Patents by Inventor Kenichi Fujiwara
Kenichi Fujiwara 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: 20240123776Abstract: A tire assembly includes a tire for mounting on a vehicle, an elastic body disposed on an inner side of the tire, and a power generation body disposed between an inner surface of the tire and the elastic body. The power generation body includes a first member and a second member. The first member has a first insulating film forming a first surface. The second member has a second insulating film forming a second surface that faces the first surface and contacts the first surface. The elastic body biases the power generation body toward the inner surface of the tire.Type: ApplicationFiled: October 6, 2021Publication date: April 18, 2024Applicants: Sumitomo Rubber Industries, Ltd., The School Corporation Kansai UniversityInventors: Mutsuki SUGIMOTO, Hiroshi TANI, Kenichi KURODA, Takahiro FUJIWARA, Kyota SUGIOKA
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Patent number: 11957475Abstract: A biometric information processing device (1) includes a brain wave detecting unit (10), a control unit (20), and a movement assisting unit (30). The brain wave detecting unit (10) detects biometric information in at least one brain region from among a plurality of brain regions that are selectable in accordance with a body part that is a target of function recovery or function improvement. The control unit (20) determines, based on the detected biometric information, at least one activity state in the brain including the location of the brain region(s) that is (are) activated in a subject while attempting to move the body part, and an activation level of such activated brain region(s). When the control unit (20) determines that the at least one activated state of the brain satisfies a predetermined condition, the movement assisting unit (30) executes a predetermined motion to assist movement of the body part.Type: GrantFiled: May 15, 2017Date of Patent: April 16, 2024Assignee: KEIO UNIVERSITYInventors: Junichi Ushiba, Fumio Liu, Kenichi Takasaki, Atsuko Nishimoto, Miho Hiramoto, Katsuhiro Mizuno, Meigen Liu, Toshiyuki Fujiwara
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Patent number: 11921162Abstract: According to one embodiment, the information processing device includes: a first state estimator configured to estimate a state of a target rechargeable battery based on: first data including a charge amount and voltage value of a rechargeable battery; information including a state of the rechargeable battery; and second data including a charge amount and voltage value of the rechargeable battery.Type: GrantFiled: September 8, 2021Date of Patent: March 5, 2024Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Hisaaki Hatano, Takahiro Yamamoto, Kohei Maruchi, Kenichi Fujiwara, Masatake Sakuma
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Patent number: 11911821Abstract: A compressed powder body comprises metal particles and an interposed substance which is interposed between the metal particles. Each of the metal particles is made of FeSiAl-based soft magnetic alloy and has a flat shape when seen along a predetermined direction. The metal particles include one or more of the metal particles each of which is formed with one or more predetermined holes. Each of the predetermined holes passes through the metal particle in the predetermined direction. Each of the predetermined holes has a maximum width in a predetermined plane perpendicular to the predetermined direction the maximum width being equal to or larger than a thickness of the metal particle with the predetermined hole in the predetermined direction.Type: GrantFiled: November 18, 2022Date of Patent: February 27, 2024Assignee: TOKIN CORPORATIONInventors: Mariko Fujiwara, Kaori Ohdaira, Chieko Fujimoto, Kenichi Chatani
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Patent number: 11592202Abstract: According to one embodiment, a control device for an air conditioner which is communicably connected to first and second terminal devices to be used by first and second users is provided. The control device includes a processor. The processor configured to receive a first personal set temperature which is a temperature set by the first user by operating the first terminal device, receive a second personal set temperature which is a temperature set by the second user by operating the second terminal device, and determine a set value of the air conditioner based on the first personal set temperature and the second personal set temperature.Type: GrantFiled: March 5, 2021Date of Patent: February 28, 2023Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Tomoshi Otsuki, Kenichi Fujiwara, Miho Sako
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Patent number: 11466885Abstract: According to one embodiment, an air-conditioning control device includes model storage and a processor. The model storage is configured to store a discomfort probability model which estimates a value of discomfort of an occupant by a pair of time elapsed after an energy-saving operation of an air conditioner is turned on and before the energy-saving operation is turned off by the occupant, and an air-conditioning state at the time when the energy-saving operation is turned off. The processor is configured to acquire a current air-conditioning state during the energy-saving operation of the air conditioner, and turn off the energy-saving operation, based on occupant's discomfort estimated from the discomfort probability model.Type: GrantFiled: March 12, 2020Date of Patent: October 11, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Carrier CorporationInventors: Kenichi Fujiwara, Satoko Sugisaki
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Patent number: 11410059Abstract: A bias estimation apparatus according to an embodiment estimates a bias included in a measured values by each sensor. The bias estimation apparatus includes a reference model builder, a temporary bias generator, a corrected measured value calculator, a similarity calculator, a similarity selector, a score calculator, and an estimated bias determiner. The reference model builder builds a reference model of the measured value packs. The temporary bias generator generates a temporary bias pack. The corrected measured value calculator calculates corrected measured value packs. The similarity calculator calculates a similarity of each corrected measured value pack. The similarity selector selects a part of the similarities according to their values from among the similarities. The score calculator calculates a score based on the selected similarities. The estimated bias determiner determines an estimated bias which is an estimated value of the bias based on the score.Type: GrantFiled: January 31, 2017Date of Patent: August 9, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Takuro Moriyama, Hideyuki Aisu, Hisaaki Hatano, Kenichi Fujiwara
