Patents by Inventor Yasunori Kotani
Yasunori Kotani 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: 11844613Abstract: A fatigue state determination device and a fatigue state determination method determine a fatigue state of a subject. The fatigue state determination device includes a brain-function activation information provision unit and a fatigue state determination unit. The brain-function activation information provision unit provides brain-function activation information in order to activate a human brain function of a subject. The fatigue state determination unit determines a fatigue state of the subject based on facial-surface change information indicative of a time-series change of facial surface data on the subject while the brain-function activation information is being provided.Type: GrantFiled: February 28, 2017Date of Patent: December 19, 2023Assignees: Daikin Industries, Ltd., TOKYO INSTITUTE OF TECHNOLOGYInventors: Junichiro Arai, Yasunori Kotani, Taro Tomatsu, Yoshimi Ohgami
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Patent number: 11786165Abstract: A physiological state determination device determines a predetermined physiological state of a subject. The physiological state determination device includes a brain function activation information detection unit, a face change information acquisition unit, and a physiological state determination unit. The brain function activation information detection unit detects brain function activation information corresponding to a physiological state. The face change information acquisition unit acquires face change information indicating a time-series change in face data of a subject. The physiological state determination unit determines the predetermined physiological state of the subject based on the brain function activation information and the face change information.Type: GrantFiled: April 12, 2018Date of Patent: October 17, 2023Assignees: Daikin Industries, Ltd., TOKYO INSTITUTE OF TECHNOLOGYInventors: Junichiro Arai, Takashi Gotou, Akira Matsubara, Takahiro Hirayama, Hideki Hashizume, Arina Hashimoto, Yasunori Kotani, Taro Tomatsu, Yoshimi Ohgami
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Patent number: 11357443Abstract: A determination result output device and a determination result output system output a determination result indicating various states of a subject, and a determination result provision device provides a determination result. A determination result output system includes a determination result output device that outputs a determination result indicating the state of a subject, and a determination result provision device that provides the determination result. When acquiring facial-surface change information related to a target purpose from the determination result output device, the determination result provision device generates determination information from facial-surface change information, determines a determination result including a state level of the subject, and sends the determination result to the determination result output device.Type: GrantFiled: February 28, 2017Date of Patent: June 14, 2022Assignees: Daikin Industries, Ltd., TOKYO INSTITUTE OF TECHNOLOGYInventors: Junichiro Arai, Yasunori Kotani, Taro Tomatsu, Yoshimi Ohgami
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Patent number: 11253155Abstract: A brain activity estimation device includes a brain activity estimation portion. The brain activity estimation portion includes a blood-circulation-amount calculating unit and an estimation unit. The blood-circulation-amount calculating unit is configured to calculate time-series blood-circulation-amount data on a facial surface of a human based on RGB data of photographed image data on the facial surface acquired in time series. The RGB data is obtained by conducting RGB processing on the photographed image data. The RGB processing includes decomposing the photographed image data into three color components composed of an R component, a G component and a B component. The estimation unit is configured to estimate brain activity of the human based on a plurality of decomposition components obtained by decomposing the blood-circulation-amount data by singular value decomposition, principal component analysis, or independent component analysis.Type: GrantFiled: June 13, 2016Date of Patent: February 22, 2022Assignees: Daikin Industries, Ltd., TOKYO INSTITUTE OF TECHNOLOGYInventors: Junichiro Arai, Yasunori Kotani, Yoshimi Ohgami, Taro Tomatsu
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Patent number: 10842431Abstract: A mental illness determination device includes a face change information acquisition unit and a mental illness determination unit. The face change information acquisition unit is configured to acquire face change information indicating a time-series change in face data of a subject when emotional stimulation information for stimulating any sense or any combination of senses among an auditory sense, an olfactory sense, a gustatory sense, a tactile sense, and a somatic sensation of the subject to change emotion, and is divided into positive information for increasing comfort and negative information for decreasing comfort is provided to the subject. The mental illness determination unit is configured to determine a state of mental illness of the subject on the basis of the face change information.Type: GrantFiled: December 12, 2017Date of Patent: November 24, 2020Assignees: Daikin Industries, Ltd., Tokyo Institute of Technology, National University Corporation Tottori UniversityInventors: Junichiro Arai, Akira Matsubara, Takahiro Hirayama, Hideki Hashizume, Takashi Gotou, Yasunori Kotani, Yoshimi Ohgami, Taro Tomatsu, Koichi Kaneko, Katsutoshi Yokoyama, Hiroshi Matsumura, Shenghong Pu, Masashi Itakura, Hiroaki Ohdachi, Masaru Ueki, Shinya Masuda
