Patents by Inventor Shintaro Watanabe
Shintaro Watanabe 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: 20240122565Abstract: A user is presented with determination information obtained by determining a condition of a target site and feature information indicating a feature related to a condition of a body of a subject, which are generated from the same image representing the target site of the subject. A determination system includes an acquirer that acquires a target image representing a target site of a body of a subject, a first generator that generates first determination information indicating a condition of the target site from the target image used to generate the first determination information, a second generator that generates feature information indicating a feature related to a condition of the body of the subject from the target image, and a display controller that causes a display apparatus to display the first determination information and the feature information.Type: ApplicationFiled: January 25, 2022Publication date: April 18, 2024Inventors: Kenichi WATANABE, Masayuki KYOMOTO, Masahiko HASHIDA, Shintaro HONDA, Naoya WADA
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Publication number: 20240122513Abstract: An awakening effort motion estimation device includes processing circuitry configured to acquire a captured image obtained by imaging an occupant's face in a vehicle; detect, on a basis of the captured image having been acquired, two reference points for estimating a motion of the occupant's mouth, the two reference points including one point on a mask worn by the occupant, and the other point being a point based on a feature point of the occupant's face or a point different from the one point on the mask in the captured image; calculate a reference point distance between the detected two reference points; and estimate whether or not the occupant is performing an awakening effort motion by moving his or her mouth depending on whether or not the calculated reference point distance satisfies an awakening effort estimating condition.Type: ApplicationFiled: April 6, 2021Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Natsuki TAHARA, Takashi HIRANO, Shintaro WATANABE, Atsushi MATSUMOTO
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Publication number: 20240125462Abstract: A lighting device includes: a plurality of light sources that illuminate in all directions; a first detector that detects an installation orientation of the lighting device; and a controller that changes a light-emission pattern of each of the plurality of light sources according to the installation orientation of the lighting device detected by the first detector.Type: ApplicationFiled: April 15, 2022Publication date: April 18, 2024Inventors: Shintaro HAYASHI, Kenta WATANABE
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Publication number: 20240119587Abstract: A prediction image is generated and output that represents a condition of a target region of a subject. A prediction system includes a prediction information acquirer that acquires (a) a subject image representing a target region of a subject at a first time, and (b) first prediction information regarding the target region at a second time when a predetermined period has elapsed from the first time; and a prediction image generation unit that generates a prediction image indicating a condition of the target region at the second time from the subject image based on the first prediction information and output the prediction image.Type: ApplicationFiled: January 19, 2022Publication date: April 11, 2024Inventors: Kenichi WATANABE, Masayuki KYOMOTO, Masahiko HASHIDA, Shintaro HONDA, Naoya WADA
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Patent number: 11932792Abstract: A red phosphor represented by general formula: MSiAlN3, wherein M is at least one or more elements selected from Mg, Ca, Sr and Ba, and is partially replaced with Eu and has, as a host crystal, a crystal structure identical to that of a CaAlSiN3 crystal phase, and the phosphor has a bulk density of 0.70 g/cm3 or more and 2.30 g/cm3 or less. There is also provided a light-emitting element including the red phosphor and a semiconductor light-emitting element capable of exciting the red phosphor.Type: GrantFiled: March 19, 2019Date of Patent: March 19, 2024Assignee: DENKA COMPANY LIMITEDInventors: Yusuke Takeda, Tomohiro Nomiyama, Marina Takamura, Shintaro Watanabe
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Patent number: 11898079Abstract: A phosphor powder composed of ?-sialon phosphor particles containing Eu. The phosphor powder has an ammonium ion concentration CA of the phosphor powder of equal to or more than 15 ppm and equal to or less than 100 ppm, which is determined from the following extracted ion analysis. (Extracted Ion Analysis A) 0.5 g of a phosphor powder is added to 25 ml of distilled water in a polytetrafluoroethylene (PTFE)-made container with a lid and held at 60° C. for 24 hours, and then a total mass MA of ammonium ions included in an aqueous solution obtained by removing a solid content from the solution by filtration is determined using ion chromatography. Then, CA is determined by dividing MA by the mass of the phosphor powder.Type: GrantFiled: March 24, 2020Date of Patent: February 13, 2024Assignee: DENKA COMPANY LIMITEDInventors: Tomohiro Nomiyama, Yusuke Takeda, Tatsuya Okuzono, Masaru Miyazaki, Shintaro Watanabe
