Patents by Inventor Yasuaki Hashimoto

Yasuaki Hashimoto 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: 20240099155
    Abstract: A memory includes: a magnet including a first and second portions adjacent in a first direction. The first portion has a first dimension in a second direction at a first position at which a dimension of the magnet in the second direction is maximum, the second direction perpendicular to the first direction, the second portion has a second dimension in the second direction at a second position at which a dimension of the magnet in the second direction is minimum, the second dimension smaller than the first dimension, the first portion is continuous to the second portion via a third position between the first and second positions, a curve corresponding to an outer of the magnet extends between the first and third positions, and the curve passes through a side closer to the central axis of the magnet than a straight line connecting the first and second positions.
    Type: Application
    Filed: September 11, 2023
    Publication date: March 21, 2024
    Applicant: Kioxia Corporation
    Inventors: Masahiro KOIKE, Michael Arnaud QUINSAT, Nobuyuki UMETSU, Tsutomu NAKANISHI, Agung SETIADI, Megumi YAKABE, Shigeyuki HIRAYAMA, Masaki KADO, Yasuaki OOTERA, Shiho NAKAMURA, Susumu HASHIMOTO, Tsuyoshi KONDO
  • Publication number: 20240072609
    Abstract: A motor includes a bottomed cylindrical housing incorporating a rotor that rotate integrally with a shaft and a stator, and an end bell having an end plate that closes an opening of the housing and a holder that is provided between the rotor and the end plate in an axial direction and to which an electrical element is attached. The end plate has an air hole penetrating the end plate in the axial direction. The holder includes an attachment portion to which the electrical element is attached, and has an insertion hole through which the shaft is inserted. At least part, of the attachment portion, overlapping the air hole when viewed in the axial direction has a cutout portion.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 29, 2024
    Inventors: Naoki ISHIKAWA, Kouichi HASHIMOTO, Yasuaki MATSUOKA, Michio TSUNODA
  • Publication number: 20230310376
    Abstract: A prophylactic and/or therapeutic agent for idiopathic pulmonary fibrosis is disclosed. The prophylactic and/or therapeutic agent for idiopathic interstitial pneumonia (IPF or the like) contains a compound having an LPA3 agonistic activity or a salt thereof.
    Type: Application
    Filed: August 25, 2021
    Publication date: October 5, 2023
    Applicants: ONO PHARMACEUTICAL CO., LTD.,, TOHOKU UNIVERSITY
    Inventors: Junken AOKI, Kuniyuki KANO, Yasuaki HASHIMOTO, Michiaki KADODE, Yuji KAWAHARA
  • Publication number: 20230168598
    Abstract: An electrostatic charge image developing toner contains toner particles, titanic acid compound particles that are added to an exterior of the toner particles, have a peak existing in a range of 20 nm or more and less than 80 nm in a number-based primary particle size distribution curve, and have an average circularity of 0.88 or more and 0.
    Type: Application
    Filed: September 20, 2022
    Publication date: June 1, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Moegi IGUCHI, Sakon TAKAHASHI, Yosuke TSURUMI, Yasuaki HASHIMOTO, Ryo OTAKE, Ryo NAGAI
  • Publication number: 20230101891
    Abstract: An electrostatic charge image developing toner includes toner particles, and an external additive that contains particles A containing a perovskite-type compound and having an equivalent circle diameter of 15 nm or greater and 90 nm or less and particles B containing a perovskite-type compound and having an equivalent circle diameter of 1.0 ?m or greater and 3.0 ?m or less, in which the particles B occupy 0.3% by number or greater and 3.5% by number or less of an entirety of the toner particles.
    Type: Application
    Filed: February 7, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yosuke TSURUMI, Yasuaki HASHIMOTO
  • Publication number: 20230099642
    Abstract: A toner for developing an electrostatic charge image contains toner particles having an average circularity Cc of 0.98 or more; and external additives including monodisperse silica particles having an average diameter of primary particles of 20 nm or more and 70 nm or less and titanate particles having an average diameter of primary particles of 20 nm or more and 70 nm or less, wherein the absolute difference between the average diameter of primary particles of the monodisperse silica particles and the average diameter of primary particles of the titanate particles is 25 nm or less.
