Patents by Inventor Masao Nagai
Masao Nagai 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: 10807573Abstract: A driving assistance control apparatus of a vehicle includes a blind area detector, a driving operation detector, and an electronic control unit. The blind area detector is configured to detect the presence or absence of a blind area as seen from the vehicle in a traveling direction of the vehicle. The driving operation detector is configured to detect driving operation of the driver. The electronic control unit is configured to perform automatic deceleration control of the vehicle based on detection of the presence of the blind area by the blind area detector. The electronic control unit is configured to start the automatic deceleration control, by referring to the driving operation of the driver after detection of the presence of the blind area by the blind area detector.Type: GrantFiled: May 5, 2017Date of Patent: October 20, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, National University Corporation Tokyo University of Agriculture and Technology, THE UNIVERSITY OF TOKYOInventors: Shintaro Inoue, Hideo Inoue, Pongsathorn Raksincharoensak, Yuichi Saito, Masao Nagai, Takuma Ito, Tsukasa Shimizu
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Patent number: 10048699Abstract: A vehicle control apparatus includes: a storage apparatus configured to store a steering modification point of a vehicle and a vehicle speed target point of the vehicle that are associated with map information; and an electronic control unit configured to: detect a position of the vehicle; detect a travel direction of the vehicle; calculate a lane travel distance, the position of the vehicle, and the travel direction of the vehicle; generate, lane travel map data, a target direction of the vehicle, and a target vehicle speed of the vehicle, on the basis of the map information, the steering modification point, the vehicle speed target point, the position of the vehicle, and the travel direction of the vehicle; and output a control signal to control the vehicle on the basis of the position of the vehicle, the lane travel distance of the vehicle, and the lane travel map data.Type: GrantFiled: May 13, 2016Date of Patent: August 14, 2018Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, THE UNIVERSITY OF TOKYO, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Hideo Inoue, Masahiro Mio, Masayuki Okuwa, Tsukasa Shimizu, Minoru Kamata, Takuma Ito, Pongsathorn Raksincharoensak, Masao Nagai
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Publication number: 20170327110Abstract: A driving assistance control device for a vehicle includes: a moving object detection sensor configured to detect a moving object moving along a roadside in a traveling direction of the vehicle; a driving operation detection sensor configured to detect a driving operation of a driver; an actuator; and an Electronic Control Unit configured to perform automatic steering control of the vehicle by the actuator to avoid the moving object based on a detection result of the moving object, the Electronic Control Unit being configured to start the automatic steering control based on a driving steering of the driver after the moving object is detected.Type: ApplicationFiled: May 10, 2017Publication date: November 16, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, National University Corporation Tokyo University of Agriculture and Technology, The University of TokyoInventors: Shintaro INOUE, Hideo INOUE, Pongsathorn RAKSINCHAROENSAK, Yuichi SAITO, Masao NAGAI, Takuma ITO, Tsukasa SHIMIZU
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Publication number: 20170327094Abstract: A driving assistance control apparatus of a vehicle includes a blind area detector, a driving operation detector, and an electronic control unit. The blind area detector is configured to detect the presence or absence of a blind area as seen from the vehicle in a traveling direction of the vehicle. The driving operation detector is configured to detect driving operation of the driver. The electronic control unit is configured to perform automatic deceleration control of the vehicle based on detection of the presence of the blind area by the blind area detector. The electronic control unit is configured to start the automatic deceleration control, by referring to the driving operation of the driver after detection of the presence of the blind area by the blind area detector.Type: ApplicationFiled: May 5, 2017Publication date: November 16, 2017Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, National University Corporation Tokyo University of Agriculture and Technology, THE UNIVERSITY OF TOKYOInventors: Shintaro INOUE, Hideo INOUE, Pongsathorn RAKSINCHAROENSAK, Yuichi SAITO, Masao NAGAI, Takuma ITO, Tsukasa SHIMIZU
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Publication number: 20160334796Abstract: A vehicle control apparatus includes: a storage apparatus configured to store a steering modification point of a vehicle and a vehicle speed target point of the vehicle that are associated with map information; and an electronic control unit configured to: detect a position of the vehicle; detect a travel direction of the vehicle; calculate a lane travel distance, the position of the vehicle, and the travel direction of the vehicle; generate, lane travel map data, a target direction of the vehicle, and a target vehicle speed of the vehicle, on the basis of the map information, the steering modification point, the vehicle speed target point, the position of the vehicle, and the travel direction of the vehicle; and output a control signal to control the vehicle on the basis of the position of the vehicle, the lane travel distance of the vehicle, and the lane travel map data.Type: ApplicationFiled: May 13, 2016Publication date: November 17, 2016Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, The University of Tokyo, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Hideo INOUE, Masahiro MIO, Masayuki OKUWA, Tsukasa SHIMIZU, Minoru KAMATA, Takuma ITO, Pongsathorn RAKSINCHAROENSAK, Masao NAGAI
