Patents by Inventor Yumi Hayashi
Yumi Hayashi 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: 20240085360Abstract: According to one embodiment, a sensor includes a detection device and a circuit portion. The detection device includes a first detection portion and a second detection portion. The first detection portion includes a first detection element. The first detection element includes a first conductive member and a first detection member. The second detection portion includes a second detection element. The second detection element includes a second conductive member and a second detection member. The circuit portion is configured to execute a first detection portion operation for outputting a first detection result corresponding to a first detection value based on the first detection member when a first current is supplied to the first conductive member. In a case where a first evaluation value is not within a first range, the circuit portion is configured to execute a second detection portion operation by the second detection portion.Type: ApplicationFiled: February 23, 2023Publication date: March 14, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshihiko KURUI, Hiroaki YAMAZAKI, Yosuke AKIMOTO, Ping WANG, Fumitaka ISHIBASHI, Yumi HAYASHI
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Publication number: 20240068973Abstract: According to one embodiment, a sensor includes a structure. The structure includes a base layer, a first film, and a first layer. The first film includes at least one selected from a group consisting of silicon and aluminum, and oxygen. At least one of a volume of the first layer or an electrical resistance of the first layer is configured to change according to a detection target around the structure. The first film includes a first film region, a second film region, and a third film region. The first layer is between the base layer and the first film region in a first direction from the base layer to the first film region. The first layer is between the second film region and the third film region in a second direction crossing the first direction.Type: ApplicationFiled: February 8, 2023Publication date: February 29, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yumi HAYASHI
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Publication number: 20240068970Abstract: According to one embodiment, a sensor includes a detection device, a switch circuit, and a detection circuit. The detection device includes a first detection section and a second detection section. The first detection section includes a first detection element. The first detection element includes a first conductive member and a first resistance member. The second detection section includes a second detection element. The second detection element includes a second conductive member and a second resistance member. In a first operation, the switch circuit is configured to supply a first current to the first conductive member and not to supply the first current to the second conductive member, and the detection circuit is configured to output a first signal corresponding to a difference between a first electrical resistance of the first resistance member and a second electrical resistance of the second resistance member.Type: ApplicationFiled: February 23, 2023Publication date: February 29, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshihiko KURUI, Hiroaki YAMAZAKI, Yosuke AKIMOTO, Ping WANG, Fumitaka ISHIBASHI, Yumi HAYASHI
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Patent number: 11906495Abstract: According to one embodiment, a sensor includes a sensor part including a first film, and a structure body including a second film. The first film has a first density, and a first concentration of a first element. The second film has at least one of a second density, or a second concentration of the first element. The second concentration is greater than the first concentration. The second density is greater than the first density.Type: GrantFiled: August 12, 2020Date of Patent: February 20, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Yumi Hayashi, Hiroaki Yamazaki
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Publication number: 20230408434Abstract: According to one embodiment, a sensor includes a structure. The structure includes a first layer, a first film including a first film region, and a first intermediate layer including a first partial region. The first partial region is between the first layer and the first film region. A volume of the first layer is changeable depending on a detection target around the structure. The first film includes silicon and oxygen. The first intermediate layer includes at least one selected from the group consisting of Pd, Pt and Ti.Type: ApplicationFiled: January 26, 2023Publication date: December 21, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yumi HAYASHI
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Patent number: 11808726Abstract: According to one embodiment, a sensor includes a sensor part including a first film. The first film includes a first element including at least one selected from the group consisting of Pd, Pt, and Au. The first film includes a first region, and a second region including a plurality of protrusions. A protruding direction of the protrusions is along a first direction from the first region toward the second region.Type: GrantFiled: February 10, 2021Date of Patent: November 7, 2023Assignee: Kabushiki Kaisha ToshibaInventor: Yumi Hayashi