    Type: Application
    Filed: January 26, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Moegi Iguchi, Sakon Takahashi, Yosuke Tsurumi, Yasuaki Hashimoto, Ryo Otake
  • Publication number: 20230102175
    Abstract: A toner for developing an electrostatic charge image includes toner particles having an average circularity Cc of 0.80 or more and less than 0.98, and an external additive containing monodisperse silica particles and titanate compound particles, in which a ratio Rt/Rs of an average primary particle diameter Rt of the titanate compound particles to an average primary particle diameter Rs of the monodisperse silica particles is 0.50 or more and 3.50 or less, and a ratio A/B of an external additive coverage A (%) of the monodisperse silica particles on surfaces of the toner particles to an external additive coverage B (%) of the titanate compound particles on the surfaces of the toner particles satisfies formula (1): 0<A/B?2.00.
    Type: Application
    Filed: February 3, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Ryo OTAKE, Sakon TAKAHASHI, Yosuke TSURUMI, Moegi IGUCHI, Yasuaki HASHIMOTO
  • Publication number: 20230097500
    Abstract: An electrostatic charge image developing toner contains toner particles, silica particles that are added to an exterior of the toner particles, and titanic acid compound particles that are added to the exterior of the toner particles and have an average circularity of 0.890 or more and 0.950 or less, in which the silica particles include particles having a primary particle size of 80 nm or less, the particles having a primary particle size of 80 nm or less have at least one peak in a range of 20 nm or more and less than 80 nm in a number-based primary particle size distribution curve (hereinafter, silica particles having such a peak will be called “specific silica particles”), the titanic acid compound particles have at least one peak in a range of 20 nm or more and less than 80 nm in a number-based primary particle size distribution curve, a difference between an average circularity of the specific silica particles and the average circularity of the titanic acid compound particles is 0.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Ryo NAGAI, Sakon TAKAHASHI, Yasuaki HASHIMOTO, Moegi IGUCHI, Yosuke TSURUMI, Ryo OTAKE
  • Patent number: 11188004
    Abstract: An electrostatic image developing toner includes toner particles, layered compound particles, and inorganic particles. The content of titanium in the electrostatic image developing toner is 0.1 ppm or more and less than 1,500 ppm.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: November 30, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Daisuke Noguchi, Yasuaki Hashimoto, Takashi Inukai, Takuro Watanabe, Sakiko Takeuchi
  • Patent number: 11181847
    Abstract: A carrier for electrostatic image development includes: a core material; and a coating resin layer that contains inorganic particles and covers the core material. The content of the inorganic particles is 10% by mass or more and 60% by mass or less based on the total mass of the coating resin layer. The volume average diameter D (?m) of the inorganic particles and the thickness T (?m) of the coating resin layer satisfy the following relational expression (1): 0.007?D/T?0.24.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: November 23, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Shintaro Anno, Takuro Watanabe, Yasuaki Hashimoto, Yasuo Kadokura, Kazutsuna Sasaki, Jumpei Iwasaki
  • Patent number: 11126102
    Abstract: A toner for developing an electrostatic charge image contains toner particles, layered-compound particles, and inorganic particles. The percentage Fa of layered-compound particles free from the toner particles is 5% by volume or more and 20% by volume or less.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: September 21, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yasuaki Hashimoto, Sakiko Takeuchi, Takashi Inukai, Daisuke Noguchi, Takuro Watanabe
  • Publication number: 20210240097
    Abstract: A toner for developing an electrostatic charge image contains toner particles, layered-compound particles, and inorganic particles. The percentage Fa of layered-compound particles free from the toner particles is 5% by volume or more and 20% by volume or less.
    Type: Application
    Filed: July 1, 2020
    Publication date: August 5, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuaki HASHIMOTO, Sakiko TAKEUCHI, Takashi INUKAI, Daisuke NOGUCHI, Takuro WATANABE
  • Publication number: 20210232056
    Abstract: An electrostatic charge image developer contains toner particles, layered-compound particles that are particles of a nitrogen-containing layered compound, and a resin-coated carrier that has magnetic particles and a resin layer covering the magnetic particles. The maximum height Ry of the roughness profile as defined in JIS B0601: 1994 of the surface of the resin-coated carrier is 0.01 ?m or more and 0.20 ?m or less.
