Patents by Inventor Akihiro Kasahara
Akihiro Kasahara 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: 11965665Abstract: An air conditioning system includes an air conditioning apparatus, and a controller. The air conditioning apparatus performs air conditioning of an air-conditioning target space. The controller is connectable to a plurality of types of thermostats. The controller performs communication with the thermostat connected thereto. The controller performs a performance determination process for the refrigeration cycle apparatus. The controller performs different performance determination processes according to whether a first type of thermostat is connected thereto unit or whether a second type of thermostat is connected thereto. Alternatively, the air conditioning apparatus changes a method for using information received by the controller from the thermostat according to whether being in a determination processing time over which the performance determination process is performed or in a non-determination processing time over which the performance determination process is not performed.Type: GrantFiled: March 13, 2020Date of Patent: April 23, 2024Assignee: Daikin Industries, Ltd.Inventors: Shizuka Sadai, Akihiro Inao, Shuji Fujimoto, Shinichi Kasahara
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Patent number: 11960182Abstract: Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0?Imax/Isur1.Type: GrantFiled: December 1, 2022Date of Patent: April 16, 2024Assignee: FUJIFILM CorporationInventors: Yumi Kato, Naoki Koito, Hiroshi Matsuyama, Akihiro Sugita, Takehiro Kasahara, Naoyoshi Yamada
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Publication number: 20240097044Abstract: According to one embodiment, a semiconductor device includes a first conductive layer between first and second insulating layers with an oxide semiconductor column extending in the first direction through these layers. A third insulating layer covers the column. The column has a first semiconductor portion at a first position matching the first insulating layer, a second semiconductor portion at a second position matching second insulating layer, and a third semiconductor portion at a third position matching the first conductive layer. The first semiconductor portion is continuous along a second direction between the third insulating layer, the second semiconductor portion is continuous along the second direction between the third insulating layer, but the third semiconductor portion is not continuous between the third insulating layer.Type: ApplicationFiled: August 25, 2023Publication date: March 21, 2024Inventors: Yusuke KASAHARA, Kappei IMAMURA, Akifumi GAWASE, Shinji MORI, Akihiro KAJITA
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Publication number: 20240068430Abstract: A resonator structure includes an intake duct and a resonator that is accommodated in the intake duct. The resonator extends upward. The resonator includes a collar that protrudes toward an inner surface of the intake duct. One or both of the inner surface and the collar include a surface texture for gathering oil into a gap between the inner surface and the collar.Type: ApplicationFiled: August 10, 2023Publication date: February 29, 2024Inventors: Akihiro KASAHARA, Tatsuya OKUNO, Tetsurou MASUMA, Fengyun GUI, Takuro TOMITA, Takamichi HOSAKA
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Patent number: 11668681Abstract: According to one embodiment, a detection system is provided that detects a state of a structure consisting of a first member that supports a traveling surface along which a vehicle travels from downward; a second member provided on an opposite side of the traveling surface with respect to the first member; and a welded portion that is provided along an end of the second member facing the first member and fixes the first member and the second member. The detection system includes: a first sensor group including first AE sensors; a second sensor group including second AE sensors; and a position orientator that performs separately a first determination that determines a generation source position of elastic waves based on the detection results of the first AE sensors and a second determination that determines the generation source position of elastic waves based on the detection results of the second AE sensors.Type: GrantFiled: February 16, 2021Date of Patent: June 6, 2023Assignee: Kabushiki Kaisha ToshibaInventors: Takashi Usui, Kazuo Watabe, Takahiro Omori, Hidefumi Takamine, Akihiro Kasahara