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Patent number: 11796502Abstract: According to one embodiment, a gas sensor includes a fixed electrode, and a film structure which covers the fixed electrode, forms a cavity inside the film structure, and includes a sensitive layer formed of an amorphous material containing a metal element, and a cap layer provided on the sensitive layer. The film structure is allowed to be deformed when the sensitive layer absorbs a predetermined gas.Type: GrantFiled: June 14, 2021Date of Patent: October 24, 2023Assignee: Kabushiki Kaisha ToshibaInventor: Yumi Hayashi
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Patent number: 11598746Abstract: In one embodiment, a gas sensor includes a sensing layer having a first region containing PdCuSi, and a second region which is provided outside the first region and contains PdCu.Type: GrantFiled: October 4, 2019Date of Patent: March 7, 2023Assignee: Kabushiki Kaisha ToshibaInventors: Yumi Hayashi, Akihiro Kojima, Hiroaki Yamazaki
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Patent number: 11493471Abstract: According to one embodiment, a sensor includes a first sensor part. The first sensor part includes a first counter electrode, a first movable electrode, a first layer, and a first intermediate layer. The first movable electrode is between the first counter electrode and the first layer. The first intermediate layer is between the first movable electrode and a portion of the first layer. A first gap is located between the first counter electrode and the first movable electrode. A distance between the first counter electrode and the first movable electrode changes according to a concentration of a gas around the first sensor part. The first layer includes a crystal. The first intermediate layer is amorphous, or a crystallinity of the first intermediate layer is less than a crystallinity of the first layer. A width of the first layer is greater than a width of the first intermediate layer.Type: GrantFiled: August 19, 2021Date of Patent: November 8, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventor: Yumi Hayashi
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Patent number: 11448628Abstract: According to one embodiment, a sensor includes a base body, and a first sensor part. The first sensor part includes fixed and movable electrode members, and first and second support members. The fixed electrode member includes a fixed electrode fixed to the base body. The movable electrode member includes a movable electrode. The movable electrode member includes first and second movable portions, and a third movable portion between the first and second movable portions. The first support member is fixed to the base body and connected with the first movable portion. The second support member is fixed to the base body and connected with the second movable portion. The first and second support members support the movable electrode member to provide a first gap between the fixed and movable electrode members. The fixed electrode member includes first, second, and third fixed electrode portions facing the movable portion.Type: GrantFiled: February 23, 2021Date of Patent: September 20, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Naoki Hiramatsu, Yosuke Akimoto, Hiroaki Yamazaki, Yumi Hayashi
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Publication number: 20220268723Abstract: According to one embodiment, a sensor includes a first sensor part. The first sensor part includes a first counter electrode, a first movable electrode, a first layer, and a first intermediate layer. The first movable electrode is between the first counter electrode and the first layer. The first intermediate layer is between the first movable electrode and a portion of the first layer. A first gap is located between the first counter electrode and the first movable electrode. A distance between the first counter electrode and the first movable electrode changes according to a concentration of a gas around the first sensor part. The first layer includes a crystal. The first intermediate layer is amorphous, or a crystallinity of the first intermediate layer is less than a crystallinity of the first layer. A width of the first layer is greater than a width of the first intermediate layer.Type: ApplicationFiled: August 19, 2021Publication date: August 25, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yumi HAYASHI
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Publication number: 20220087910Abstract: A composite particle includes a core particle having a pore and fine fibers inseparably bonded to a surface of the core particle. The fine fibers are at least either cellulose nanofibers or chitin nanofibers.Type: ApplicationFiled: December 1, 2021Publication date: March 24, 2022Applicant: TOPPAN INC.Inventor: Yumi HAYASHI
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Publication number: 20220018820Abstract: According to one embodiment, a sensor includes a base body, and a first sensor part. The first sensor part includes fixed and movable electrode members, and first and second support members. The fixed electrode member includes a fixed electrode fixed to the base body. The movable electrode member includes a movable electrode. The movable electrode member includes first and second movable portions, and a third movable portion between the first and second movable portions. The first support member is fixed to the base body and connected with the first movable portion. The second support member is fixed to the base body and connected with the second movable portion. The first and second support members support the movable electrode member to provide a first gap between the fixed and movable electrode members. The fixed electrode member includes first, second, and third fixed electrode portions facing the movable portion.Type: ApplicationFiled: February 23, 2021Publication date: January 20, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Naoki HIRAMATSU, Yosuke AKIMOTO, Hiroaki YAMAZAKI, Yumi HAYASHI