    Type: Application
    Filed: July 6, 2020
    Publication date: July 29, 2021
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Takuro WATANABE, Yasuaki Hashimoto, Daisuke Noguchi, Takashi Inukai, Sakiko Takeuchi
  • Patent number: 11073772
    Abstract: An electrostatic charge image developer contains toner particles, layered-compound particles that are particles of a nitrogen-containing layered compound, and a resin-coated carrier that has magnetic particles and a resin layer covering the magnetic particles. The maximum height Ry of the roughness profile as defined in JIS B0601: 1994 of the surface of the resin-coated carrier is 0.01 ?m or more and 0.20 ?m or less.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: July 27, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takuro Watanabe, Yasuaki Hashimoto, Daisuke Noguchi, Takashi Inukai, Sakiko Takeuchi
  • Patent number: 11067913
    Abstract: An electrostatic image developing toner includes toner particles, layered compound particles, and inorganic particles. The proportion of irregular-shaped inorganic particles having a circularity of 0.5 or more and 0.9 or less and a size of 0.015 ?m or more and 0.350 ?m or less to the entire inorganic particles is 2% by number or more and 70% by number or less.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: July 20, 2021
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Inukai, Yasuaki Hashimoto, Daisuke Noguchi, Takuro Watanabe, Sakiko Takeuchi
  • Publication number: 20210216026
    Abstract: An electrostatic image developing toner includes toner particles, layered compound particles, and inorganic particles. The proportion of irregular-shaped inorganic particles having a circularity of 0.5 or more and 0.9 or less and a size of 0.015 ?m or more and 0.350 ?m or less to the entire inorganic particles is 2% by number or more and 70% by number or less.
    Type: Application
    Filed: July 8, 2020
    Publication date: July 15, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Takashi INUKAI, Yasuaki HASHIMOTO, Daisuke NOGUCHI, Takuro WATANABE, Sakiko TAKEUCHI
  • Publication number: 20210216025
    Abstract: An electrostatic image developing toner includes toner particles, layered compound particles, and inorganic particles. The content of titanium in the electrostatic image developing toner is 0.1 ppm or more and less than 1,500 ppm.
    Type: Application
    Filed: July 27, 2020
    Publication date: July 15, 2021
    Applicant: Fuji Xerox Co., Ltd.
    Inventors: Daisuke Noguchi, Yasuaki Hashimoto, Takashi Inukai, Takuro Watanabe, Sakiko Takeuchi
  • Publication number: 20210088924
    Abstract: A carrier for electrostatic image development includes: a core material; and a coating resin layer that contains inorganic particles and covers the core material. The content of the inorganic particles is 10% by mass or more and 60% by mass or less based on the total mass of the coating resin layer. The volume average diameter D (?m) of the inorganic particles and the thickness T (?m) of the coating resin layer satisfy the following relational expression (1): 0.007?D/T?0.24.
    Type: Application
    Filed: April 6, 2020
    Publication date: March 25, 2021
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Shintaro ANNO, Takuro WATANABE, Yasuaki HASHIMOTO, Yasuo KADOKURA, Kazutsuna SASAKI, Jumpei IWASAKI
  • Patent number: 10852651
    Abstract: An electrostatic-image developer includes a toner and a resin-coated carrier. The toner includes toner particles including a binder resin, a release agent, and a non-ionic surfactant. The resin-coated carrier includes magnetic particles and a resin layer covering the magnetic particles. The resin layer includes inorganic particles having a volume resistivity of 1×100 ?·cm or more and 1×104 ?·cm or less.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: December 1, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yasuaki Hashimoto, Yosuke Tsurumi, Hiroaki Saijo
  • Patent number: 10831119
    Abstract: An electrostatic-image developer includes a toner and a resin-coated carrier. The toner includes toner particles including a binder resin, a release agent, and a non-ionic surfactant. The resin-coated carrier includes magnetic particles and a resin layer covering the magnetic particles. The resin-coated carrier has an absolute specific gravity of 3 g/cm3 or more and 4 g/cm3 or less.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: November 10, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yosuke Tsurumi, Yasuaki Hashimoto, Hiroaki Saijo