Patents by Inventor Tomoya Takahashi
Tomoya Takahashi 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: 20140011630Abstract: A vehicle control device includes an engine, a motor disposed nearer to drive wheel sides than the engine in a vehicle, and a clutch disposed between the engine and the motor and configured to be engaged or released according to an operation input, wherein at the time the clutch is engaged to connect the engine and the drive wheels while the vehicle travels with the engine being stopped, the engine is started by the power transmitted to the engine via the clutch as well as the motor is caused to output assist torque for suppressing a reduction of acceleration of the vehicle caused by that the clutch is engaged, and the assist torque when a braking operation is performed is smaller than the assist torque when the braking operation is not performed.Type: ApplicationFiled: March 30, 2011Publication date: January 9, 2014Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Tomoya Takahashi
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Patent number: 8617060Abstract: An endoscope light source apparatus includes a turret provided with a first optical filter and a second optical filter for transmitting an illuminating light, an instruction section in which an operation instruction of the turret is inputted, a drive section that drives the turret, a first detector that detects a position of the turret, a first detected portion for identifying a position of the first optical filter, a second detected portion for identifying a position of the second optical filter, a second detector that optically detects a position of the first or the second detected portion, and a turret control section that outputs a drive signal to the drive section to move the turret until the first or the second detected portion is detected by the second detector and stop the turret in response to the first or the second detected portion being detected.Type: GrantFiled: October 16, 2012Date of Patent: December 31, 2013Assignee: Olympus Medical Systems Corp.Inventors: Takahiro Masaki, Kyosuke Mizuno, Rihito Ishikawa, Tomoya Takahashi
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Patent number: 8602401Abstract: A bladder-type jig which is suitably used for manufacturing a stiffened panel structure using a hat stringer, and improves durability of the jig to enable repeated use of the jig. A body which is a body of a bladder has a hollow pipe-shape inside thereof. One end portion of the body is sealed by a terminal metal member, and the interior of body is in an air-tight condition. An insertion portion of the terminal metal member is inserted into a hollow space of the end portion of the body. A plurality of band-shaped groove portions are provided on the outer peripheral surface of the insertion portion such that the groove portions are wound around the outer peripheral surface. The band-shaped groove portions form a plurality of annular adhesive layers between the inner surface of the body and the outer peripheral surface of the insertion portion. This makes it possible to enhance an adhesive state between the body and the terminal metal member and air tightness in the interior of the body.Type: GrantFiled: November 1, 2010Date of Patent: December 10, 2013Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Toshikazu Sana, Yasuo Hanafusa, Tomoya Takahashi
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Patent number: 8537210Abstract: A light source device for an endoscope, characterized by having a light source for supplying illuminating light to an object, endoscope connection unit optically connected to an endoscope that has discrimination information for discriminating the kind of endoscope, discrimination unit for discriminating the endoscope based on the discrimination information of the endoscope connected to the endoscope connection unit, change unit for the changing illumination condition of the illuminating light, and control unit for controlling the change unit based on the result of discrimination by the discrimination unit.Type: GrantFiled: November 22, 2006Date of Patent: September 17, 2013Assignee: Olympus CorporationInventors: Koji Omori, Mutsumi Ohshima, Yasukazu Kogen, Tomoya Takahashi, Atsushi Shimada
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Patent number: 8454500Abstract: An endoscope system of the present invention has a video processor and a light source device, and an endoscope can be connected thereto. And a control portion of the light source device detects connection with the endoscope and the video processor, detects connection with the video processor and the light source device and detects the type of the endoscope by an endoscope detection portion. And when non-connection of the endoscope and the video processor is detected, or non-connection of the video processor and the light source device is detected, the control portion controls so that the light amount of illumination light supplied from the light source device to the endoscope becomes a predetermined light amount according the detected type of the endoscope.Type: GrantFiled: November 7, 2006Date of Patent: June 4, 2013Assignee: Olympus Medical Systems Corp.Inventors: Yusuke Yabe, Tomoya Takahashi, Atsushi Shimada, Susumu Hashimoto
