 2009Publication date: November 11, 2010Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hajime Kato, Hideto Watanabe, Yoshimitsu Yokouchi, Kunio Takeda, Masayuki Tanaka
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Publication number: 20100262322Abstract: A hybrid control controller stores vehicle speed influence values that have been set according to vehicle speeds, a first threshold value of a sum value of the vehicle speed influence values, a second threshold value lower than the first threshold value, and an engine start reference vehicle speed, and during EV running, sums the vehicle speed influence values from moment to moment. The hybrid control controller starts the engine in a case where the sum value is no less than the first threshold value, and in a case where the sum value is no less than the second threshold value and the vehicle speed is no more than an engine start reference vehicle speed.Type: ApplicationFiled: January 16, 2009Publication date: October 14, 2010Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshimitsu Yokouchi, Hideto Watanabe, Kunio Takeda, Masayuki Tanaka
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Patent number: 7777378Abstract: A shield member (90) is arranged on the rotor end face (18a) of an electric rotating machine (10). As the rotational velocity of a rotor (18) increases, the shield member (90) moves outward in the radial direction of a rotating shaft (12) to cover a part of the opening (86) of a slot (82). The shield member (90) controls inflow of lubricant from a portion in the axial-direction of the rotating shaft (12) on the outside of the rotor end face (18a) to the slot (82). Rotational resistance of the rotor (18) caused by stirring of lubricant can be reduced during high velocity rotation of the rotor (18).Type: GrantFiled: November 29, 2006Date of Patent: August 17, 2010Assignee: Toyota Jidosha Kabushiki KaishaInventors: Taku Harada, Shinichi Kojima, Makoto Tomita, Shingo Uchiyama, Hirokazu Nishimura, Eiji Ichioka, Hideto Watanabe, Kouichi Sugizaki, Fumimori Imaeda
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Publication number: 20100199882Abstract: An electroless pure palladium plating solution capable of forming pure palladium plating films having less plating film variations is provided. The electroless pure palladium plating solution comprises an aqueous solution containing (a) 0.001 to 0.5 mol/liter of a water-soluble palladium compound, (b) 0.005 to 10 mol/liter of at least two members selected from the group consisting of aliphatic carboxylic acids and water-soluble salts thereof, (c) 0.005 to 10 mol/liter of phosphoric acid and/or a phosphate, and (d) 0.005 to 10 mol/liter of sulfuric acid and/or a sulfate.Type: ApplicationFiled: February 28, 2007Publication date: August 12, 2010Applicant: Kojima Chemicals Co., Ltd.Inventors: Kazuhiro Kojima, Hideto Watanabe
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Publication number: 20100185351Abstract: A hybrid vehicle includes an engine that is an internal combustion engine, a motor generator that is a rotating electric machine used together with the engine for driving the vehicle, an output shaft transmitting power to a wheel, a transmission member coupled to the output shaft, a power split device splitting the output from the engine to the motor generator and transmission member, a detection device detecting irregularities on a road, and a control unit reducing, when the detected result by the detection device indicates generation of periodic torque variation at the output shaft, the output from the engine based on the detected result. Accordingly, a hybrid vehicle that does not require a torque limiter is provided.Type: ApplicationFiled: August 4, 2008Publication date: July 22, 2010Applicants: Nippon Soken, Inc., Toyota Jidosha Kabushiki KaishaInventors: Kazunori Uchiyama, Naoki Hakamada, Hideto Watanabe, Eiji Ichioka, Kunio Takeda
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Publication number: 20100094498Abstract: When at least one of a condition under which a parking brake is activated, a condition under which a shift lever is shifted to a parking range, a condition under which a shift to the neutral range is executed, and a condition under which a drive termination operation is executed is satisfied during an EV travel mode, a carrier shaft provided coaxially with a crankshaft is rotated by a motor generator, and a cumulative value of a travel distance counter obtained when an engine is stopped is reset.Type: ApplicationFiled: October 13, 2009Publication date: April 15, 2010Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideto Watanabe, Eiji Ichioka, Takemi Tamura