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Publication number: 20230406322Abstract: An awakening level estimation device includes: processing circuitry configured to acquire two or more types of occupant state information different from each other, the occupant state information indicating a current state value of an occupant; acquire occupant basic state information indicating a basic state value of the occupant when the occupant is in an awakening state; acquire difference information indicating a difference between the current state value and the basic state value, estimate an awakening level of the occupant on the basis of the two or more types of difference information, and input the two or more types of difference information to a learned model corresponding to a leaning result by machine learning, and generating and outputting awakening level information indicating an awakening level on the basis of an estimation result output from the leaned model.Type: ApplicationFiled: December 28, 2020Publication date: December 21, 2023Applicant: Mitsubishi Electric CorporationInventors: Atsushi MATSUMOTO, Shintaro WATANABE, Yumiko OKAMOTO, Genta YOSHIMURA
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Patent number: 11795391Abstract: A phosphor having a main crystal phase having a crystal structure identical to that of CaAlSiN3, and including a Ca element partially replaced with an Eu element, wherein the phosphor has a median size d50 of 12.0 ?m or more and 22.0 ?m or less, as measured according to a laser diffraction scattering method, and has a specific surface area of 1.50 m2/g or more and 10.00 m2/g or less, as measured according to a BET method.Type: GrantFiled: April 8, 2019Date of Patent: October 24, 2023Assignee: DENKA COMPANY LIMITEDInventors: Yusuke Takeda, Tomohiro Nomiyama, Marina Takamura, Shintaro Watanabe
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Patent number: 11702592Abstract: A ?-sialon phosphor that is a solid solution of europium, in which D50 is 7.0 ?m or more and 20.0 ?m or less and (D50?D10)/D50 is 0.60 or less, where D50 is a 50% area diameter of primary particles of the ?-sialon phosphor, and D10 is a 10% area diameter of the primary particles of the ?-sialon phosphor. Primary particles are defined as single-crystal particles distinguished for each crystal orientation by identifying the crystal orientation of individual particles of the ?-sialon phosphor by an electron backscatter diffraction image method. D50 and D10 are obtained by image analysis of the cross-sectional area of the primary particles.Type: GrantFiled: November 7, 2019Date of Patent: July 18, 2023Assignee: DENKA COMPANY LIMITEDInventors: Manabu Kobayashi, Keita Kobayashi, Tomohiro Nomiyama, Shintaro Watanabe
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Publication number: 20230211791Abstract: Included are: a captured image acquiring unit to acquire a captured image obtained by imaging an occupant; a temperature image acquiring unit to acquire a temperature image indicating a temperature of a surface of a body of the occupant measured in a non-contact manner; a motion detection unit to detect a motion of the occupant on the basis of the captured image; a temperature detection unit to detect a temperature of a hand of the occupant on the basis of the temperature image; and an awakening level estimating unit to estimate an awakening level of the occupant on the basis of the motion of the occupant detected by the motion detection unit and the temperature of the hand of the occupant detected by the temperature detection unit.Type: ApplicationFiled: July 9, 2020Publication date: July 6, 2023Applicant: Mitsubishi Electric CorporationInventors: Hirotaka SAKAMOTO, Toshiyuki HATTA, Shintaro WATANABE
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Publication number: 20230089508Abstract: A biological information acquisition device includes a detection-value acquisition unit to acquire a detection value from a non-contact biometric sensor, a vital measurement unit to measure a vital sign of a target person (TP) using the detection value, an image-data acquisition unit to acquire image data indicating an image captured by a camera, an image processing unit to perform at least one of a state estimation process of estimating a state of the target person, an attribute estimation process of estimating an attribute of the target person, or a personal identification process of identifying the target person by performing image processing on the image captured including the target person, and a parameter setting unit to set a parameter in measuring the vital sign in accordance with a result of the image processing.Type: ApplicationFiled: April 6, 2020Publication date: March 23, 2023Applicant: Mitsubishi Electric CorporationInventors: Chihiro KISHI, Hirotaka SAKAMOTO, Atsushi MATSUMOTO, Shintaro WATANABE, Jun ISHII
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Publication number: 20230043992Abstract: A pupil detection device includes an eye area image obtaining unit that obtains image data representing an eye area image in a captured image obtained by a camera; a luminance gradient calculating unit that calculates luminance gradient vectors corresponding to respective individual image units in the eye area image, using the image data; an evaluation value calculating unit that calculates evaluation values corresponding to the respective individual image units, using the luminance gradient vectors; and a pupil location detecting unit that detects a pupil location in the eye area image, using the evaluation values.Type: ApplicationFiled: January 8, 2020Publication date: February 9, 2023Applicant: Mitsubishi Electric CorporationInventors: Atsushi MATSUMOTO, Ryosuke TORAMA, Shintaro WATANABE, Ryohei MURACHI
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Patent number: 11485906Abstract: An ?-sialon phosphor particle containing Eu. At least one minute recess is formed on a surface of the ?-sialon phosphor particle. The ?-sialon phosphor particle is preferably produced by undergoing a raw material mixing step, a heating step, a pulverizing step, and an acid treatment step.Type: GrantFiled: March 24, 2020Date of Patent: November 1, 2022Assignee: DENKA COMPANY LIMITEDInventors: Tomohiro Nomiyama, Yusuke Takeda, Marina Takamura, Tatsuya Okuzono, Masaru Miyazaki, Shintaro Watanabe