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Publication number: 20210181156Abstract: According to one embodiment, a detection system is provided that detects a state of a structure consisting of a first member that supports a traveling surface along which a vehicle travels from downward; a second member provided on an opposite side of the traveling surface with respect to the first member; and a welded portion that is provided along an end of the second member facing the first member and fixes the first member and the second member. The detection system includes: a first sensor group including first AE sensors; a second sensor group including second AE sensors; and a position orientator that performs separately a first determination that determines a generation source position of elastic waves based on the detection results of the first AE sensors and a second determination that determines the generation source position of elastic waves based on the detection results of the second AE sensors.Type: ApplicationFiled: February 16, 2021Publication date: June 17, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi USUI, Kazuo WATABE, Takahiro OMORI, Hidefumi TAKAMINE, Akihiro KASAHARA
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Patent number: 10955383Abstract: According to one embodiment, a method for arranging a detection device for a structure is provided. The structure includes a member; a trough rib provided on an opposite side of the member; and a welded portion that is provided along an end of the trough rib facing the member and fixes the member and the trough rib. The method includes: attaching, to the trough rib, a plurality of acoustic emission sensors so as to be separated from each other in a direction in which the welded portion extends, wherein the following relationship is satisfied: ?20 degrees<?<20 degrees, where ? denotes an angle between a line connecting any given two adjacent acoustic emission sensors of the plurality of the acoustic emission sensors and a reference line extending in the direction in which the welded portion extends.Type: GrantFiled: June 20, 2019Date of Patent: March 23, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Takashi Usui, Kazuo Watabe, Takahiro Omori, Hidefumi Takamine, Akihiro Kasahara
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Patent number: 10545119Abstract: According to an embodiment, a signal processing apparatus includes a receiver, a time information generator, a processor, and a communicator. The receiver receives a voltage signal from a sensor that detects an elastic wave generated from a structure. The time information generator generates time information having a bit length based on a measurement continuing time period of the structure, a propagation velocity of the elastic wave, and a position identification accuracy of a generation source of the elastic wave. The processor generates detection information in which feature amount information that indicates a feature of the voltage signal and the time information that indicates a reception time of the voltage signal are in association with each other. The communicator transmits the detection information to a server.Type: GrantFiled: November 10, 2015Date of Patent: January 28, 2020Assignee: Kabushiki Kaisha ToshibaInventors: Takashi Usui, Kazuo Watabe, Akihiro Kasahara, Takahiro Omori
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Publication number: 20190302061Abstract: According to one embodiment, a method for arranging a detection device for a structure is provided. The structure includes a member; a trough rib provided on an opposite side of the member; and a welded portion that is provided along an end of the trough rib facing the member and fixes the member and the trough rib. The method includes: attaching, to the trough rib, a plurality of acoustic emission sensors so as to be separated from each other in a direction in which the welded portion extends, wherein the following relationship is satisfied: ?20 degrees<?<20 degrees, where ? denotes an angle between a line connecting any given two adjacent acoustic emission sensors of the plurality of the acoustic emission sensors and a reference line extending in the direction in which the welded portion extends.Type: ApplicationFiled: June 20, 2019Publication date: October 3, 2019Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi Usui, Kazuo Watabe, Takahiro Omori, Hidefumi Tkamne, Akihiro Kasahara
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Patent number: 10365250Abstract: According to an embodiment, a detection device is used for a structure. The structure includes: a first member; a second member provided on an opposite side of the first member; and a welded portion that is provided along an end of the second member facing the first member and fixes the first member and the second member. The detection device include: a plurality of acoustic emission sensors that are disposed so as to be spaced apart from each other in a direction in which the welded portion extends and are configured to detect an elastic wave transmitted to the second member, each acoustic emission sensor being attached to the second member; and an outputter that outputs information, obtained from outputs of the plurality of the acoustic emission sensors.Type: GrantFiled: September 13, 2016Date of Patent: July 30, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Takashi Usui, Kazuo Watabe, Takahiro Omori, Hidefumi Takamine, Akihiro Kasahara
