Patents by Inventor Takashi Sunda
Takashi Sunda 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: 20180326995Abstract: An autonomous vehicle operating apparatus is installed in an autonomous vehicle having two autonomous traveling modes of a first autonomous traveling mode for traveling without operation by a driver and a second autonomous traveling mode for traveling in accordance with an operation by the driver. The autonomous vehicle operating apparatus defines an operating section according to traveling conditions and circumferential conditions, and controls the autonomous vehicle in the second autonomous traveling mode to travel in accordance with the operation by the driver during a period in which the autonomous vehicle is located in the operating section.Type: ApplicationFiled: November 4, 2015Publication date: November 15, 2018Applicant: Nissan Motor Co., Ltd.Inventors: Machiko Hiramatsu, Takashi Sunda, Youji Shimizu, Akihiko Ebina
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Publication number: 20180312110Abstract: A display control method includes performing display control of detection information of an object detected by a detector including a camera. The detection information includes a first image based on a captured image captured by the camera and a second image based on an image rendered on the basis of a detection result of the detector. The display control method further includes switching and displaying the first image and the second image in accordance with a vehicle speed index of a vehicle.Type: ApplicationFiled: October 22, 2015Publication date: November 1, 2018Applicant: Nissan Motor Co., Ltd.Inventors: Yasuhiko Takae, Takashi Sunda, Tatsuya Shino
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Publication number: 20180281818Abstract: An information presenting device is mounted in an autonomous vehicle in which an action candidate for the vehicle to take is settable based on selection from presented selection information made by an occupant. The information presenting device sets the action candidate for the autonomous vehicle to take, calculates a selection margin time from a current time point to a time point at which the occupant should complete the selection from the selection information, sets the selection information based on the action candidate depending on the selection margin time, and presents the set selection information to the occupant.Type: ApplicationFiled: September 30, 2015Publication date: October 4, 2018Inventors: Akihiko Ebina, Machiko Hiramatsu, Takashi Sunda, Youji Shimizu, Takayuki Kondoh
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Patent number: 10051690Abstract: A cloth-like heater has a first fiber layer that is sheet-shaped, and having a first surface that is perpendicular to a thickness direction of the first fiber layer, a second fiber layer that is sheet-shaped, and having a second surface that is perpendicular to a thickness direction of the second fiber layer and that faces the first surface of the first fiber layer via a space, and a third fiber layer provided between the first fiber layer and the second fiber layer. The first fiber layer has a plurality of first conducting parts that has electroconductivity and is arranged in selected sites, and a plurality of first non-conducting parts that has insulating properties and is arranged in sites other than the first conducting parts.Type: GrantFiled: November 12, 2012Date of Patent: August 14, 2018Assignee: NISSAN MOTOR CO., LTD.Inventors: Hiroaki Miura, Takashi Sunda, Yasuhiro Fukuyama
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Patent number: 9666066Abstract: An unexpectedness prediction sensitivity determining apparatus determines a standard driving operation level of a driver when turning to the right or left at an intersection for each intersection based on intersection travel information received from plural vehicles. Subsequently, the unexpectedness prediction sensitivity determining apparatus determines the unexpectedness prediction sensitivity of the driver when turning to the right or left at the intersection based on the intersection travel information associated with the intersections where determined standard driving operation levels of the drivers are identical to one another.Type: GrantFiled: March 12, 2013Date of Patent: May 30, 2017Assignee: Nissan Motor Co., Ltd.Inventors: Machiko Hiramatsu, Takashi Sunda
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Patent number: 9645021Abstract: A sheet pressure sensor includes a first fiber layer, a second fiber layer, and a third fiber layer provided between the first and second fiber layers. The third fiber layer has connecting yarns that electrically connect first conductive portions of the first fiber layer and the second conductive portion in the second fiber layer with a predetermined electric resistivity. The sheet pressure sensor further includes a measuring instrument for measuring electric resistance between at least one of the first conductive portions and the second conductive portion. The connecting yarns unstrain due to deformation of the first or second conductive portion which is generated by applied pressure, and then are short-circuited with one of them. The sheet pressure sensor can detect the pressure while keeping air ventilation characteristic by giving a pressure detection function to the fiber layers.Type: GrantFiled: February 12, 2013Date of Patent: May 9, 2017Assignee: NISSAN MOTOR CO., LTD.Inventors: Hiroaki Miura, Takashi Sunda, Yasuhiro Fukuyama
