Patents by Inventor Masataka Yokota
Masataka Yokota 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: 11295429Abstract: An imaging abnormality diagnosis device includes one or more processors configured to: detect a lane line in an image of a road surface captured by a camera mounted on a vehicle; estimate a shape of a road on which the vehicle is traveling, based on an output of a detector mounted on the vehicle, the detector being other than the camera; and detect as a distorted area an area in the image where the shape of the road and a shape of the lane line do not coincide with each other.Type: GrantFiled: November 21, 2019Date of Patent: April 5, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masataka Yokota, Jia Sun, Takahiro Sota
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Patent number: 11157755Abstract: An image processing apparatus (12) has a processing device (122) for executing, on a first image (111w) captured by a first imaging device (11w) imaging a first imaging area and a second image (111t) captured by a second imaging device (11t) imaging a second imaging area, an image recognition processing for recognizing a target in the first image and the second image, the processing device executes the image recognition processing on a non-overlapped image part (113w) of the first image without executing it on a overlapped image part (112w) of the first image when the processing device executes the image recognition processing on the first image, the non-overlapped image part includes a non-overlapped area at which the first imaging area does not overlap with the second imaging area, the overlapped image part includes a overlapped area at which the first imaging area overlaps with the second imaging area.Type: GrantFiled: July 17, 2019Date of Patent: October 26, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Masataka Yokota, Jia Sun, Takahiro Sota
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Patent number: 11157753Abstract: A road line detection device includes a processor configured to: calculate, for each pixel of an image acquired by a camera mounted on a vehicle, a confidence score that a road line is represented in the pixel, and a confidence score that another object is represented in the pixel; set a correction region in a range assumed to include a road line in the image during changing lanes; correct, for each pixel included in the correction region, the confidence score for a road line or the confidence score for another object in such a way that the confidence score for a road line is high relative to the confidence score for another object; and detect a road line from the image based on each pixel in which the confidence score for a road line is higher than the confidence score for another object.Type: GrantFiled: October 21, 2019Date of Patent: October 26, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Takahiro Sota, Jia Sun, Masataka Yokota
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Patent number: 11100653Abstract: An image recognition apparatus is provided with: a divider configured to divide a frame image into a plurality of areas, wherein the frame image is obtained by imaging or capturing a scene outside through a window glass on which a wiper is mounted, from an interior of a moving body; a determinator configured to determine whether or not at least one of the wiper and an attached substance to the window glass appears, for each of the plurality of areas; an object detector configured to detect an object included in such an area of the plurality of areas that it is determined that the wiper and the attached substance do not appear; and a tracking device configured to track a tracking target, which is an object included in two or more frame images, on the basis of a detection result of the object detector.Type: GrantFiled: July 17, 2019Date of Patent: August 24, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Masataka Yokota, Jia Sun, Takahiro Sota
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Patent number: 11069049Abstract: A division line detection device includes: a processor configured to detect a division line candidate pixel from an image acquired by a camera mounted on a vehicle, set first reliability for a division line candidate pixel whose value representing likelihood that a lane division line is represented is equal to or more than a predetermined threshold value; set second reliability lower than the first reliability for a division line candidate pixel whose value is less than the predetermined threshold value; correct to the first reliability, when a first predetermined number or more of the division line candidate pixels are located on a first scan line having one end at a vanishing point of the image, the second reliability of each division line candidate pixel on the first scan line; and detect a lane division line based on the division line candidate pixels having the first reliability.Type: GrantFiled: October 17, 2019Date of Patent: July 20, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Takahiro Sota, Jia Sun, Masataka Yokota