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Patent number: 11300625Abstract: According to one embodiment, an evaluation device for an energy storage device includes first processing circuitry and second processing circuitry. The first processing circuitry acquires data items including an amount of charge and a voltage value measured in a measurement period from the energy storage device, the energy storage device being charge-discharge-controlled according to charge-discharge command values. The second processing circuitry generates a representative data item of voltage values for amounts of charge, based on the data items acquired for the measurement period; and evaluates a degradation state of the energy storage device, based on a relative change between a plurality of the representative data items corresponding to a plurality of the measurement periods.Type: GrantFiled: September 11, 2019Date of Patent: April 12, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Takahiro Yamamoto, Hisaaki Hatano, Kenichi Fujiwara, Masatake Sakuma, Kaoru Koiwa, Yasuhiro Ogura, Takenori Kobayashi, Kenji Mitsumoto
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Patent number: 11274848Abstract: According to one embodiment, a terminal device used by a user in an indoor space in which an air conditioner is installed includes a processor. The processor is configured to input position information indicating a position of the user in the indoor space, input first bodily sensation information indicating an air conditioning state felt by the user, and output the input position information and the input first bodily sensation information to an external device.Type: GrantFiled: March 13, 2019Date of Patent: March 15, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi Fujiwara, Tomoshi Otsuki, Miho Sako, Takahiro Yamamoto, Eiichi Sunagawa, Shusaku Tsuge
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Patent number: 11221367Abstract: According to one embodiment, an evaluation device includes first processing circuitry and second processing circuitry. The first processing circuitry calculates a feature value of an energy storage device based on voltage values measured from the energy storage device being subjected to charge-discharge-control according to charge-discharge command values. The second processing circuitry derives an evaluation function of a degradation state of the energy storage device according to a difference between a distribution of the charge-discharge command values and a reference distribution. The second processing circuitry evaluates the degradation state of the energy storage device, based on the evaluation function and the calculated feature value.Type: GrantFiled: September 11, 2019Date of Patent: January 11, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Takahiro Yamamoto, Hisaaki Hatano, Masatake Sakuma, Kenichi Fujiwara, Takenori Kobayashi, Tomohiro Toyosaki, Yoshiyuki Sakamoto
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Publication number: 20210405120Abstract: According to one embodiment, the information processing device includes: a first state estimator configured to estimate a state of a target rechargeable battery based on: first data includes a charge amount and voltage value of a rechargeable battery; information including a state of the rechargeable battery; and second data including a charge amount and voltage value of the rechargeable battery.Type: ApplicationFiled: September 8, 2021Publication date: December 30, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hisaaki HATANO, Takahiro YAMAMOTO, Kohei MARUCHI, Kenichi FUJIWARA, Masatake SAKUMA
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Patent number: 11099240Abstract: According to one embodiment, a device for evaluating an energy storage device includes first processing circuitry and second processing circuitry. The first processing circuitry detects a plurality of times at which an amount of charge of the energy storage device satisfies a threshold condition, based on measurement data on the energy storage device in operation, selects a plurality of time intervals, calculates a charge-discharge efficiency in each of the time intervals based on charge-discharge command values belonging to the time interval, and divides a set of the charge-discharge efficiencies into a plurality of clusters and generates characteristic information on the clusters based on at least one of the measurement data and the charge-discharge command values. The second processing circuitry generates output data for displaying: transition data indicating transition of the charge-discharge efficiency belonging to the cluster; and characteristic information on the cluster.Type: GrantFiled: September 11, 2019Date of Patent: August 24, 2021Assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions CorporationInventors: Hisaaki Hatano, Takahiro Yamamoto, Kenichi Fujiwara, Masatake Sakuma, Takenori Kobayashi, Yasuhiro Ogura, Kenji Mitsumoto
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Publication number: 20210190363Abstract: According to one embodiment, a control device for an air conditioner which is communicably connected to first and second terminal devices to be used by first and second users is provided. The control device includes a processor. The processor configured to receive a first personal set temperature which is a temperature set by the first user by operating the first terminal device, receive a second personal set temperature which is a temperature set by the second user by operating the second terminal device, and determine a set value of the air conditioner based on the first personal set temperature and the second personal set temperature.Type: ApplicationFiled: March 5, 2021Publication date: June 24, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tomoshi OTSUKI, Kenichi FUJIWARA, Miho SAKO
