Patents by Inventor Kazuhisa Takeda

Kazuhisa Takeda 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).

  • Patent number: 12130564
    Abstract: An image forming apparatus according to an embodiment includes an image bearing body, a developing roller, a housing, and a gap adjusting member. The image bearing body includes a first rotating shaft and includes a first surface on which a latent image is formed. The developing roller includes a second rotating shaft, includes a second surface, includes a bearing, and supplies a developer to the latent image and develops the latent image. The housing rotatably supports the second rotating shaft. The gap adjusting member includes a shaft hole for rotatably receiving one end of the first rotating shaft and includes a cam surface. The gap adjusting member is turned around the first rotating shaft and is fixed to the housing in a turning position where a gap is uniform in a direction of the second rotating shaft of the developing roller.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: October 29, 2024
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Kazuhisa Takeda
  • Publication number: 20240270325
    Abstract: What is provided is an automobile body in which batteries, tires, and liquids containing water and oil are removed from a public road vehicle with superior collision safety, the public road vehicle comprising at least a steel material containing a steel sheet with a tensile strength of 1180 MPa or higher, a non-ferrous metal material, and a resin material, wherein the ratio of a mass mh (kg) of the steel sheet having a tensile strength of 1180 MPa or higher to a mass m (kg) of the automobile body is 9% or higher, and a mass m (kg) of the automobile body and a projected area s (m2) of the automobile body from an upper side satisfy a formula (1) and a formula (2) 6 < s < 11 ( 1 ) m < ( 2 ? 7 ? 2 . 3 ? 7 × s - 8 ? 3 ? 5 ) × 0 ? .98 .
    Type: Application
    Filed: May 25, 2022
    Publication date: August 15, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Masahiro KUBO, Shunji HIWATASHI, Yutaka MIKAZUKI, Koichi SATO, Takahiro AITOH, Kengo TAKEDA, Katsuya NAKANO, Yuri TODA, Shinichiro TABATA, Kodai MURASAWA, Daisuke MAEDA, Kazuo HIKIDA, Kazuhisa KUSUMI, Shingo FUJINAKA, Jun HAGA, Ryo TABATA, Ryoma KATO, Mitsuharu YAMAGATA, Toshiyuki NIWA, Hiromi ASAMA, Junichiro SUZUKI, Yasunori ITO
  • Publication number: 20240246347
    Abstract: A printing device includes: a medium support unit including a support surface configured to support at least a printing region of a medium; a medium accommodating unit configured to accommodate a region of the medium not supported by the support surface; a head configured to discharge a liquid onto the medium supported by the support surface; a first head moving unit configured to move the head in a first direction parallel to the support surface; a second head moving unit configured to move the head in a second direction that is parallel to the support surface and intersects the first direction; a maintenance unit performs maintenance of the head; and a maintenance cover configured to cover a side of the maintenance unit in the third direction configured to face the head in the maintenance unit.
    Type: Application
    Filed: January 17, 2024
    Publication date: July 25, 2024
    Inventors: Mafumi KOBAYASHI, Haruki MIYASAKA, Kazuhisa TAKEDA
  • Publication number: 20240109285
    Abstract: A printing apparatus includes a head that faces a medium supported by a medium support unit and ejects a liquid, an interference object sensor including a detector that detects an interference object with the head, and a cover that can switch the detector to a shielded state and to an exposed state.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 4, 2024
    Inventors: Kenjiro ISHIHARA, Kazuhisa TAKEDA, Keita HANAWA, Ryo NISHIKAWA
  • Publication number: 20240100835
    Abstract: A printing apparatus includes a housing, a medium support unit having a support surface supporting a medium, and a printing unit configured to perform printing on the medium supported by the support surface. The housing accommodates the medium support unit and the printing unit. The medium support unit includes a position adjustment unit configured to adjust a position of the support surface in an intersecting direction intersecting the support surface. The position adjustment unit can move the support surface from outside the movement range to within the movement range when the printing is not being performed by the printing unit and the head is disposed at a retracted position.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 28, 2024
    Inventors: Kazunori TAKABAYASHI, Kazuhisa TAKEDA, Kenichi SHIROTA
  • Publication number: 20240085820
    Abstract: An image forming apparatus according to an embodiment includes an image bearing body, a developing roller, a housing, and a gap adjusting member. The image bearing body includes a first rotating shaft and includes a first surface on which a latent image is formed. The developing roller includes a second rotating shaft, includes a second surface, includes a bearing, and supplies a developer to the latent image and develops the latent image. The housing rotatably supports the second rotating shaft. The gap adjusting member includes a shaft hole for rotatably receiving one end of the first rotating shaft and includes a cam surface. The gap adjusting member is turned around the first rotating shaft and is fixed to the housing in a turning position where a gap is uniform in a direction of the second rotating shaft of the developing roller.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 14, 2024
    Inventor: Kazuhisa Takeda
  • Patent number: 11727908
    Abstract: A recording device includes a recording unit configured to record on a medium, a transportation unit configured to transport the medium, a driving member, a plurality of gears configured to transmit a driving force of the driving member, and a sound absorber having an opening and a hollow space in communication with the opening. The sound absorber is located between a side end of the medium being transported by the transportation unit and the plurality of gears.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: August 15, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Morio Iwata, Kazuhisa Takeda, Mafumi Kobayashi, Katsumi Yamada