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Patent number: 10813556Abstract: An estimation device includes at least one of a facial skin temperature acquisition unit and a facial photographic image acquisition unit, and an evaluation unit. The facial skin temperature acquisition unit acquires, in time-series, facial skin temperature data of a facial surface of a subject to which brain function activation information is provided. The facial photographic image acquisition unit obtains, in time-series, facial photographic image data obtained by imaging the facial surface of the subject to which the brain function activation information is provided. The evaluation unit evaluates a degree of interest of the subject based on at least one of the facial skin temperature data acquired by the facial skin temperature acquisition unit and the facial surface photographic image data acquired by the facial surface photographic image data acquisition unit.Type: GrantFiled: October 17, 2016Date of Patent: October 27, 2020Assignees: Daikin Industries, Ltd., Tokyo Institute of TechnologyInventors: Junichiro Arai, Takashi Gotou, Makoto Iwakame, Kenichi Hino, Tomoya Hirano, Yasunori Kotani, Yoshimi Ohgami, Taro Tomatsu
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Patent number: 10786207Abstract: A physiological state determination system includes a CPU and a camera. The camera acquires a photographic image data of a time-series change in facial data of a subject to which brain function activation information that activates human brain function was provided. The CPU determines a mental or physical physiological state of the subject based on facial change information corresponding to the photographic image data.Type: GrantFiled: April 12, 2018Date of Patent: September 29, 2020Assignees: Daikin Industries, Ltd., Tokyo Institute of TechnologyInventors: Junichiro Arai, Takashi Gotou, Makoto Iwakame, Kenichi Hino, Tomoya Hirano, Takahiro Hirayama, Yasunori Kotani, Yoshimi Ohgami, Taro Tomatsu
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Patent number: 10733426Abstract: A driver state determination device includes a facial change information acquisition unit acquiring facial change information indicating a time-series change in facial data of a subject, and a driver state determination unit determining the driver state of the subject based on the facial change information. The subject is selected from the group consisting of a subject driving a machine from when brain function activation information that activates human brain function is provided, a subject driving a machine from when the brain function activation information provided to the subject driving the machine is detected, and a subject performing a predetermined operation on a machine.Type: GrantFiled: October 17, 2016Date of Patent: August 4, 2020Assignees: Daikin Industries, Ltd., Tokyo Institute of TechnologyInventors: Junichiro Arai, Takashi Gotou, Makoto Iwakame, Kenichi Hino, Tomoya Hirano, Yasunori Kotani, Yoshimi Ohgami, Taro Tomatsu
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Patent number: 10709338Abstract: A useful information presentation device includes a facial skin temperature acquisition unit and/or a blood circulation volume acquisition unit, a brain activity estimation unit, and a useful information presentation unit. The facial skin temperature acquisition unit acquires facial skin temperature data in time-series. The blood circulation volume acquisition unit acquires photographic image data by imaging the facial surface in time-series. The brain activity estimation unit decomposes the facial skin temperature data and/or the facial blood circulation volume data into a plurality of components by singular value decomposition, principal component analysis, or independent component analysis, and the brain activity estimation unit estimating brain activity of the subject based on the plurality of components.Type: GrantFiled: October 17, 2016Date of Patent: July 14, 2020Assignees: Daikin Industries, Ltd., Tokyo Institute of TechnologyInventors: Junichiro Arai, Takashi Gotou, Makoto Iwakame, Kenichi Hino, Tomoya Hirano, Yasunori Kotani, Yoshimi Ohgami, Taro Tomatsu
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Patent number: 10667738Abstract: A brain activity estimation device includes a facial skin temperature acquisition element and a brain activity estimation element. The acquisition element detects a skin temperature of at least part of a human face, and acquires facial skin temperature data including detected temperature data and location data of a detection region in a time series manner. The estimation element estimates human brain activity based on the facial skin temperature data acquired. The estimation element decomposes the facial skin temperature data into a plurality of components, extracts a component as a determination component, and determines whether the determination component is related to the human brain activity based on a presence or absence of a temperature change in a prescribed region of the human face.Type: GrantFiled: August 28, 2015Date of Patent: June 2, 2020Assignees: Daikin Industries, Ltd., Tokyo Institute of TechnologyInventors: Junichiro Arai, Yasunori Kotani, Taro Tomatsu, Yoshimi Ohgami
