Patents by Inventor Yumi Tanaka
Yumi Tanaka 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: 20240085815Abstract: An electrostatic image developing toner includes toner particles including a binder resin. When loss tangents tan ? at a temperature of 90° C. and a strain of 1%, a temperature of 90° C. and a strain of 50%, a temperature of 150° C. and a strain of 1%, and a temperature of 150° C. and a strain of 50%, the loss tangents tan ? being determined by measurement of dynamic viscoelasticity of the electrostatic image developing toner, are defined as D1(90), D50(90), D1(150), and D50(150), respectively, D1(90), D50(90), D1(150), and D50(150) are each 0.5 or more and 2.5 or less, D50(150)?D1(150) is less than 1.5, and D50(90)?D1(90) is less than 1.0; the toner particles further include resin particles; and the number average molecular weight of a component of the toner particles, the component being soluble in tetrahydrofuran, is 5000 or more and 15000 or less.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Shinya SAKAMOTO, Masaki IWASE, Yumi TANAKA
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Patent number: 11917919Abstract: An electret includes a substrate and an electret layer formed above a surface of the substrate. The electret layer is a composite metal compound containing two or more different metal elements, and is obtained by subjecting a thin film mainly composed of an inorganic dielectric material having a bandgap energy of 4 eV or more to a polarization treatment.Type: GrantFiled: December 9, 2020Date of Patent: February 27, 2024Assignees: DENSO CORPORATION, TOKYO UNIVERSITY OF SCIENCE FOUNDATIONInventors: Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka
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Patent number: 11915883Abstract: An electret includes an electret layer. The electret layer is formed by subjecting a composite film in which inorganic dielectric particles are dispersed and held in a base film to a polarization treatment. The inorganic dielectric particles are mainly composed of an inorganic dielectric material having a bandgap energy of 4 eV or more.Type: GrantFiled: December 9, 2020Date of Patent: February 27, 2024Assignees: DENSO CORPORATION, TOKYO UNIVERSITY OF SCIENCE FOUNDATIONInventors: Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka, Hirotoshi Otsuka, Yuki Kotaka
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Publication number: 20230103207Abstract: An electrostatic charge image developing toner contains toner particles that contain a binder resin, in which each of a loss modulus G?5 (150) of the electrostatic charge image developing toner determined by measuring dynamic viscoelasticity of the electrostatic charge image developing toner at a temperature of 150° C. and a strain of 5% and a loss modulus G?50 (180) of the electrostatic charge image developing toner determined by measuring dynamic viscoelasticity of the electrostatic charge image developing toner at a temperature of 180° C. and a strain of 50% is 1×103 Pa or more and 1×104 Pa or less, and a relationship between a loss modulus G?5 (t1) of the electrostatic charge image developing toner at a first temperature t1 in a temperature range of 150° C. or higher and 180° C. or lower and a strain of 5% and a loss modulus G?50 (t2) of the electrostatic charge image developing toner at a second temperature t2 higher than the first temperature t1 in the temperature range of 150° C. or higher and 180° C.Type: ApplicationFiled: April 29, 2022Publication date: March 30, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Yumi TANAKA, Shinya SAKAMOTO, Masaki IWASE
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Publication number: 20230095449Abstract: An electrostatic charge image developing toner contains toner particles that contain a binder resin, in which in a case where G?1 (90) represents a storage modulus G? of the electrostatic charge image developing toner determined by measuring dynamic viscoelasticity of the electrostatic charge image developing toner at a temperature of 90° C. and a strain of 1%, G?50 (90) represents a storage modulus G? of the electrostatic charge image developing toner determined by measuring dynamic viscoelasticity of the electrostatic charge image developing toner at a temperature of 90° C. and a strain of 50%, and G?50 (180) represents a storage modulus G? of the electrostatic charge image developing toner determined by measuring dynamic viscoelasticity of the electrostatic charge image developing toner at a temperature of 180° C. and a strain of 50%, the electrostatic charge image developing toner satisfies the following Formulas (1) to (4).Type: ApplicationFiled: April 27, 2022Publication date: March 30, 2023Applicant: FUJIFILM Business Innovation Corp.Inventors: Masaki IWASE, Shinya SAKAMOTO, Yumi TANAKA
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Patent number: 11558694Abstract: An electret includes a composite oxide having an ABO3 type perovskite structure containing two different metal elements A and B. The composite oxide is in a polarized state, at least a part of one of the metal elements A and B is substituted with a dopant element having a lower valence than the one of the metal elements A and B, and the composite oxide has a bandgap energy of 4 eV or more.Type: GrantFiled: December 9, 2020Date of Patent: January 17, 2023Assignees: DENSO CORPORATION, TOKYO UNIVERSITY OF SCIENCE FOUNDATIONInventors: Yoshihiro Kozawa, Noriyuki Matsushita, Kazuhiko Kanoh, Yumi Tanaka, Tomoya Maruyama, Hiroshi Okamoto, Naoya Morioka, Katsuyoshi Saiki