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Patent number: 9485808Abstract: A sheet heater includes a first fiber layer, a second fiber layer distanced from the first fiber layer, a third fiber layer disposed between the first and second fiber layers, and a controller operable to control heat generation. The first fiber layer is constituted of first conductive portions and first non-conductive portions. The second fiber layer is constituted of second conductive portions and second non-conductive portions. The third fiber layer includes functional layers each constituted of connecting yarns and non-functional layers arranged to insulate each of the functional layers from others of the functional layers. The controller applies voltage between the first and second conductive portions to heat the connecting yarns. According to the heater, a desired temperature distribution can be created on the heater by applying the voltage selectively to one target segment composed of the first conductive portion, the functional layer and the second conductive portion.Type: GrantFiled: April 3, 2013Date of Patent: November 1, 2016Assignee: NISSAN MOTOR CO., LTD.Inventors: Youji Shimizu, Hiroaki Miura, Takashi Sunda, Yasuhiro Fukuyama
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Publication number: 20160228063Abstract: A reference signal is mixed with a bioelectric signal, the capacitance between a biological composition and an input device is detected from the intensity of the reference signal, and the gain of the bioelectric signal is corrected on the basis of the detected capacitance.Type: ApplicationFiled: September 3, 2014Publication date: August 11, 2016Inventors: Yasuhiro FUKUYAMA, Takashi SUNDA, Youji SHIMIZU, Akinori UENO
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Patent number: 9412212Abstract: An unexpectedness prediction sensitivity determining apparatus determines, for each of temporary stop intersections, a standard driving operation level of a driver when entering the each of temporary stop intersections, based on intersection travel information received from plural vehicles. Subsequently, the unexpectedness prediction sensitivity determining apparatus determines the unexpectedness prediction sensitivity of the driver when entering the temporary stop intersection based on the intersection travel information associated with the temporary stop intersections where determined standard driving operation levels of the drivers are identical to one another.Type: GrantFiled: March 12, 2013Date of Patent: August 9, 2016Assignee: Nissan Motor Co., Ltd.Inventors: Machiko Hiramatsu, Takashi Sunda
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Patent number: 9258848Abstract: A matrix-patterned cloth includes: first and second fiber layers including mutually isolated first and second conductors, respectively; an intermediate fiber layer between the first and second fiber layers; conductive connecting yarns connecting one of the first conductors and one of the second conductors, wherein, when a pressure is applied to the matrix-patterned cloth, each connecting yarn bends so that a position of contact between the connecting yarn and the first or second conductor changes depending on how large the pressure is; a selector; and a heating controller or a resistance measuring unit. The selector scans and sequentially selects one of the first conductors and one of the second conductors. The heating controller applies voltage to intersecting areas where the selected first and second conductors intersect each other via the first and second conductors. The resistance measuring unit measures electric resistances of the intersecting areas via the first and second conductors.Type: GrantFiled: July 10, 2013Date of Patent: February 9, 2016Assignee: NISSAN MOTOR CO., LTD.Inventors: Yasuhiro Fukuyama, Takashi Sunda, Hiroaki Miura, Youji Shimizu
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Publication number: 20150211868Abstract: A driving assistance system has a driving information acquisition unit that acquires any of an amount of operations by a driver, a vehicle behavior, a state of the driver, and information regarding the environment surrounding a vehicle as driving information, a vehicle location information acquisition unit that acquires vehicle location information, a statistical information generation unit that generates statistical information by statistically processing the driving information as a time-series pattern, an information associating unit that associates the statistical information with the vehicle location information at the time of the acquisition of the driving information, an information reference unit that references and reads the statistical information based on the location information acquired by the vehicle location information acquisition unit, a driving assistance unit that performs driving assistance based on the statistical information read by the information reference unit, and a communication uniType: ApplicationFiled: July 16, 2013Publication date: July 30, 2015Inventors: Akihiro Matsushita, Takashi Sunda, Yoshihiko Nakamura, Wataru Takano, Jun Hashimoto