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Publication number: 20200029884Abstract: A physiological state determination device determines a predetermined physiological state of a subject. The physiological state determination device includes a brain function activation information detection unit, a face change information acquisition unit, and a physiological state determination unit. The brain function activation information detection unit detects brain function activation information corresponding to a physiological state. The face change information acquisition unit acquires face change information indicating a time-series change in face data of a subject. The physiological state determination unit determines the predetermined physiological state of the subject based on the brain function activation information and the face change information.Type: ApplicationFiled: April 12, 2018Publication date: January 30, 2020Inventors: Junichiro ARAI, Takashi GOTOU, Akira MATSUBARA, Takahiro HIRAYAMA, Hideki HASHIZUME, Arina HASHIMOTO, Yasunori KOTANI, Taro TOMATSU, Yoshimi OHGAMI
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Publication number: 20190298244Abstract: A mental illness determination device includes a face change information acquisition unit and a mental illness determination unit. The face change information acquisition unit is configured to acquire face change information indicating a time-series change in face data of a subject when emotional stimulation information for stimulating any sense or any combination of senses among an auditory sense, an olfactory sense, a gustatory sense, a tactile sense, and a somatic sensation of the subject to change emotion, and is divided into positive information for increasing comfort and negative information for decreasing comfort is provided to the subject. The mental illness determination unit is configured to determine a state of mental illness of the subject on the basis of the face change information.Type: ApplicationFiled: December 12, 2017Publication date: October 3, 2019Inventors: Junichiro ARAI, Akira MATSUBARA, Takahiro HIRAYAMA, Hideki HASHIZUME, Takashi GOTOU, Yasunori KOTANI, Yoshimi OHGAMI, Taro TOMATSU, Koichi KANEKO, Katsutoshi YOKOYAMA, Hiroshi MATSUMURA, Shenghong PU, Masashi ITAKURA, Hiroaki OHDACHI, Masaru UEKI, Shinya MASUDA
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Publication number: 20190069832Abstract: A determination result output device and a determination result output system output a determination result indicating various states of a subject, and a determination result provision device provides a determination result. A determination result output system includes a determination result output device that outputs a determination result indicating the state of a subject, and a determination result provision device that provides the determination result. When acquiring facial-surface change information related to a target purpose from the determination result output device, the determination result provision device generates determination information from facial-surface change information, determines a determination result including a state level of the subject, and sends the determination result to the determination result output device.Type: ApplicationFiled: February 28, 2017Publication date: March 7, 2019Inventors: Junichiro ARAI, Yasunori KOTANI, Taro TOMATSU, Yoshimi OHGAMI
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Publication number: 20190059799Abstract: A fatigue state determination device and a fatigue state determination method determine a fatigue state of a subject. The fatigue state determination device includes a brain-function activation information provision unit and a fatigue state determination unit. The brain-function activation information provision unit provides brain-function activation information in order to activate a human brain function of a subject. The fatigue state determination unit determines a fatigue state of the subject based on facial-surface change information indicative of a time-series change of facial surface data on the subject while the brain-function activation information is being provided.Type: ApplicationFiled: February 28, 2017Publication date: February 28, 2019Inventors: Junichiro ARAI, Yasunori KOTANI, Taro TOMATSU, Yoshimi OHGAMI
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Publication number: 20180307902Abstract: A driver state determination device includes a facial change information acquisition unit acquiring facial change information indicating a time-series change in facial data of a subject, and a driver state determination unit determining the driver state of the subject based on the facial change information. The subject is selected from the group consisting of a subject driving a machine from when brain function activation information that activates human brain function is provided, a subject driving a machine from when the brain function activation information provided to the subject driving the machine is detected, and a subject performing a predetermined operation on a machine.Type: ApplicationFiled: October 17, 2016Publication date: October 25, 2018Applicants: DAIKIN INDUSTRIES, LTD., TOKYO INSTITUTE OF TECHNOLOGYInventors: Junichiro ARAI, Takashi GOTOU, Makoto IWAKAME, Kenichi HINO, Tomoya HIRANO, Yasunori KOTANI, Yoshimi OHGAMI, Taro TOMATSU
