Patents by Inventor Naohide Uchida
Naohide Uchida 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: 12116685Abstract: A discrete metallic particle having a metallic material, and a coating covering at least a portion of the metallic component. The discrete metallic particle has a thickness from 50 nm to 1000 nm, and the discrete metallic particle has a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz. The skin depth ? is calculated by: ? = 2 ? ? ( 2 ? ? ? f ) ? ( ? 0 ? ? r ) ? 503 ? ? ? r ? f Where ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material.Type: GrantFiled: May 6, 2022Date of Patent: October 15, 2024Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Publication number: 20240251702Abstract: The present invention provides a route generator that can generate a travel route for a mowed grass collector to efficiently and reliably collect grass left after lawn mowing work, and a mowed grass collector. A route generator includes: a mowing information acquisition unit that acquires mower information including at least a direction in which grass mowed by a lawn mower is discharged; and a collection route generator unit that acquires a travel route of the lawn mower and generates a travel route for an autonomous mowed grass collector to collect the mowed grass based on the acquired travel route and the direction in which the mowed grass is discharged.Type: ApplicationFiled: January 25, 2024Publication date: August 1, 2024Inventors: Toshiro UCHIDA, Kota ONO, Naohide OGAWA
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Patent number: 11780436Abstract: An on-board sensor system includes: a first sensor configured to detect a situation around a vehicle; a second sensor having a higher angular resolution than the first sensor; an acquisition unit configured to acquire a detection result of the first sensor; and a range decision unit configured to decide, based on the detection result, an observation range to be observed by the second sensor around the vehicle.Type: GrantFiled: April 5, 2021Date of Patent: October 10, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeshi Yamakawa, Yasuo Uehara, Osamu Komeda, Kazuki Hiramoto, Kazuhiro Miyazato, Masamu Chiba, Naohide Uchida, Hideaki Sawada, Masaki Ikai
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Patent number: 11749899Abstract: A multilayer thin film that reflects an omnidirectional structural color having a reflective core layer comprising a metallic material, a second layer extending across the reflective core layer, a third layer extending across the second layer, and an outer layer extending across the third layer. The multilayer thin film reflects a single narrow band of visible light that is less than 30° measured in Lab color space when viewed from angles between 0° and 45°, and the reflective core layer has a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz, as calculated by: ? = 2 ? ? ( 2 ? ? ? f ) ? ( ? 0 ? ? r ) ? 5 ? 0 ? 3 ? ? ? r ? f , ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material.Type: GrantFiled: March 31, 2021Date of Patent: September 5, 2023Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Publication number: 20220259755Abstract: A discrete metallic particle having a metallic material, and a coating covering at least a portion of the metallic component. The discrete metallic particle has a thickness from 50 nm to 1000 nm, and the discrete metallic particle has a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz. The skin depth ? is calculated by: ? = 2 ? ? ( 2 ? ? ? f ) ? ( ? 0 ? ? r ) ? 503 ? ? ? r ? f Where ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material.Type: ApplicationFiled: May 6, 2022Publication date: August 18, 2022Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Patent number: 11339495Abstract: A discrete metallic particle having a metallic material, and a coating covering at least a portion of the metallic component. The discrete metallic particle has a thickness from 50 nm to 1000 nm, and the discrete metallic particle has a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz. The skin depth ? is calculated by: ? = 2 ? ? ? ( 2 ? ? ? ? ? f ) ? ( ? 0 ? ? r ) ? 503 ? ? ? ? r ? f Where ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material.Type: GrantFiled: May 20, 2020Date of Patent: May 24, 2022Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Patent number: 11332626Abstract: A new paint which makes it possible for a coating film to have both brightness and radiotransparency is demanded. The paint includes a flake, wherein the flake has a sea-island structure of including a plurality of island phases which are formed of metal, and a sea phase that is formed of resin or DLC, the sea phase linking the island phases to each other.Type: GrantFiled: October 3, 2019Date of Patent: May 17, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takeshi Yamakawa, Naohide Uchida, Yoshihisa Serizawa, Shoichi Hayasaka