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Publication number: 20130117983Abstract: A technique which can assemble a mandrel having a substantially cylindrical shape and being dividable into plurality of segments, which is used for manufacturing, for example, a fuselage of an aircraft, with high position accuracy and an easy manner. In a segment fastening step, a segment which is a fastened target is fastened to a specified fastening portion which is one of a plurality of fastening portions set along a pair of support rings placed to face each other. In a rotation step, before the segment fastening step, the support rings are rotated so that the specified fastening portion is located at an uppermost portion of the support rings. In the segment fastening step, the segment which is the fastened target is placed between the support rings and lifted vertically up to a height corresponding to the specified fastening portion and then fastened to the support rings.Type: ApplicationFiled: December 21, 2010Publication date: May 16, 2013Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Toshikazu Sana, Naoki Tamura, Tomoya Takahashi, Toshiaki Takechi
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Patent number: 8421386Abstract: A control apparatus controls an inverter (electric power converter circuit) which is connected for selectively applying a plurality of voltage levels to each phase of a polyphase rotary machine. In each of successive control periods, the apparatus determines the inverter operation state (combination of respective voltage levels applied to the phases) to be set for the succeeding control period, by performing prediction calculations based on a model of the rotary machine, for each of a plurality of candidates for the next operation state, to select an optimum candidate. The candidates are restricted to those operation states whereby the voltage level of no more than one of the phases will be changed, at changeover to the operation state of the next control period.Type: GrantFiled: January 11, 2011Date of Patent: April 16, 2013Assignee: Denso CorporationInventors: Tomoya Takahashi, Akihiro Imura
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Publication number: 20130063057Abstract: An estimation section calculates estimated currents corresponding to switching modes, which are provisionally set by a mode setting section. A mode determination section determines one of modes, which has a smallest difference between the estimated currents and command currents, to be a final switching mode. A drive section drives an inverter in the switching mode determined by the determination section. The estimation section uses transient-state inductances as coefficients of time differentiation of currents in voltage equations used for estimation of the estimated currents. These are different from steady-state inductances, which are coefficients of multiplication of currents and electric angular velocity.Type: ApplicationFiled: September 7, 2012Publication date: March 14, 2013Applicant: DENSO CORPORATIONInventor: Tomoya TAKAHASHI
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Publication number: 20130063056Abstract: An estimation section estimates a time period required for a norm of a difference vector between a current flowing to a motor/generator and a command current to attain a threshold level r in each switching mode provisionally set by a mode setting section. A mode determination section determines the switching mode of the longest required time period to be a final switching mode. A drive section controls an inverter to operate in the switching mode determined by the mode switching section.Type: ApplicationFiled: September 7, 2012Publication date: March 14, 2013Applicant: DENSO CORPORATIONInventor: Tomoya TAKAHASHI
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Publication number: 20130053213Abstract: A hybrid driving apparatus includes a diesel engine outfitted with an exhaust brake, and a clutch between the diesel engine and a hybrid motor. The exhaust brake is shiftable between an operational state and a non-operational state, and a switch is operable to change the exhaust brake from the non-operational state to the operational state. The switch is configured to automatically change the exhaust brake which is in the operational state while the vehicle is turned on to the non-operational state when the vehicle is turned off. The clutch is automatically changed from an engaged condition, in which the diesel engine and the hybrid motor are connected, to the disengaged condition, in which the diesel engine and the hybrid motor are disconnected, when the vehicle decelerates while the exhaust brake is in the non-operational state.Type: ApplicationFiled: November 22, 2011Publication date: February 28, 2013Applicants: AISIN TECHNICAL CENTER OF AMERICA INC., AISIN SEIKI KABUSHIKI KAISHAInventors: Tomoya TAKAHASHI, Kazuhiro Irie, Kazushi Konno