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Publication number: 20210178927Abstract: There is provided a rechargeable battery evaluation device including: a charging controller configured to switch charging current of a rechargeable battery being charged with first current to second current; and a first state estimator configured to estimate a state of the rechargeable battery based on a feature of change in at least one of a voltage and a charging amount of the rechargeable battery due to switching from the charging current to the second current.Type: ApplicationFiled: February 26, 2021Publication date: June 17, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takahiro YAMAMOTO, Kaoru KOIWA, Hisaaki HATANO, Kenichi FUJIWARA, Kohei MARUCHI, Koji TAKAZAWA, Yoshiyuki ISOZAKI, Shun EGUSA, Tomokazu MORITA
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Publication number: 20200233037Abstract: According to one embodiment, an evaluation device for an energy storage device includes first processing circuitry and second processing circuitry. The first processing circuitry acquires data items including an amount of charge and a voltage value measured in a measurement period from the energy storage device, the energy storage device being charge-discharge-controlled according to charge-discharge command values. The second processing circuitry generates a representative data item of voltage values for amounts of charge, based on the data items acquired for the measurement period; and evaluates a degradation state of the energy storage device, based on a relative change between a plurality of the representative data items corresponding to a plurality of the measurement periods.Type: ApplicationFiled: September 11, 2019Publication date: July 23, 2020Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Takahiro YAMAMOTO, Hisaaki Tatano, Kenichi Fujiwara, Masatake Sakuma, Kaoru Koiwa, Yasuhiro Ogura, Takenori Kobayashi, Kenji Mitsumoto
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Publication number: 20200217896Abstract: According to one embodiment, a device for evaluating an energy storage device includes first processing circuitry and second processing circuitry. The first processing circuitry detects a plurality of times at which an amount of charge of the energy storage device satisfies a threshold condition, based on measurement data on the energy storage device in operation, selects a plurality of time intervals, calculates a charge-discharge efficiency in each of the time intervals based on charge-discharge command values belonging to the time interval, and divides a set of the charge-discharge efficiencies into a plurality of clusters and generates characteristic information on the clusters based on at least one of the measurement data and the charge-discharge command values. The second processing circuitry generates output data for displaying: transition data indicating transition of the charge-discharge efficiency belonging to the cluster; and characteristic information on the cluster.Type: ApplicationFiled: September 11, 2019Publication date: July 9, 2020Applicants: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions CorporationInventors: Hisaaki Hatano, Takahiro Yamamoto, Kenichi Fujiwara, Masatake Sakuma, Takenori Kobayashi, Yasuhiro Ogura, Kenji Mitsumoto
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Publication number: 20200208863Abstract: According to one embodiment, an air-conditioning control device includes model storage and a processor. The model storage is configured to store a discomfort probability model which estimates a value of discomfort of an occupant by a pair of time elapsed after an energy-saving operation of an air conditioner is turned on and before the energy-saving operation is turned off by the occupant, and an air-conditioning state at the time when the energy-saving operation is turned off. The processor is configured to acquire a current air-conditioning state during the energy-saving operation of the air conditioner, and turn off the energy-saving operation, based on occupant's discomfort estimated from the discomfort probability model.Type: ApplicationFiled: March 12, 2020Publication date: July 2, 2020Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Carrier CorporationInventors: Kenichi FUJIWARA, Satoko SUGISAKI
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Patent number: 10641512Abstract: An air-conditioning operation condition generation apparatus as an aspect of the present invention generates trial conditions for multiple air conditioners associated with a target space of air-conditioning control, evaluates a trial performed by coordination of the plurality of air conditioners under the trial conditions, and generates actual operation conditions for the plurality of air conditioners to achieve a targeted state in the target space on the basis of evaluation of the trial.Type: GrantFiled: March 5, 2018Date of Patent: May 5, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Tomoshi Otsuki, Kenichi Fujiwara, Mamiko Abe, Takahiro Yamamoto
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Patent number: 10627265Abstract: In one embodiment, a sensor assignment apparatus includes a measured value storage, a generator, a calculator, and a selector. The measured value storage stores measured values of a plurality of sensors. The generator generates combinations of sensors and arguments of a function to diagnose sensors by assigning sensors to its arguments. The calculator calculates evaluation values which are based on the function values. The function values are obtained by applying diagnostic functions to measured values for all combinations generated by the generator. The selector selects at least one combination from the resulting set of the generator by considering the evaluation values of combinations calculated by the calculator.Type: GrantFiled: March 17, 2015Date of Patent: April 21, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi Fujiwara, Hideyuki Aisu, Hisaaki Hatano
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Publication number: 20200072487Abstract: According to one embodiment, a terminal device used by a user in an indoor space in which an air conditioner is installed includes a processor. The processor is configured to input position information indicating a position of the user in the indoor space, input first bodily sensation information indicating an air conditioning state felt by the user, and output the input position information and the input first bodily sensation information to an external device.Type: ApplicationFiled: March 13, 2019Publication date: March 5, 2020Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kenichi FUJIWARA, Tomoshi Otsuki, Miho Sako, Takahiro Yamamoto, Eiichi Sunagawa, Shusaku Tsuge