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Publication number: 20220011254Abstract: According to one embodiment, a sensor includes a sensor part including a first film. The first film includes a first element including at least one selected from the group consisting of Pd, Pt, and Au. The first film includes a first region, and a second region including a plurality of protrusions. A protruding direction of the protrusions is along a first direction from the first region toward the second region.Type: ApplicationFiled: February 10, 2021Publication date: January 13, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yumi HAYASHI
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Publication number: 20210310983Abstract: According to one embodiment, a gas sensor includes a fixed electrode, and a film structure which covers the fixed electrode, forms a cavity inside the film structure, and includes a sensitive layer formed of an amorphous material containing a metal element, and a cap layer provided on the sensitive layer. The film structure is allowed to be deformed when the sensitive layer absorbs a predetermined gas.Type: ApplicationFiled: June 14, 2021Publication date: October 7, 2021Applicant: Kabushiki Kaisha ToshibaInventor: Yumi Hayashi
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Publication number: 20210166931Abstract: A biological sample is placed on a sample stage (8). The sample stage (8) includes a tray (82), a heater (83), and a temperature sensor (84). On the tray (82), a placement surface (821) on which a biological sample is placed is formed. The heater (83) heats a surface of the tray (82) on an opposite side to the placement surface (821) side. The temperature sensor (84) is provided on an opposite side of the heater (83) to the tray (82) side. The tray (82) is attachable to and detachable from the heater (83).Type: ApplicationFiled: May 31, 2017Publication date: June 3, 2021Applicants: SHIMADZU CORPORATION, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITYInventors: Kazumi YOKOTA, Kei ZAITSU, Yumi HAYASHI, Tasuku MURATA
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Patent number: 11009478Abstract: According to one embodiment, a gas sensor includes a film structure including a gas sensitive film and a heater film heating the gas sensitive film, a physical quantity sensing section sensing a predetermined physical quantity which varies based on storage of a gas to be carried out by the gas sensitive film, a voltage generation section generating a first voltage for heating the gas sensitive film at a first temperature and a second voltage for heating the gas sensitive film at a second temperature higher than the first temperature, and a voltage switching section switching between the first voltage and the second voltage to be supplied to the heater film.Type: GrantFiled: March 6, 2019Date of Patent: May 18, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yumi Hayashi, Hiroaki Yamazaki
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Publication number: 20210109071Abstract: According to one embodiment, a sensor includes a sensor part including a first film, and a structure body including a second film. The first film has a first density, and a first concentration of a first element. The second film has at least one of a second density, or a second concentration of the first element. The second concentration is greater than the first concentration. The second density is greater than the first density.Type: ApplicationFiled: August 12, 2020Publication date: April 15, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yumi HAYASHI, Hiroaki YAMAZAKI
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Publication number: 20210051950Abstract: Sustained-release composite particles having improved dispersion stability and improved sustained-release properties, and exhibiting longer-term effects, a method for producing the sustained-release composite particles, a dry powder comprising the sustained-release composite particles, and wallpaper comprising the sustained-release composite particles. The sustained-release composite particles comprise core particles containing at least one type of polymer and at least one type of functional component, and micronized cellulose coating at least a part of the surface of the core particles, the core particles and the micronized cellulose being inseparable from each other.Type: ApplicationFiled: October 26, 2020Publication date: February 25, 2021Applicant: TOPPAN PRINTING CO.,LTD.Inventors: Yumi HAYASHI, Atsuko AOKI
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Publication number: 20200300803Abstract: In one embodiment, a gas sensor includes a sensing layer having a first region containing PdCuSi, and a second region which is provided outside the first region and contains PdCu.Type: ApplicationFiled: October 4, 2019Publication date: September 24, 2020Applicant: Kabushiki Kaisha ToshibaInventors: Yumi Hayashi, Akihiro Kojima, Hiroaki Yamazaki