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Publication number: 20150203121Abstract: Heart rates of the driver are recorded at a deceleration start time when a vehicle in a travelling state starts to decelerate and stop. The heart rates within a predetermined period recorded before the deceleration start time by the biological information record unit are referred to, and a pre-deceleration heart rate which is a representative value of the referred heart rates is extracted. Furthermore, the heart rates within a predetermined period recorded after the deceleration start time by the biological information record unit are referred to and a post-deceleration heart rate which is a representative value of the referred heart rates is extracted. Then, the pre-deceleration biological information and the post-deceleration biological information extracted by the biological information extraction unit are compared with each other to estimate the steady state of the driver after deceleration.Type: ApplicationFiled: June 14, 2013Publication date: July 23, 2015Applicant: Nissan Motor Co., Ltd.Inventors: Souichirou Mori, Youji Shimizu, Hiroaki Miura, Yasuhiro Fukuyama, Takashi Sunda
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Publication number: 20150164400Abstract: A driver's fatigue degree estimation apparatus includes a biological information value acquisition unit configured to acquire a biological information value of a driver of a vehicle, a vehicle speed detection unit configured to detect a vehicle speed of the vehicle, a stable value convergence change degree detection unit configured to detect a stable value convergence change degree which is a degree of change in the biological information value from a peak value of the biological information value increasing after the vehicle starts deceleration compared to the biological information value before the vehicle starts the deceleration, to a preset stable value, to which the biological information value decreases after the vehicle stops, based on the biological information value and the vehicle speed, and a fatigue degree estimation unit configured to estimate a fatigue degree of the driver depending on the stable value convergence change degree.Type: ApplicationFiled: July 24, 2013Publication date: June 18, 2015Applicant: Nissan Motor Co., Ltd.Inventors: Youji Shimizu, Takashi Sunda, Souichirou Mori, Hiroaki Miura, Yasuhiro Fukuyama
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Publication number: 20150057914Abstract: An unexpectedness prediction sensitivity determining apparatus determines a standard driving operation level of a driver when turning to the right or left at an intersection for each intersection based on intersection travel information received from plural vehicles. Subsequently, the unexpectedness prediction sensitivity determining apparatus determines the unexpectedness prediction sensitivity of the driver when turning to the right or left at the intersection based on the intersection travel information associated with the intersections where determined standard driving operation levels of the drivers are identical to one another.Type: ApplicationFiled: March 12, 2013Publication date: February 26, 2015Inventors: Machiko Hiramatsu, Takashi Sunda
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Publication number: 20150042463Abstract: An unexpectedness prediction sensitivity determining apparatus determines, for each of temporary stop intersections, a standard driving operation level of a driver when entering the each of temporary stop intersections, based on intersection travel information received from plural vehicles. Subsequently, the unexpectedness prediction sensitivity determining apparatus determines the unexpectedness prediction sensitivity of the driver when entering the temporary stop intersection based on the intersection travel information associated with the temporary stop intersections where determined standard driving operation levels of the drivers are identical to one another.Type: ApplicationFiled: March 12, 2013Publication date: February 12, 2015Inventors: Machiko Hiramatsu, Takashi Sunda