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Publication number: 20210363655Abstract: A discrete metallic particle having a metallic material, and a coating covering at least a portion of the metallic component. The discrete metallic particle has a thickness from 50 nm to 1000 nm, and the discrete metallic particle has a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz. The skin depth ? is calculated by: ? = 2 ? ? ? ( 2 ? ? ? ? ? f ) ? ( ? 0 ? ? r ) ? 503 ? ? ? ? r ? f Where ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material.Type: ApplicationFiled: May 20, 2020Publication date: November 25, 2021Inventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Publication number: 20210316723Abstract: An on-board sensor system includes: a first sensor configured to detect a situation around a vehicle; a second sensor having a higher angular resolution than the first sensor; an acquisition unit configured to acquire a detection result of the first sensor; and a range decision unit configured to decide, based on the detection result, an observation range to be observed by the second sensor around the vehicle.Type: ApplicationFiled: April 5, 2021Publication date: October 14, 2021Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takeshi Yamakawa, Yasuo Uehara, Osamu Komeda, Kazuki Hiramoto, Kazuhiro Miyazato, Masamu Chiba, Naohide Uchida, Hideaki Sawada, Masaki Ikai
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Publication number: 20210218148Abstract: A multilayer thin film that reflects an omnidirectional structural color having a reflective core layer comprising a metallic material, a second layer extending across the reflective core layer, a third layer extending across the second layer, and an outer layer extending across the third layer. The multilayer thin film reflects a single narrow band of visible light that is less than 30° measured in Lab color space when viewed from angles between 0° and 45°, and the reflective core layer has a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz, as calculated by: ? = 2 ? ? ( 2 ? ? ? ? f ) ? ( ? 0 ? ? r ) ? 5 ? 0 ? 3 ? ? ? r ? f , ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material.Type: ApplicationFiled: March 31, 2021Publication date: July 15, 2021Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Patent number: 10998639Abstract: A metallic component including a metallic material and having a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz, as calculated by: ? = 2 ? ? ( 2 ? ? ? ? f ) ? ( ? 0 ? ? r ) ? 5 ? 0 ? 3 ? ? ? r ? f . In this equation, ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material. The metallic component may be a discrete metallic particle or a layer in a multilayer thin film.Type: GrantFiled: May 20, 2020Date of Patent: May 4, 2021Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Patent number: 10998638Abstract: A metallic component including NiCr and having a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz, as calculated by: ? = 2 ? ? ? ( 2 ? ? ? ? ? f ) ? ( ? 0 ? ? r ) ? 503 ? ? ? ? r ? f . In this equation, ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the NiCr metallic material. The metallic component may be a discrete metallic particle or a layer in a multilayer thin film.Type: GrantFiled: January 31, 2019Date of Patent: May 4, 2021Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Patent number: 10953885Abstract: A road surface detecting apparatus comprises a camera sensor 11 for taking images of a region in front of a vehicle, and an electronic control unit (ECU) configured to: calculate, based on a taken image, parallax information including a parallax of each pixel composing the taken image; extract a pixel corresponding to a road surface from the taken image; acquire, based on information of the extracted pixel, information-indicating-a-road-surface; calculate, based on the information-indicating-a-road-surface, a road surface gradient formula by approximating a gradient of the road surface by a quadratic function; determine whether or not an absolute value of a coefficient of a quadratic term of this formula is greater than a coefficient threshold; and invalidate the information-indicating-a-road-surface when the absolute value is determined to be greater than the threshold.Type: GrantFiled: September 27, 2018Date of Patent: March 23, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hirotake Ishigami, Naohide Uchida, Ken Tanabe, Masaki Kuwahara
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Patent number: 10853666Abstract: A target object estimating apparatus comprises parallax information calculating means for calculating parallax information including a parallax between corresponding pixels of taken images taken at a same computation timing, road surface region detecting means for detecting a road surface region in the taken image based on the parallax information, road surface region determining means for determining whether or not each pixel in the taken image corresponds to the road surface region, transition information calculating means for calculating transition information including a change amount of a position of each pixel, using temporally sequential taken images, and estimated value calculating means for estimating a position and a speed of a target object by calculating, based on the parallax/transition information, estimated values of the position and the speed of each pixel.Type: GrantFiled: September 28, 2018Date of Patent: December 1, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Naohide Uchida, Ken Tanabe, Hirotake Ishigami, Masaki Kuwahara