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Patent number: 8384327Abstract: The control apparatus controls a controlled variable of the electric rotating machine by manipulating an output voltage of a power converter circuit including switching elements operated at a set modulation index to connect positive and negative terminals of a DC power source to corresponding terminals of the electric rotating machine. The control apparatus includes a prediction section configured to predict the controlled variable for each of a plurality of cases where the power converter circuit is set in a corresponding one of a plurality of predetermined operating states, a manipulation section configured to determine one of the predetermined operating states depending on a result of evaluation by an evaluation function, and set the converter circuit to the determined operating state, and a feedback control section configured to feedback-control the output voltage of the power converter circuit at a target value by manipulating the input parameters of the evaluation function.Type: GrantFiled: July 6, 2010Date of Patent: February 26, 2013Assignee: Denso CorporationInventor: Tomoya Takahashi
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Publication number: 20120305195Abstract: In a mold used for manufacturing a composite material structure of the present invention, first segments and second segments each having a plate shape and a convex-shaped obverse surface are each fastened at its end surface to support rings one by one, with the obverse surface being at an upper side, and adjacent segments are joined together at side surfaces thereof, to retain them as a cylindrical mold. In this configuration, in the mold having a substantially cylindrical shape and being dividable into a plurality of segments, the segments are assembled in the cylindrical shape with high position accuracy and in a simplified manner.Type: ApplicationFiled: December 21, 2010Publication date: December 6, 2012Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Toshikazu Sana, Tomoya Takahashi, Chuzaburou Okamoto
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Publication number: 20120297602Abstract: The present invention provides a technique which can disassemble a mandrel having a substantially cylindrical shape and being dividable into a plurality of segments, easily and efficiently. The disassembling method comprises, in the mandrel adhesively attached with a composite material structure on an outer peripheral surface thereof, a rotation step of rotating the pair of support rings along with the mandrel to position a segment which is a detached target to an uppermost portion; and a segment detaching step of detaching the segment which is the detached target positioned at the uppermost portion, from the pair of support rings; wherein in the segment detaching step, the segment which is the detached target is moved in a vertically downward direction to a position inside of the mandrel, between the pair of support rings, and is carried out from between the pair of support rings.Type: ApplicationFiled: December 21, 2010Publication date: November 29, 2012Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Toshikazu Sana, Naoki Tamura, Tomoya Takahashi
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Patent number: 8310186Abstract: In an apparatus, a predicting unit predicts, based on a target value of a drive mode of a power converter at a next timing, a first value of a controlled variable. The drive mode is indicative of a switching-state of each of a plurality of switching elements. The target value of the drive mode of the power converter at the next timing is temporarily set at a present timing prior to the next timing. A driving unit drives the plurality of switching elements based on the target value of the drive mode at the next timing while limiting a number of switching-state changes in the plurality of switching elements from the present timing to the next timing as long as the deviation between the predicted first value of the controlled variable at the further next timing and a command value therefor is within a threshold range.Type: GrantFiled: August 23, 2010Date of Patent: November 13, 2012Assignee: Denso CorporationInventors: Akihiro Imura, Tomoya Takahashi
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Patent number: 8301229Abstract: A biological observation apparatus comprises a color image signal creating section that performs signal processing on either a first image pickup signal for which a subject to be examined illuminated by white illumination light is picked up by a color filter having a transmitting characteristic of a plurality of broadband wavelengths or a second image pickup signal for which a subject to be examined is picked up under illumination of frame sequential illumination lights which cover a visible range, and creates a color image signal. The biological observation apparatus comprises a spectral image signal creating section that creates a spectral image signal corresponding to a narrowband image signal through signal processing on a color image signal based on the first or second image pickup signal.Type: GrantFiled: March 14, 2006Date of Patent: October 30, 2012Assignee: Olympus Medical Systems Corp.Inventors: Kazuhiro Gono, Shoichi Amano, Tomoya Takahashi, Mutsumi Ohshima