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Publication number: 20220392711Abstract: A power generator includes an electret including a first charged surface and a second charged surface having opposite polarities, a first electrode partially formed on the first charged surface, a second electrode formed on the second charged surface, a third electrode disposed to face the first charged surface with a space, and at least one of a power storage unit or an output unit. The first charged surface has a current collecting surface that is exposed outward. The first electrode and the second electrode form a first power generating unit and the third electrode and the second electrode form a second power generating unit. The electret is formed by polarizing an electret material that includes an inorganic dielectric having a bandgap energy of 4 eV or more.Type: ApplicationFiled: August 12, 2022Publication date: December 8, 2022Inventors: YOSHIHIRO KOZAWA, NORIYUKI MATSUSHITA, KAZUHIKO KANO, YUMI TANAKA, HIROKI OTSUKA, YUSUKE EDANO
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Publication number: 20220384116Abstract: A power generator includes a power generating unit and at least one of a power storage unit or an output unit that is electrically connected to the power generating unit. The power generating unit includes an electret having a first charged surface and a second charged surface that are charged with opposite polarities, a first electrode formed on the first charged surface, and a second electrode formed on the second charged surface. The electret is formed by polarizing an electret material that includes an inorganic dielectric having a bandgap energy of 4 eV or more. At least one of the first electrode or the second electrode are partially disposed on the corresponding charged surface such that at least one of the first charged surface or the second charged surface has a portion as a current collecting surface exposed outward.Type: ApplicationFiled: August 12, 2022Publication date: December 1, 2022Inventors: YOSHIHIRO KOZAWA, NORIYUKI MATSUSHITA, KAZUHIKO KANO, YUMI TANAKA, HIROKI OTSUKA, YUSUKE EDANO
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Publication number: 20210379009Abstract: Provided is an antibacterial drug for an enterobacterium that causes an infection in humans, such as Clostridioides difficile. An antibacterial agent against an enterobacterium, comprising equol as an active ingredient.Type: ApplicationFiled: October 29, 2019Publication date: December 9, 2021Inventors: Kazuhiro TATEDA, Soichiro KIMURA, Yumi TANAKA
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Publication number: 20210183584Abstract: An electret includes an electret layer. The electret layer is formed by subjecting a composite film in which inorganic dielectric particles are dispersed and held in a base film to a polarization treatment. The inorganic dielectric particles are mainly composed of an inorganic dielectric material having a bandgap energy of 4 eV or more.Type: ApplicationFiled: December 9, 2020Publication date: June 17, 2021Inventors: Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka, Hirotoshi Otsuka, Yuki Kotaka
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Publication number: 20210184100Abstract: An electret includes a substrate and an electret layer formed above a surface of the substrate. The electret layer is a composite metal compound containing two or more different metal elements, and is obtained by subjecting a thin film mainly composed of an inorganic dielectric material having a bandgap energy of 4 eV or more to a polarization treatment.Type: ApplicationFiled: December 9, 2020Publication date: June 17, 2021Inventors: Noriyuki MATSUSHITA, Yoshihiro KOZAWA, Kazuhiko KANOH, Yumi TANAKA
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Publication number: 20210185451Abstract: An electret includes a composite oxide having an ABO3 type perovskite structure containing two different metal elements A and B. The composite oxide is in a polarized state, at least a part of one of the metal elements A and B is substituted with a dopant element having a lower valence than the one of the metal elements A and B, and the composite oxide has a bandgap energy of 4 eV or more.Type: ApplicationFiled: December 9, 2020Publication date: June 17, 2021Inventors: Yoshihiro Kozawa, Noriyuki Matsushita, Kazuhiko Kanoh, Yumi Tanaka, Tomoya Maruyama, Hiroshi Okamoto, Naoya Morioka, Katsuyoshi Saiki
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Patent number: 10768522Abstract: An original plate includes a substrate, a pattern region in which a fine pattern is disposed on the substrate, a mark region in which a mark, including an unevenness used for alignment with a transfer receiving body on the substrate, is disposed, a first film disposed in a concave portion of the mark region and having high contrast with respect to the substrate, and a second film covering the mark region and having contrast with respect to the substrate lower than that of the first film.Type: GrantFiled: February 25, 2019Date of Patent: September 8, 2020Assignee: TOSHIBA MEMORY CORPORATIONInventor: Yumi Tanaka
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Publication number: 20200073228Abstract: An original plate includes a substrate, a pattern region in which a fine pattern is disposed on the substrate, a mark region in which a mark, including an unevenness used for alignment with a transfer receiving body on the substrate, is disposed, a first film disposed in a concave portion of the mark region and having high contrast with respect to the substrate, and a second film covering the mark region and having contrast with respect to the substrate lower than that of the first film.Type: ApplicationFiled: February 25, 2019Publication date: March 5, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventor: Yumi TANAKA