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Patent number: 10853692Abstract: A vicinity supervising device includes an image capturing unit that captures a plurality of images in which an object is simultaneously captured from different locations; a matching processing unit that calculates a parallax point and a reliability point, the parallax point being the number of pixel regions from which a parallax is calculated among a plurality of pixel regions divided by the plurality of images, and the reliability point being the number of pixel regions having high recognition reliability among the plurality of pixel regions; and an evaluation unit that evaluates, based on the parallax point and the reliability point, an imaging environment where the plurality of images are captured.Type: GrantFiled: September 20, 2018Date of Patent: December 1, 2020Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toshihiko Terada, Naohide Uchida, Hirotake Ishigami, Hiroaki Ito
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Patent number: 10810712Abstract: In an apparatus for monitoring surroundings of a vehicle based on a plurality of images captured by a plurality of imagers through a windshield of the vehicle, an image acquirer is configured to acquire the plurality of images captured by the plurality of imagers, and a distortion corrector is configured to correct the plurality of images based on an optical distortion distribution of the windshield.Type: GrantFiled: September 28, 2018Date of Patent: October 20, 2020Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, RICOH COMPANY, LTD.Inventors: Toshihiko Terada, Masaki Kuwahara, Hiroaki Ito, Naohide Uchida, Jun Kishiwada
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Patent number: 10789732Abstract: In an apparatus for monitoring surroundings of a vehicle carrying the apparatus, a corresponding-point displacement calculator sets a search region for corresponding points in a plurality of images of an object captured simultaneously from different positions and calculate a displacement value between the corresponding points. A search region modifier modifies the search region if a number of corresponding-point displacement values acquired by the corresponding-point displacement calculator within a predetermined period of time is less than a predetermined threshold.Type: GrantFiled: September 28, 2018Date of Patent: September 29, 2020Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, RICOH COMPANY, LTD.Inventors: Toshihiko Terada, Hiroaki Ito, Naohide Uchida, Kagehiro Nagao
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Patent number: 10776649Abstract: In a monitoring apparatus, an optical flow calculator calculates an optical flow for each of selected pixel regions included in at least one pixel region group of an image. The optical flow for each of the selected pixel regions includes information about a direction and amount of movement of a corresponding part of the at least one target object. An adjuster calculates the sum of areas of all the pixel regions included in the at least one pixel region group of the image, and adjusts a selected number of the optical flows to be matched with the at least one pixel region group as a function of the calculated sum of the areas of all the pixel regions included in the at least one pixel region group.Type: GrantFiled: September 26, 2018Date of Patent: September 15, 2020Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ken Tanabe, Hiroaki Ito, Naohide Uchida
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Publication number: 20200280136Abstract: A metallic component including a metallic material and having a skin depth ? of greater than or equal to 1.0 ?m in a frequency range from 20-40 GHz, as calculated by: ? = 2 ? ? ( 2 ? ? ? ? f ) ? ( ? 0 ? ? r ) ? 5 ? 0 ? 3 ? ? ? r ? f . In this equation, ? is skin depth in meters (m); ? is resistivity in ohm meter (?·m); f is frequency of an electromagnetic radiation in hertz (Hz); ?0 is permeability; and ?r is relative permeability of the metallic material. The metallic component may be a discrete metallic particle or a layer in a multilayer thin film.Type: ApplicationFiled: May 20, 2020Publication date: September 3, 2020Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki KaishaInventors: Debasish Banerjee, Songtao Wu, Naohide Uchida, Takeshi Yamakawa, Hidetaka Asano
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Patent number: 10740592Abstract: An apparatus comprises three-dimensional object detecting means for detecting a three-dimensional object in a taken image, temporarily determining means for calculating, based on parallax information, a lower end height from a road surface to a lower end of the object, for temporarily determining that the object is a ground-contacting object when the lower end height is less than or equal to a threshold, and for temporarily determining that the object is a floating object when the lower end height exceeds the threshold, and finally determining means for finally determining whether the object is a ground-contacting object or a floating object. The finally determining means finally determines that the object is a ground-contacting object at the current computation timing when the object is determined to be a ground-contacting object in at least one of the temporary determination at the current computation timing and the final determination at the previous computation timing.Type: GrantFiled: September 28, 2018Date of Patent: August 11, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Naohide Uchida, Fumio Sugaya, Ken Tanabe, Hirotake Ishigami, Masaki Kuwahara