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Patent number: 9239380Abstract: A driver assistance system for avoiding collisions of a vehicle with pedestrians, the system including a camera sensor and/or a beam sensor. When an object moving at a given speed on a pedestrian crossing is detected, the object is detected as being a pedestrian with a probability that is sufficiently high to output a warning to the driver, reducing the likelihood of a potential collision.Type: GrantFiled: May 14, 2009Date of Patent: January 19, 2016Assignee: ADC Automotive Distance Control Systems GmbHInventors: Stefan Hegemann, Akitsugu Yoda, Rolf Adomat, Michael Darms, Raksincharoensak Pongsathorn, Masao Nagai, Ikuko Shimizu
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Publication number: 20150336587Abstract: A driving assist device 1 includes: an information acquisition unit 20 that detects a driving operation of a driver for the vehicle; a driving skill evaluation unit 24 that evaluates a driving skill of the driver on the basis of a history of the driving operation of the driver; and a driving assist control unit 28 that performs the driving assist control for the vehicle on the basis of the traveling state of the vehicle and the target traveling state. When the information acquisition unit 20 detects the driving operation of the driver during the driving assist control, the driving assist control unit 28 limits the amount of driving assist control for the vehicle according to the driving skill of the driver evaluated and reflects the driving operation amount of the driver in traveling control for the vehicle.Type: ApplicationFiled: May 18, 2015Publication date: November 26, 2015Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, THE UNIVERSITY OF TOKYO, National University Corporation Tokyo University of Agriculture and TechnologyInventors: Hideo INOUE, Shintaro INOUE, Masahiro MIO, Shingo SAKAIDA, Tsukasa SHIMIZU, Masayuki OKUWA, Minoru KAMATA, Takuma ITO, Pongsathorn RAKSINCHAROENSAK, Masao NAGAI
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Patent number: 8090492Abstract: The apparatus comprises a measured signal detector 11, a vehicle parameter obtainer 12, a sideslip angle temporary estimator 13, a sideslip angle differential corresponding value computer 14 and a sideslip angle real estimator 15. A sideslip angle temporary estimate value is computed from one or plural vehicle parameters including at least the mass. A sideslip angle differential corresponding value is computed from a measured signal and the vehicle parameters including no mass. A sideslip angle is derived from the sideslip angle temporary estimate value and the sideslip angle differential corresponding value. A sideslip can be detected without a steering angle detection mechanism.Type: GrantFiled: February 7, 2007Date of Patent: January 3, 2012Assignee: National University Corporation Tokyo University of Agriculture and TechnologyInventors: Masao Nagai, Yohei Michitsuji, Pongsathorn Raksincharoensak
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Patent number: 8016694Abstract: A golf club head of the wood-type, including: a body defining an interior cavity and including a ball-striking face, a sole, a crown, and a ribbon extending rearwardly from the face; an elongated groove that extends along a portion of the ribbon; a weight slidably disposed in the elongated grove; and a fastener affixed to the weight capable of selectively fixing a location of the weight. Other aspects, features, and embodiments are also claimed and described.Type: GrantFiled: November 1, 2009Date of Patent: September 13, 2011Assignee: Mizuno USAInventors: David Llewellyn, Tetsuya Kanayama, Masao Nagai
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Publication number: 20110184617Abstract: A driver assistance system for avoiding collisions of a vehicle with pedestrians, the system including a camera sensor and/or a beam sensor. When an object moving at a given speed on a pedestrian crossing is detected, the object is detected as being a pedestrian with a probability that is sufficiently high to output a warning to the driver, reducing the likelihood of a potential collision.Type: ApplicationFiled: May 14, 2009Publication date: July 28, 2011Applicant: ADC AUTOMOTIVE DISTANCE CONTROL SYSTEMS GMBHInventors: Stefan Hegemann, Akitsugu Yoda, Rolf Adomat, Michael Darms, Raksincharoensak Pongsathorn, Masao Nagai, Ikuko Shimizu
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Publication number: 20110009209Abstract: A golf club head of the wood-type, including: a body defining an interior cavity and including a ball-striking face, a sole, a crown, and a ribbon extending rearwardly from the face; an elongated groove that extends along a portion of the ribbon; a weight slidably disposed in the elongated grove; and a fastener affixed to the weight capable of selectively fixing a location of the weight. Other aspects, features, and embodiments are also claimed and described.Type: ApplicationFiled: November 1, 2009Publication date: January 13, 2011Applicant: Mizuno USAInventors: DAVID LLEWELLYN, Tetsuya Kanayama, Masao Nagai
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Patent number: 7668635Abstract: A front wheel steering control device improves the handling and stability of a vehicle with respect to the steering wheel angles. The front wheel steering control device includes an input device for obtaining the steering wheel angle and the vehicle velocity, a first computing device for computing a yaw-rate for the vehicle which maintains the vehicle gravity center point sideslip angle at zero based on the steering wheel angle and the vehicle velocity that are obtained by the input device, a second computing device for computing a target front wheel actual steering angle for realizing the yaw-rate calculated by the first computing device, a control device for performing a steering control of the vehicle based on the target front wheel actual steering angle calculated by the second computing device. The ideal determination of the vehicle steering gear ratio and the derivative steering gain are relatively easy.Type: GrantFiled: May 18, 2005Date of Patent: February 23, 2010Assignee: National University Corporation Tokyo University of Agriculture and TechnologyInventors: Pongsathorn Raksincharoensak, Masao Nagai
