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).

  • Publication number: 20240085815
    Abstract: 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: Application
    Filed: November 15, 2023
    Publication date: March 14, 2024
    Applicant: FUJIFILM BUSINESS INNOVATION CORP.
    Inventors: Shinya SAKAMOTO, Masaki IWASE, Yumi TANAKA
  • Patent number: 11917919
    Abstract: 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: Grant
    Filed: December 9, 2020
    Date of Patent: February 27, 2024
    Assignees: DENSO CORPORATION, TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka
  • Patent number: 11915883
    Abstract: 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: Grant
    Filed: December 9, 2020
    Date of Patent: February 27, 2024
    Assignees: DENSO CORPORATION, TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka, Hirotoshi Otsuka, Yuki Kotaka
  • Publication number: 20230103207
    Abstract: 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: Application
    Filed: April 29, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yumi TANAKA, Shinya SAKAMOTO, Masaki IWASE
  • Publication number: 20230095449
    Abstract: 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: Application
    Filed: April 27, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Masaki IWASE, Shinya SAKAMOTO, Yumi TANAKA
  • Patent number: 11558694
    Abstract: 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: Grant
    Filed: December 9, 2020
    Date of Patent: January 17, 2023
    Assignees: DENSO CORPORATION, TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Yoshihiro Kozawa, Noriyuki Matsushita, Kazuhiko Kanoh, Yumi Tanaka, Tomoya Maruyama, Hiroshi Okamoto, Naoya Morioka, Katsuyoshi Saiki
  • Publication number: 20220392711
    Abstract: 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: Application
    Filed: August 12, 2022
    Publication date: December 8, 2022
    Inventors: YOSHIHIRO KOZAWA, NORIYUKI MATSUSHITA, KAZUHIKO KANO, YUMI TANAKA, HIROKI OTSUKA, YUSUKE EDANO
  • Publication number: 20220384116
    Abstract: 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: Application
    Filed: August 12, 2022
    Publication date: December 1, 2022
    Inventors: YOSHIHIRO KOZAWA, NORIYUKI MATSUSHITA, KAZUHIKO KANO, YUMI TANAKA, HIROKI OTSUKA, YUSUKE EDANO
  • Publication number: 20210379009
    Abstract: 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: Application
    Filed: October 29, 2019
    Publication date: December 9, 2021
    Inventors: Kazuhiro TATEDA, Soichiro KIMURA, Yumi TANAKA
  • Publication number: 20210183584
    Abstract: 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: Application
    Filed: December 9, 2020
    Publication date: June 17, 2021
    Inventors: Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka, Hirotoshi Otsuka, Yuki Kotaka
  • Publication number: 20210184100
    Abstract: 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: Application
    Filed: December 9, 2020
    Publication date: June 17, 2021
    Inventors: Noriyuki MATSUSHITA, Yoshihiro KOZAWA, Kazuhiko KANOH, Yumi TANAKA
  • Publication number: 20210185451
    Abstract: 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: Application
    Filed: December 9, 2020
    Publication date: June 17, 2021
    Inventors: Yoshihiro Kozawa, Noriyuki Matsushita, Kazuhiko Kanoh, Yumi Tanaka, Tomoya Maruyama, Hiroshi Okamoto, Naoya Morioka, Katsuyoshi Saiki
  • Patent number: 10768522
    Abstract: 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: Grant
    Filed: February 25, 2019
    Date of Patent: September 8, 2020
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventor: Yumi Tanaka
  • Publication number: 20200073228
    Abstract: 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: Application
    Filed: February 25, 2019
    Publication date: March 5, 2020
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventor: Yumi TANAKA
  • Publication number: 20180264524
    Abstract: 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: Application
    Filed: September 7, 2017
    Publication date: September 20, 2018
    Applicant: TOSHIBA MEMORY CORPORATION
    Inventors: Yumi TANAKA, Kenji Iwade, Hirotaka Ogihara
  • Patent number: 9892929
    Abstract: 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: Grant
    Filed: September 15, 2016
    Date of Patent: February 13, 2018
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventor: Yumi Tanaka
  • Publication number: 20170250085
    Abstract: 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: Application
    Filed: September 15, 2016
    Publication date: August 31, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Yumi TANAKA
  • Publication number: 20140377765
    Abstract: 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: Application
    Filed: March 29, 2013
    Publication date: December 25, 2014
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kiyoyasu Fukushima, Yumi Tanaka
  • Patent number: 8671641
    Abstract: 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: Grant
    Filed: February 15, 2013
    Date of Patent: March 18, 2014
    Assignee: Mitsubishi Heavy Industries, Co., Ltd.
    Inventors: Takeo Takakura, Satoru Tanaka, Yumi Tanaka, Toshiaki Kato, Naoyuki Kita, Nobuyuki Kawabata
  • Publication number: 20130312348
    Abstract: 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: Application
    Filed: July 29, 2013
    Publication date: November 28, 2013
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naohiro ASADA, Yumi TANAKA, Takeo TAKAKURA