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Publication number: 20180264524Abstract: According to one embodiment, there is provided a template cleaning method. The method includes cleaning a template with a pattern formed on a surface, by using an acid or alkali. The method includes cleaning the template by using a cleaning liquid. The method includes rinsing the template by using a rinse liquid. The method includes performing an ashing process to the surface of the template by using a process gas. The cleaning liquid contains at least an auxiliary agent and a pH adjuster. The auxiliary agent contains grains made of a material that contains an organic substance as a main component.Type: ApplicationFiled: September 7, 2017Publication date: September 20, 2018Applicant: TOSHIBA MEMORY CORPORATIONInventors: Yumi TANAKA, Kenji Iwade, Hirotaka Ogihara
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Patent number: 9892929Abstract: A semiconductor manufacturing method includes forming a first film on an upper surface of a substrate. The semiconductor manufacturing method includes forming concave portions extending from an upper surface of the first film to below the upper surface of the substrate. The method includes forming a second film from bottom surfaces of the concave portions to a first position in the concave portions between the upper surface of the first film and the upper surface of the substrate. The method includes forming a third film in the concave portions to cover side walls of the concave portions and an upper surface of the second film. The method includes grinding the third film to expose the second film. The method includes removing the second film. The method includes forming a fourth film from the bottom surfaces of the concave portions to at least a lower surface of the third film.Type: GrantFiled: September 15, 2016Date of Patent: February 13, 2018Assignee: TOSHIBA MEMORY CORPORATIONInventor: Yumi Tanaka
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Publication number: 20170250085Abstract: A semiconductor manufacturing method includes forming a first film on an upper surface of a substrate. The semiconductor manufacturing method includes forming concave portions extending from an upper surface of the first film to below the upper surface of the substrate. The method includes forming a second film from bottom surfaces of the concave portions to a first position in the concave portions between the upper surface of the first film and the upper surface of the substrate. The method includes forming a third film in the concave portions to cover side walls of the concave portions and an upper surface of the second film. The method includes grinding the third film to expose the second film. The method includes removing the second film. The method includes forming a fourth film from the bottom surfaces of the concave portions to at least a lower surface of the third film.Type: ApplicationFiled: September 15, 2016Publication date: August 31, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yumi TANAKA
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Publication number: 20140377765Abstract: Provided is a method that can more objectively and rapidly determine severity of pneumococcal pneumonia using blood of a subject. The method determines severity of pneumococcal pneumonia, the method including determining the severity based on the presence or absence of a pneumococcal antigen in blood collected from a subject and at least one biochemical value selected from a blood C-reactive protein (CRP) level, a white blood cell (WBC) count and a blood urea nitrogen (BUN) level.Type: ApplicationFiled: March 29, 2013Publication date: December 25, 2014Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Kiyoyasu Fukushima, Yumi Tanaka
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Patent number: 8671641Abstract: Providing a half precast slab even in a case where the thickness of the slab in the site condition is too thick to apply conventional precast construction techniques. A half precast slab including a plurality of floor concrete form members and, each floor concrete form member being provided with: a bottom slab of a long length, in response to the floor concrete form member; a pair of side walls installed upright along each longitudinal edge of the bottom slab, in response to the floor concrete form member; thereby, each floor concrete form member is arranged so as to be parallel to each other and be tightly connected to the adjacent floor concrete form member, along the direction perpendicular to the longitudinal direction of each floor concrete form member; the height of the side walls other than the side walls on the most outer edge sides of the whole floor concrete form members is set at a common height that is smaller than the height of the side walls on the most outer edge sides.Type: GrantFiled: February 15, 2013Date of Patent: March 18, 2014Assignee: Mitsubishi Heavy Industries, Co., Ltd.Inventors: Takeo Takakura, Satoru Tanaka, Yumi Tanaka, Toshiaki Kato, Naoyuki Kita, Nobuyuki Kawabata
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Publication number: 20130312348Abstract: A form used in a concrete platform is configured so that a connecting member is detachably attached so that top end parts of a concrete side walls are connected with the connecting member. The connecting member is for connecting the top end parts of the concrete side walls to form the load portion by pouring concrete into the form. The form includes reinforcement members provided to extend linearly in a longitudinal direction inside the concrete side walls and inside a concrete bottom plate. The connecting member has an elongated member that is formed to have substantially same length as a width of a gap between the pair of concrete side walls of the form, and an adjusting part that enables an attachment part to move along a top surface of a table-deck portion.Type: ApplicationFiled: July 29, 2013Publication date: November 28, 2013Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Naohiro ASADA, Yumi TANAKA, Takeo TAKAKURA