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Publication number: 20200167906Abstract: An imaging abnormality diagnosis device includes one or more processors configured to: detect a lane line in an image of a road surface captured by a camera mounted on a vehicle; estimate a shape of a road on which the vehicle is traveling, based on an output of a detector mounted on the vehicle, the detector being other than the camera; and detect as a distorted area an area in the image where the shape of the road and a shape of the lane line do not coincide with each other.Type: ApplicationFiled: November 21, 2019Publication date: May 28, 2020Inventors: Masataka YOKOTA, Jia SUN, Takahiro SOTA
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Publication number: 20200151865Abstract: A division line detection device includes: a processor configured to detect a division line candidate pixel from an image acquired by a camera mounted on a vehicle, set first reliability for a division line candidate pixel whose value representing likelihood that a lane division line is represented is equal to or more than a predetermined threshold value; set second reliability lower than the first reliability for a division line candidate pixel whose value is less than the predetermined threshold value; correct to the first reliability, when a first predetermined number or more of the division line candidate pixels are located on a first scan line having one end at a vanishing point of the image, the second reliability of each division line candidate pixel on the first scan line; and detect a lane division line based on the division line candidate pixels having the first reliability.Type: ApplicationFiled: October 17, 2019Publication date: May 14, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Takahiro SOTA, Jia Sun, Masataka Yokota
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Publication number: 20200125861Abstract: A road line detection device includes a processor configured to: calculate, for each pixel of an image acquired by a camera mounted on a vehicle, a confidence score that a road line is represented in the pixel, and a confidence score that another object is represented in the pixel; set a correction region in a range assumed to include a road line in the image during changing lanes; correct, for each pixel included in the correction region, the confidence score for a road line or the confidence score for another object in such a way that the confidence score for a road line is high relative to the confidence score for another object; and detect a road line from the image based on each pixel in which the confidence score for a road line is higher than the confidence score for another object.Type: ApplicationFiled: October 21, 2019Publication date: April 23, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Takahiro Sota, Jia Sun, Masataka Yokota
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Publication number: 20200026934Abstract: An image processing apparatus (12) has a processing device (122) for executing, on a first image (111w) captured by a first imaging device (11w) imaging a first imaging area and a second image (111t) captured by a second imaging device (11t) imaging a second imaging area, an image recognition processing for recognizing a target in the first image and the second image, the processing device executes the image recognition processing on a non-overlapped image part (113w) of the first image without executing it on a overlapped image part (112w) of the first image when the processing device executes the image recognition processing on the first image, the non-overlapped image part includes a non-overlapped area at which the first imaging area does not overlap with the second imaging area, the overlapped image part includes a overlapped area at which the first imaging area overlaps with the second imaging area.Type: ApplicationFiled: July 17, 2019Publication date: January 23, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Masataka YOKOTA, Jia Sun, Takahiro Sota
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Publication number: 20200027217Abstract: An image recognition apparatus is provided with: a divider configured to divide a frame image into a plurality of areas, wherein the frame image is obtained by imaging or capturing a scene outside through a window glass on which a wiper is mounted, from an interior of a moving body; a determinator configured to determine whether or not at least one of the wiper and an attached substance to the window glass appears, for each of the plurality of areas; an object detector configured to detect an object included in such an area of the plurality of areas that it is determined that the wiper and the attached substance do not appear; and a tracking device configured to track a tracking target, which is an object included in two or more frame images, on the basis of a detection result of the object detector.Type: ApplicationFiled: July 17, 2019Publication date: January 23, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Masataka YOKOTA, Jia SUN, Takahiro SOTA