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Patent number: 8288985Abstract: The control apparatus controls a controlled variable of the electric rotating machine by manipulating an output voltage of a power converter circuit including switching elements operated to connect positive and negative terminals of a DC power source to corresponding terminals of the electric rotating machine. The control apparatus includes a prediction section configured to predict the controlled variable for each of a plurality of cases where the power converter circuit is set in a corresponding one of a plurality of predetermined operating states, a feedforward control section configured to set a command value of the controlled variable in accordance with the voltage of the DC power source and the electrical angular velocity of the electric rotating machine, and a manipulation section configured to select one of the predetermined operating states depending on a result of evaluation by an evaluation function receiving the predicted controlled variable and the command value.Type: GrantFiled: August 2, 2010Date of Patent: October 16, 2012Assignee: Denso CorporationInventor: Tomoya Takahashi
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Patent number: 8279275Abstract: Tissue information of a desired deep portion of a biological tissue based on a spectral image obtained from signal processing is adjusted to image information in a color tone suitable for observation. Outputs of a matrix computing section 436 are respectively connected to integrating sections 438a to 438c, and after integrating computation is performed for them, color conversion computation is performed for respective spectral image signals ?F1 to ?F3 in a color adjusting section 440, spectral color channel image signals Rch, Gch and Bch are created from the spectral image signals ?F1 to ?F3, and images of the spectral color channel images Rch, Gch and Bch are sent to a display monitor 106 via a switching section 439.Type: GrantFiled: March 7, 2006Date of Patent: October 2, 2012Assignee: Olympus Medical Systems Corp.Inventors: Kazuhiro Gono, Shoichi Amano, Tomoya Takahashi, Mutsumi Ohshima
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Publication number: 20120235336Abstract: A bladder-type jig which is suitably used for manufacturing a stiffened panel structure using a hat stringer, and improves durability of the jig to enable repeated use of the jig. A body which is a body of a bladder has a hollow pipe-shape inside thereof. One end portion of the body is sealed by a terminal metal member, and the interior of body is in an air-tight condition. An insertion portion of the terminal metal member is inserted into a hollow space of the end portion of the body. A plurality of band-shaped groove portions are provided on the outer peripheral surface of the insertion portion such that the groove portions are wound around the outer peripheral surface. The band-shaped groove portions form a plurality of annular adhesive layers between the inner surface of the body and the outer peripheral surface of the insertion portion. This makes it possible to enhance an adhesive state between the body and the terminal metal member and air tightness in the interior of the body.Type: ApplicationFiled: November 1, 2010Publication date: September 20, 2012Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Toshikazu Sana, Yasuo Hanafusa, Tomoya Takahashi
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Publication number: 20120217849Abstract: In a system for driving an inverter, a superimposing element superimposes, on an output voltage of the inverter. The high-frequency voltage signal is correlated with a measured high-frequency component value of a current flowing in the rotary machine. A calculating element calculates a rotational angle of the rotary machine based on the measured high-frequency component value. A dead-time compensating element shifts a start edge and an end edge of an on duration for each of first and second switching elements of the inverter by a preset same time to compensate for an error due to dead time. A current manipulating element manipulates a current flowing in the rotary machine to maintain an accuracy of calculation of the rotational angle.Type: ApplicationFiled: February 28, 2012Publication date: August 30, 2012Applicant: DENSO CORPORATIONInventors: Yasuaki AOKI, Hiroko Yoneshima, Tomoya Takahashi
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Patent number: 8066409Abstract: A light source device includes a light-condensing device that condenses an illumination light that is emitted from a light source lamp. The light-condensing device includes at least one lens, a lens holder in which a lens is fixedly provided, and a lens holding member. The lens holding member is a member for fixing a lens to the lens holder. The lens holding member causes at least one circumferential portion of the lens to protrude to the lens holder side, and causes the optical axis of the lens to match the optical axis of the illumination light.Type: GrantFiled: August 8, 2008Date of Patent: November 29, 2011Assignee: Olympus Medical Systems Corp.Inventors: Seiki Toriyama, Mutsumi Oshima, Shinji Yamashita, Keiichi Tsuchida, Tomoya Takahashi, Atsushi Shimada, Yusuke Yabe, Kyosuke Mizuno