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Patent number: 10234429Abstract: According to embodiments, a sensor includes a structure body, a container, a liquid and a sensing unit. The structure body includes a supporter, and a film unit. The film unit includes a first region. The first region includes a first end portion supported by the supporter, and a first portion being displaceable. The film unit includes an opening. The container is connected to the structure body. A first space is defined between the film unit and the container. The liquid is provided inside the first space. The sensing unit senses a displacement of the first portion accompanying a displacement of the liquid.Type: GrantFiled: July 22, 2016Date of Patent: March 19, 2019Assignees: Kabushiki Kaisha Toshiba, The University of TokyoInventors: Isao Shimoyama, Kiyoshi Matsumoto, Binh Khiem Nguyen, Hidetoshi Takahashi, Minh Dung Nguyen, Hiroto Tamura, Quang Khang Pham, Takahiro Omori, Osamu Nishimura, Akihiro Kasahara
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Patent number: 10018597Abstract: According to an embodiment, a detection system detects deterioration of a rope through at least one sheave. The system includes a plurality of sensors and a calculator. The sensors are configured to detect an elastic wave generated from the rope and convert the elastic wave into a detection signal. At least one of the sensors is installed near an end portion of the rope. At least one of the sensors is installed at the sheave. The calculator is configured to calculate a position of the rope where the elastic wave has been generated, based on a propagating speed of the elastic wave, time difference information of a plurality of detected times of the elastic waves detected by the respective sensors, and positional information indicating positions of the respective sensors.Type: GrantFiled: March 21, 2016Date of Patent: July 10, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Junko Hirokawa, Kazuo Watabe, Takahiro Omori, Takashi Usui, Osamu Nishimura, Akihiro Kasahara
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Patent number: 9921188Abstract: According to an embodiment, a detection system includes a plurality of sensor nodes and a sensor module. The plurality of sensor nodes detects sound waves generated from a prestressed concrete and converts the detected sound waves into detection signals. The sensor module is connected to the plurality of sensor nodes and receives the detection signals. The plurality of sensor nodes includes the sensor nodes in an operating state and the sensor nodes in a dormant state in which power consumption is held down as compared to the operating state. When magnitude of the detection signals is equal to or greater than a first threshold value, the sensor module switches the sensor node in the dormant state to the operating state.Type: GrantFiled: September 1, 2015Date of Patent: March 20, 2018Assignee: Kabushiki Kaisha ToshibaInventors: Hidefumi Takamine, Kazuo Watabe, Takahiro Omori, Takashi Usui, Junko Hirokawa, Akihiro Kasahara
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Publication number: 20170138910Abstract: According to one embodiment, a detection device is provided in a structure. The structure is constituted of: a first member; a second member provided on an opposite side of the first member; and a welded portion that is provided along an end of the second member facing the first member and fixes the first member and the second member. The detection device include: a plurality of acoustic emission sensors that are disposed so as to be separated from each other in a direction in which the welded portion extends and are configured to detect an elastic wave transmitted to the second member, each acoustic emission sensor being attached to the second member; and an outputter that outputs information, obtained from outputs of the plurality of the acoustic emission sensors, to an outside.Type: ApplicationFiled: September 13, 2016Publication date: May 18, 2017Inventors: Takashi USUI, Kazuo WATABE, Takahiro OMORI, Hidefumi TAKAMINE, Akihiro KASAHARA
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Publication number: 20170003313Abstract: According to one embodiment, a sensor includes a structure body, a first flexible unit, and a first sensing unit. The structure body includes a first portion and a second portion. The second portion is linked to the first portion. The first portion is displaced along a first direction intersecting a direction connecting the first portion and the second portion. The second portion is displaced along a second direction according to the displacement of the first portion. The second direction intersects the first direction. The first flexible unit deforms along the second direction according to the displacement of the second portion along the second direction. The first sensing unit senses the deformation of the first flexible unit.Type: ApplicationFiled: June 29, 2016Publication date: January 5, 2017Inventors: Takahiro OMORI, Kazuo WATABE, Osamu NISHIMURA, Akihiro KASAHARA