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Publication number: 20150000425Abstract: A sheet pressure sensor includes a first fiber layer, a second fiber layer, and a third fiber layer provided between the first and second fiber layers. The third fiber layer has connecting yarns that electrically connect first conductive portions of the first fiber layer and the second conductive portion in the second fiber layer with a predetermined electric resistivity. The sheet pressure sensor further includes a measuring instrument for measuring electric resistance between at least one of the first conductive portions and the second conductive portion. The connecting yarns unstrain due to deformation of the first or second conductive portion which is generated by applied pressure, and then are short-circuited with one of them. The sheet pressure sensor can detect the pressure while keeping air ventilation characteristic by giving a pressure detection function to the fiber layers.Type: ApplicationFiled: February 12, 2013Publication date: January 1, 2015Inventors: Hiroaki Miura, Takashi Sunda, Yasuhiro Fukuyama
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Publication number: 20140332522Abstract: The cloth-like heater of the present invention has an upper layer 2 in which a plurality of upper layer conducting parts 4 is provided, a lower layer 3 in which at least one lower layer conducting part 6 is provided, and an intermediate heat generation layer 8 that links the upper layer 2 to the lower layer 3 and has electroconductivity, and the most principal characteristic is that a linking string 8a of the intermediate heat generation layer 8 between the upper layer conducting part 4 and the lower layer conducting part 6, to which a voltage is applied, generates heat.Type: ApplicationFiled: November 12, 2012Publication date: November 13, 2014Applicant: NISSAN MOTOR CO., LTD.Inventors: Hiroaki Miura, Takashi Sunda, Yasuhiro Fukuyama
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Publication number: 20140014646Abstract: A matrix-patterned cloth includes: first and second fiber layers including mutually isolated first and second conductors, respectively; an intermediate fiber layer between the first and second fiber layers; conductive connecting yarns connecting one of the first conductors and one of the second conductors, wherein, when a pressure is applied to the matrix-patterned cloth, each connecting yarn bends so that a position of contact between the connecting yarn and the first or second conductor changes depending on how large the pressure is; a selector; and a heating controller or a resistance measuring unit. The selector scans and sequentially selects one of the first conductors and one of the second conductors. The heating controller applies voltage to intersecting areas where the selected first and second conductors intersect each other via the first and second conductors. The resistance measuring unit measures electric resistances of the intersecting areas via the first and second conductors.Type: ApplicationFiled: July 10, 2013Publication date: January 16, 2014Inventors: Yasuhiro FUKUYAMA, Takashi SUNDA, Hiroaki MIURA, Youji SHIMIZU
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Publication number: 20130264331Abstract: A sheet heater includes a first fiber layer, a second fiber layer distanced from the first fiber layer, a third fiber layer disposed between the first and second fiber layers, and a controller operable to control heat generation. The first fiber layer is constituted of first conductive portions and first non-conductive portions. The second fiber layer is constituted of second conductive portions and second non-conductive portions. The third fiber layer includes functional layers each constituted of connecting yarns and non-functional layers arranged to insulate each of the functional layers from others of the functional layers. The controller applies voltage between the first and second conductive portions to heat the connecting yams. According to the heater, a desired temperature distribution can be created on the heater by applying the voltage selectively to one target segment composed of the first conductive portion, the functional layer and the second conductive portion.Type: ApplicationFiled: April 3, 2013Publication date: October 10, 2013Inventors: Youji SHIMIZU, Hiroaki Miura, Takashi Sunda, Yasuhiro Fukuyama
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Patent number: 7815313Abstract: A control unit presents a visual stimulus onto a film adhered on an inner surface of a windscreen glass of a vehicle, and controls the visual stimulus so as to allow a driver to perceive the visual stimulus approaching the driver or receding therefrom in response to detection results of a driving environment detection unit, a vehicle status detection unit and a driver status detection unit. In such a way, visually induced vection can be produced for the driver by the visual stimulus. Accordingly, a drive sense of the driver can be adjusted in response to a vehicle state quantity, a driving environment and a driver state.Type: GrantFiled: July 28, 2005Date of Patent: October 19, 2010Assignee: Nissan Motor Co., Ltd.Inventors: Mitsuhito Ito, Youji Shimizu, Katsunori Okada, Keijiro Iwao, Akihiro Matsushita, Kenya Uenuma, Hiroto Nakashima, Yoshikazu Hatano, Takashi Sunda