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Publication number: 20180303350Abstract: An estimation device includes at least one of a facial skin temperature acquisition unit and a facial photographic image acquisition unit, and an evaluation unit. The facial skin temperature acquisition unit acquires, in time-series, facial skin temperature data of a facial surface of a subject to which brain function activation information is provided. The facial photographic image acquisition unit obtains, in time-series, facial photographic image data obtained by imaging the facial surface of the subject to which the brain function activation information is provided. The evaluation unit evaluates a degree of interest of the subject based on at least one of the facial skin temperature data acquired by the facial skin temperature acquisition unit and the facial surface photographic image data acquired by the facial surface photographic image data acquisition unit.Type: ApplicationFiled: October 17, 2016Publication date: October 25, 2018Inventors: Junichiro ARAI, Takashi GOTOU, Makoto IWAKAME, Kenichi HINO, Tomoya HIRANO, Yasunori KOTANI, Yoshimi OHGAMI, Taro TOMATSU
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Publication number: 20180289266Abstract: A useful information presentation device includes a facial skin temperature acquisition unit and/or a blood circulation volume acquisition unit, a brain activity estimation unit, and a useful information presentation unit. The facial skin temperature acquisition unit acquires facial skin temperature data in time-series. The blood circulation volume acquisition unit acquires photographic image data by imaging the facial surface in time-series. The brain activity estimation unit decomposes the facial skin temperature data and/or the facial blood circulation volume data into a plurality of components by singular value decomposition, principal component analysis, or independent component analysis, and the brain activity estimation unit estimating brain activity of the subject based on the plurality of components.Type: ApplicationFiled: October 17, 2016Publication date: October 11, 2018Inventors: Junichiro ARAI, Takashi GOTOU, Makoto IWAKAME, Kenichi HINO, Tomoya HIRANO, Yasunori KOTANI, Yoshimi OHGAMI, Taro TOMATSU
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Publication number: 20180228447Abstract: A physiological state determination system includes a CPU and a camera. The camera acquires a photographic image data of a time-series change in facial data of a subject to which brain function activation information that activates human brain function was provided. The CPU determines a mental or physical physiological state of the subject based on facial change information corresponding to the photographic image data.Type: ApplicationFiled: April 12, 2018Publication date: August 16, 2018Inventors: Junichiro ARAI, Takashi GOTOU, Makoto IWAKAME, Kenichi HINO, Tomoya HIRANO, Takahiro HIRAYAMA, Yasunori KOTANI, Yoshimi OHGAMI, Taro TOMATSU
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Publication number: 20180168451Abstract: A brain activity estimation device includes a brain activity estimation portion. The brain activity estimation portion includes a blood-circulation-amount calculating unit and an estimation unit. The blood-circulation-amount calculating unit is configured to calculate time-series blood-circulation-amount data on a facial surface of a human based on RGB data of photographed image data on the facial surface acquired in time series. The RGB data is obtained by conducting RGB processing on the photographed image data. The RGB processing includes decomposing the photographed image data into three color components composed of an R component, a G component and a B component. The estimation unit is configured to estimate brain activity of the human based on a plurality of decomposition components obtained by decomposing the blood-circulation-amount data by singular value decomposition, principal component analysis, or independent component analysis.Type: ApplicationFiled: June 13, 2016Publication date: June 21, 2018Inventors: Junichiro ARAI, Yasunori KOTANI, Yoshimi OHGAMI, Taro TOMATSU
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Patent number: 9905880Abstract: A fuel cell stack is comprised of a plurality of power generating units which are stacked along the horizontal direction. An oxidant gas inlet port and a fuel gas inlet port are provided in an upper portion of one of the power generating units, and an oxidant gas outlet port and a fuel gas outlet port are provided in the lower portion of the power generating unit. A refrigerant inlet port and a refrigerant outlet port are formed in each of the left and right portions of the power generating unit.Type: GrantFiled: March 29, 2017Date of Patent: February 27, 2018Assignee: Honda Motor Co., Ltd.Inventors: Masahiro Mohri, Yasunori Kotani, Masaru Oda, Yasuhiro Watanabe, Akihiro Matsui, Keiko Yamazaki, Chikara Iwasawa, Hideo Okamoto, Masahiro Ise, Hiroaki Ohta