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Publication number: 20160327523Abstract: According to embodiments, a sensor includes a structure body, a container, a liquid and a sensing unit. The structure body includes a supporter, and a film unit. The film unit includes a first region. The first region includes a first end portion supported by the supporter, and a first portion being displaceable. The film unit includes an opening. The container is connected to the structure body. A first space is defined between the film unit and the container. The liquid is provided inside the first space. The sensing unit senses a displacement of the first portion accompanying a displacement of the liquid.Type: ApplicationFiled: July 22, 2016Publication date: November 10, 2016Inventors: Isao SHIMOYAMA, Kiyoshi Matsumoto, Binh Khiem Nguyen, Hidetoshi Takahashi, Minh Dung Nguyen, Hiroto Tamura, Quang Khang Pham, Takahiro Omori, Osamu Nishimura, Akihiro Kasahara
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Publication number: 20160282311Abstract: According to an embodiment, a detection system detects deterioration of a rope through at least one sheave. The system includes a plurality of sensors and a calculator. The sensors are configured to detect an elastic wave generated from the rope and convert the elastic wave into a detection signal. At least one of the sensors is installed near an end portion of the rope. At least one of the sensors is installed at the sheave. The calculator is configured to calculate a position of the rope where the elastic wave has been generated, based on a propagating speed of the elastic wave, time difference information of a plurality of detected times of the elastic waves detected by the respective sensors, and positional information indicating positions of the respective sensors.Type: ApplicationFiled: March 21, 2016Publication date: September 29, 2016Inventors: Junko HIROKAWA, Kazuo WATABE, Takahiro OMORI, Takashi USUI, Osamu NISHIMURA, Akihiro KASAHARA
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Patent number: 9355045Abstract: According to one embodiment, a memory chip, which is connected to a controller that controls reading and writing of data in response to a request from an external device, includes: a memory including a special area that is a predetermined data storage area; a key storage unit that stores therein a second key that corresponds to a first key used by the external device to convert the data; a converting unit that receives, from the controller, data to be written into the special area and generates converted data by converting the data to be written using the second key; and a writing unit that writes the converted data into the special area.Type: GrantFiled: April 30, 2015Date of Patent: May 31, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Toru Kambayashi, Akihiro Kasahara, Shinichi Matsukawa, Hiroyuki Sakamoto, Taku Kato, Hiroshi Sukegawa, Yoshihiko Hirose, Atsushi Shimbo, Koichi Fujisaki
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Publication number: 20160139084Abstract: According to an embodiment, a signal processing apparatus includes a receiver, a time information generator, a processor, and a communicator. The receiver receives a voltage signal from a sensor that detects an elastic wave generated from a structure. The time information generator generates time information having a bit length based on a measurement continuing time period of the structure, a propagation velocity of the elastic wave, and a position identification accuracy of a generation source of the elastic wave. The processor generates detection information in which feature amount information that indicates a feature of the voltage signal and the time information that indicates a reception time of the voltage signal are in association with each other. The communicator transmits the detection information to a server.Type: ApplicationFiled: November 10, 2015Publication date: May 19, 2016Inventors: Takashi USUI, Kazuo Watabe, Akihiro Kasahara, Takahiro Omori
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Publication number: 20160084803Abstract: According to an embodiment, a detection system includes a plurality of sensor nodes and a sensor module. The plurality of sensor nodes detects sound waves generated from a prestressed concrete and converts the detected sound waves into detection signals. The sensor module is connected to the plurality of sensor nodes and receives the detection signals. The plurality of sensor nodes includes the sensor nodes in an operating state and the sensor nodes in a dormant state in which power consumption is held down as compared to the operating state. When magnitude of the detection signals is equal to or greater than a first threshold value, the sensor module switches the sensor node in the dormant state to the operating state.Type: ApplicationFiled: September 1, 2015Publication date: March 24, 2016Inventors: Hidefumi TAKAMINE, Kazuo WATABE, Takahiro OMORI, Takashi USUI, Junko HIROKAWA, Akihiro KASAHARA