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Publication number: 20090276114Abstract: The apparatus comprises a measured signal detector 11, a vehicle parameter obtainer 12, a sideslip angle temporary estimator 13, a sideslip angle differential corresponding value computer 14 and a sideslip angle real estimator 15. A sideslip angle temporary estimate value is computed from one or plural vehicle parameters including at least the mass. A sideslip angle differential corresponding value is computed from a measured signal and the vehicle parameters including no mass. A sideslip angle is derived from the sideslip angle temporary estimate value and the sideslip angle differential corresponding value. A sideslip can be detected without a steering angle detection mechanism.Type: ApplicationFiled: February 7, 2007Publication date: November 5, 2009Applicant: National University Corporation Tokyo University of Agriculture and TechnologyInventors: Masao Nagai, Yohei Michitsuji, Pongsathorn Raksincharoensak
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Patent number: 7611424Abstract: A golf club head of the wood-type, including: a body defining an interior cavity and including a ball-striking face, a sole, a crown, and a ribbon extending rearwardly from the face; an elongated groove that extends along a portion of the ribbon; a weight slidably disposed in the elongated grove; and a fastener affixed to the weight capable of selectively fixing a location of the weight.Type: GrantFiled: February 12, 2007Date of Patent: November 3, 2009Assignee: Mizuno USA, Inc.Inventors: Masao Nagai, David Llewellyn, Tetsuya Kanayama
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Patent number: 7517286Abstract: The invention is directed toward a trial golf club head and method for determining the optimal loft angle for any golf club, and in particular a hybrid-type golf club. The invention includes a trial golf club head having a face portion, a leading edge portion, a toe portion, a heel portion, a back portion having a trailing edge portion, and a sole portion. The sole portion contains a number of equally spaced graduated indicia, which are substantially parallel to one another and extend from the toe portion to the heel portion. The distance between the graduated indicia is approximately 3.75 centimeters (cm), which corresponds to an incremental loft angle of approximately 3 degrees. The sole portion has a radius of curvature of 71.67 mm, which extends from the leading edge of the face portion to the trailing edge of the back portion.Type: GrantFiled: October 6, 2006Date of Patent: April 14, 2009Assignee: Mizuno USAInventors: Masao Nagai, Chris Voshall, Bill Price, David Llewellyn, Richard Delvac
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Publication number: 20080194354Abstract: A golf club head of the wood-type, including: a body defining an interior cavity and including a ball-striking face, a sole, a crown, and a ribbon extending rearwardly from the face; an elongated groove that extends along a portion of the ribbon; a weight slidably disposed in the elongated grove; and a fastener affixed to the weight capable of selectively fixing a location of the weight.Type: ApplicationFiled: February 12, 2007Publication date: August 14, 2008Applicant: Mizuno USAInventors: Masao Nagai, David Llewellyn
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Publication number: 20080085779Abstract: The invention is directed toward a trial golf club head and method for determining the optimal loft angle for any golf club, and in particular a hybrid-type golf club. The invention includes a trial golf club head having a face portion, a leading edge portion, a toe portion, a heel portion, a back portion having a trailing edge portion, and a sole portion. The sole portion contains a number of equally spaced graduated indicia, which are substantially parallel to one another and extend from the toe portion to the heel portion. The distance between the graduated indicia is approximately 3.75 centimeters (cm), which corresponds to an incremental loft angle of approximately 3 degrees. The sole portion has a radius of curvature of 71.67 mm, which extends from the leading edge of the face portion to the trailing edge of the back portion.Type: ApplicationFiled: October 6, 2006Publication date: April 10, 2008Applicant: Mizuno USA, Inc.Inventors: Masao Nagai, Chris Voshall, Bill Price, David Llewellyn, Richard Delvac
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Publication number: 20070299582Abstract: This invention provides a front wheel steering control device for improving the handling and stability of a vehicle with respect to the steering wheel angles. The front wheel steering control device for improving the steering stability of a vehicle (100) comprises, input means for obtaining the steering wheel angle and the vehicle velocity, first computing means for computing a yaw-rate for the vehicle which maintains the vehicle gravity center point sideslip angle at zero based on the steering wheel angle and the vehicle velocity that are obtained by the input means, second computing means for computing a target front wheel actual steering angle for realizing the yaw-rate that was calculated by the first computing means, control means for performing a steering control of the vehicle based on the target front wheel actual steering angle that was calculated by the second computing means.Type: ApplicationFiled: May 18, 2005Publication date: December 27, 2007Applicant: National University CorporationInventors: Pongsathorn Raksincharoensak, Masao Nagai
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Patent number: D550796Type: GrantFiled: September 12, 2006Date of Patent: September 11, 2007Assignee: Mizuno USAInventors: Masao Nagai, David Llewellyn, Harry B. Taylor
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Patent number: D561284Type: GrantFiled: December 11, 2006Date of Patent: February 5, 2008Assignee: Mizuno USAInventors: Masao Nagai, David Llewellyn, Harry B. Taylor