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Publication number: 20190232960Abstract: A vehicle control apparatus is provided with: a risk degree determinator configured to determine a risk degree of a preceding vehicle, which runs ahead of a host vehicle, on the basis of at least one of a loading aspect and a behavior associated with the preceding vehicle; a setting device configured to set a passing aspect, which is for the host vehicle to pass the preceding vehicle, and configured to set the passing aspect when it is determined that the risk degree of the preceding vehicle is relatively high, to reduce a risk associated with passing in comparison with the passing aspect when it is determined that the risk degree of the preceding vehicle is relatively low; and a controller configured to control the host vehicle to pass the preceding vehicle in the set passing aspect.Type: ApplicationFiled: January 4, 2019Publication date: August 1, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Masataka YOKOTA
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Patent number: 6780944Abstract: A resin composition which comprises from 50 to 99.5 parts by weight of a polyphenylene sulfide and from 0.5 to 50 parts by weight of a fluorinated resin having a solidification temperature of at least 237° C. when cooled at a cooling rate of 10° C./min after melting in a nitrogen atmosphere at 330° C., and from 0 to 250 parts by weight of a filler, etc. per 100 parts by weight of the two components.Type: GrantFiled: September 15, 2000Date of Patent: August 24, 2004Assignee: Asahi Glass Company, LimitedInventors: Yasuki Miura, Fukuo Kanno, Masataka Yokota
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Patent number: 6509422Abstract: In 100 parts by weight of a composition, from 2 to 89 parts by weight of a fluorinated polymer having a fluorine content of at least 65 wt %, from 97 to 10 parts by weight of a non-fluorinated polymer and from 1 to 35 parts by weight of a dispersing agent having a carboxylic acid group or its derivative, or a sulfonic acid group or its derivative, are blended.Type: GrantFiled: September 20, 1999Date of Patent: January 21, 2003Assignee: Asahi Glass Company Ltd.Inventors: Masako Nagashima, Takeshi Eriguchi, Yuriko Kaida, Hiroki Kamiya, Masao Umino, Masataka Yokota
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Patent number: 6476125Abstract: A fluorine-containing polymer alloy comprising a grafted fluorine-containing polymer (a) and a polymer (c) containing no fluorine atom, said grafted fluorine-containing polymer (a) comprising a fluorine-containing polymer (d) having hydrogen atoms bonded to carbon atoms of its main chain and a grafting compound having a linking group capable of grafting to the fluorine-containing polymer (d) and a functional group capable of providing an adhesive property, grafted to the fluorine-containing polymer (d).Type: GrantFiled: August 21, 1996Date of Patent: November 5, 2002Assignee: Asahi Glass Company Ltd.Inventors: Jun-ichi Iura, Eiichi Nishi, Masataka Yokota
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Publication number: 20010029284Abstract: In 100 parts by weight of a composition, from 2 to 89 parts by weight of a fluorinated polymer having a fluorine content of at least 65 wt %, from 97 to 10 parts by weight of a non-fluorinated polymer and from 1 to 35 parts by weight of a dispersing agent having a carboxylic acid group or its derivative, or a sulfonic acid group or its derivative, are blended.Type: ApplicationFiled: May 16, 2001Publication date: October 11, 2001Applicant: ASAHI GLASS COMPANY, LTD.Inventors: Masako Nagashima, Takeshi Eriguchi, Yuriko Kaida, Hiroki Kamiya, Masao Umino, Masataka Yokota
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Patent number: 6124386Abstract: A composition which contains ETFE and PAS in a weight ratio of 5-95/5-95, and which further contains an organic onium compound in such a proportion that the weight ratio of the total amount of the above two component polymers and the organic onium compound is 80-99.99/0.01-20.Type: GrantFiled: February 18, 1999Date of Patent: September 26, 2000Assignee: Asahi Glass Company Ltd.Inventors: Masataka Yokota, Masao Umino
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Patent number: 6121353Abstract: A polymer alloy comprising ETFE having a melting point of at most 250.degree. C. and a melt flow rate of at least 20 at 297.degree. C., PPS and a compatibilizer (such as 3-aminopropyltriethoxysilane).Type: GrantFiled: July 14, 1998Date of Patent: September 19, 2000Assignee: Asahi Glass Company Ltd.Inventors: Masao Umino, Yasuki Miura, Masataka Yokota
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Patent number: 5846645Abstract: A coated product having at least four coating layers comprising an undercoating layer formed by coating an undercoating material containing a fluorocarbon resin powder and an aromatic resin and having a viscosity of from 20 to 500,000 poise, an intermediate coating layer formed by coating an intermediate coating material containing a fluorocarbon resin powder and an inorganic pigment and having a viscosity of from 20 to 500,000 poise and a topcoating layer formed by coating a topcoating material containing a fluorocarbon resin powder and having a viscosity of from 20 to 500,000 poise, wherein the fluorocarbon resin powder in each coating layer has an average particle size of 0.1 to 40 .mu.m.Type: GrantFiled: February 27, 1996Date of Patent: December 8, 1998Assignees: Asahi Glass Company Ltd., Creative Product Tashiro, Okuno Chemical Industries Co., Ltd.Inventors: Masataka Yokota, Hiroshi Taya, Renden Tashiro, Tooru Higo