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Patent number: 11488319Abstract: A three-dimensional position estimation device includes: a feature point extracting unit for detecting an area corresponding to the face of an occupant in an image captured by a camera for imaging a vehicle interior and extracting a plurality of feature points in the detected area; an inter-feature-point distance calculating unit for calculating a first inter-feature-point distance that is a distance between distance-calculating feature points among the plurality of feature points; a face direction detecting unit for detecting the face direction of the occupant; a head position angle calculating unit for calculating a head position angle indicating the position of the head of the occupant with respect to an imaging axis of the camera; an inter-feature-point distance correcting unit for correcting the first inter-feature-point distance to a second inter-feature-point distance that is a distance between distance-calculating feature points in a state where portions of the head corresponding to the distance-calcuType: GrantFiled: February 26, 2018Date of Patent: November 1, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yusuke Nakamatsu, Asako Shigeta, Shintaro Watanabe, Ryosuke Torama, Takashi Hirano
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Patent number: 11434422Abstract: A phosphor powder composed of ?-sialon phosphor particles containing Eu. In a case where an internal quantum efficiency after the phosphor powder is held at 600° C. for 1 hour in an air atmosphere is defined as P1 and an internal quantum efficiency after the phosphor powder is held at 700° C. for 1 hour in an air atmosphere is defined as P2, P1 is equal to or more than 70% and (P1?P2)/P1×100 is equal to or less than 2.8%.Type: GrantFiled: March 24, 2020Date of Patent: September 6, 2022Assignee: DENKA COMPANY LIMITEDInventors: Tomohiro Nomiyama, Yusuke Takeda, Taiyo Yamaura, Tatsuya Okuzono, Masaru Miyazaki, Shintaro Watanabe
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Patent number: 11380822Abstract: The purpose of the invention is to both improve the luminance of a SCASN-based phosphor and achieve deep-color rendering properties. Provided is a red phosphor having a main crystal phase having the same crystal structure as a crystal structure of CaAlSiN3, the main crystal phase represented by the general formula MAlSiN3, wherein an internal quantum efficiency, as measured when the red phosphor is excited by light having a wavelength of 455 nm, is 71% or more, and M in the general formula represents an element group containing at least three elements selected from Eu, Sr, Mg, Ca, and Ba, the element group containing Eu, Sr, and Ca as essentials, and a Eu content is 4.5 mass % or more and 7.0 mass % or less, a Sr content is 34.0 mass % or more and 42.0 mass % or less, and a Ca content is 0.8 mass % or more and 3.0 mass % or less.Type: GrantFiled: October 2, 2018Date of Patent: July 5, 2022Assignee: DENKA COMPANY LIMITEDInventors: Tomohiro Nomiyama, Marina Takamura, Yusuke Takeda, Shintaro Watanabe
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Patent number: 11359139Abstract: A phosphor powder composed of ?-sialon phosphor particles containing Eu. With regard to the phosphor powder, a volume-based median diameter (D50) determined by a laser diffraction scattering method is equal to or more than 10 ?m and equal to or less than 20 ?m, and a diffuse reflectance with respect to light at a wavelength of 600 nm is equal to or more than 93% and equal to or less than 99%.Type: GrantFiled: March 24, 2020Date of Patent: June 14, 2022Assignee: DENKA COMPANY LIMITEDInventors: Yusuke Takeda, Tomohiro Nomiyama, Marina Takamura, Tatsuya Okuzono, Masaru Miyazaki, Shintaro Watanabe
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Patent number: 11361560Abstract: A passenger state detection device (100) includes: a correction parameter setting unit (30) for setting a correction parameter for a captured image captured by a camera (2) for capturing a vehicle interior for each of detection items in passenger state detecting process including the multiple detection items using at least one of a feature amount in a face part area that corresponds to a passenger's face part in the captured image or a feature amount in a structure area that corresponds to a structure in the vehicle interior in the captured image; and an image correcting unit (40) for correcting the captured image for each of the detection items in the passenger state detecting process using the correction parameter set by the correction parameter setting unit (30).Type: GrantFiled: February 19, 2018Date of Patent: June 14, 2022Assignee: Mitsubishi Electric CorporationInventors: Natsuki Tahara, Shintaro Watanabe, Masanobu Osawa
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Patent number: 11339325Abstract: An ?-sialon phosphor particle containing Eu. At least one slit is formed on a surface of the ?-sialon phosphor particle. The ?-sialon phosphor particle is preferably produced by undergoing a raw material mixing step, a heating step, a pulverizing step, and an acid treatment step.Type: GrantFiled: March 24, 2020Date of Patent: May 24, 2022Assignee: DENKA COMPANY LIMITEDInventors: Tomohiro Nomiyama, Yusuke Takeda, Marina Takamura, Tatsuya Okuzono, Masaru Miyazaki, Shintaro Watanabe
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Publication number: 20220145177Abstract: A phosphor powder composed of ?-sialon phosphor particles containing Eu. In a case where an internal quantum efficiency after the phosphor powder is held at 600° C. for 1 hour in an air atmosphere is defined as P1 and an internal quantum efficiency after the phosphor powder is held at 700° C. for 1 hour in an air atmosphere is defined as P2, P1 is equal to or more than 70% and (P1?P2)/P1×100 is equal to or less than 2.8%.Type: ApplicationFiled: March 24, 2020Publication date: May 12, 2022Applicant: DENKA COMPANY LIMITEDInventors: Tomohiro NOMIYAMA, Yusuke TAKEDA, Taiyo YAMAURA, Tatsuya OKUZONO, Masaru MIYAZAKI, Shintaro WATANABE