  • Patent number: 11575803
    Abstract: An image forming apparatus includes a forming unit, a generation unit, a storage unit, a correction unit, and a changing unit. The forming unit forms an image. The generation unit generates correction data for correcting density unevenness for each of a plurality of regions divided in a main scanning direction of an image formed by the forming unit. The storage unit stores the correction data generated by the generation unit. The correction unit corrects a density of an image to be formed by the forming unit for each of the plurality of regions based on the correction data stored by the storage unit. The changing unit changes an image formation density by the forming unit with a uniform amount of change for the plurality of regions after the correction data is generated by the generation unit.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: February 7, 2023
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Kazuhisa Takeda
  • Patent number: 11527746
    Abstract: A lithium ion secondary battery includes at least a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode includes a negative electrode current collector and a negative electrode mixture layer. The negative electrode mixture layer is formed on a surface of the negative electrode current collector. The negative electrode mixture layer includes graphite particles, inorganic filler particles, lithium titanate particles, and a water-based binder. The inorganic filler particles have an average primary particle size that is ½ or less of an average primary particle size of the graphite particles. The lithium titanate particles have an average primary particle size of 1 ?m or less. A ratio of an average primary particle size of the lithium titanate particles with respect to an average primary particle size of the inorganic filler particles is one or less.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: December 13, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinsuke Matsuhara, Kazuhisa Takeda
  • Patent number: 11433691
    Abstract: A recording apparatus includes a medium mounting section on which a medium is to be mounted, a reverse-feeding path for reversing the medium that has been fed from the medium mounting section, a recording unit configured to perform recording onto the medium that has been reversed by the reverse-feeding path, and a reverse-discharging path for reversing the medium on which recording has been performed by the recording unit and for discharge the medium to a discharge section configured to discharge the medium, in which when viewed in a medium width direction intersecting a medium transport direction, a path section for reversing the medium in the reverse-feeding path and a path section for reversing the medium in the reverse-discharging path have portions overlapping each other in the vertical direction.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: September 6, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Kazuo Otsuka, Kazuhisa Takeda, Satoshi Kawamura, Haruna Takahashi, Keisuke Sasaki
  • Patent number: 11320763
    Abstract: According to one embodiment, there is provided a developer layer regulating member including: a magnetic material extending in an axis direction of a developing roller; a non-magnetic material facing the magnetic material; and first and second spot weld rows that bond the magnetic material to the non-magnetic material. The magnetic material includes a first end located near the developing roller and a second end located on an opposite side of the first end. The first spot weld row extends in the axis direction of the developing roller between the first and second ends of the magnetic material. The second spot weld row extends in the axis direction of the developing roller between the first spot weld row and the second end of the magnetic material.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: May 3, 2022
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Kazuhisa Takeda
  • Patent number: 11316205
    Abstract: A lithium ion secondary battery includes at least a positive electrode, a separator, a first intermediate layer, a second intermediate layer, and a negative electrode. The separator is arranged between the positive electrode and the negative electrode. The first intermediate layer is arranged between the separator and the negative electrode. The second intermediate layer is arranged between the first intermediate layer and the negative electrode. The first intermediate layer and the second intermediate layer are each a porous layer. The first intermediate layer contains at least a metal organic framework. The second intermediate layer is electrically insulating.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: April 26, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kazuhisa Takeda
  • Patent number: 11276900
    Abstract: A nonaqueous electrolyte secondary battery includes a flat wound electrode body that includes a positive electrode sheet, a negative electrode sheet, and a separator sheet, and a nonaqueous electrolyte. The wound electrode body includes a filling layer containing a thermal polymerization product of a resin having electrolyte solution swellability between the negative electrode sheet and the separator sheet.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: March 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinsuke Matsuhara, Kazuhisa Takeda
  • Patent number: 11264604
    Abstract: A negative electrode material includes at least a graphite particle and a first metal oxide. The graphite particle includes at least one open pore. The graphite particle has a porosity not lower than 13% and not higher than 66%. The first metal oxide adheres to an inner wall of the open pore. The first metal oxide is lithium ion conductive and electron conductive. The first metal oxide is not smaller than 0.5 part by mass and not greater than 20 parts by mass with respect to 100 parts by mass of graphite particle.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: March 1, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinsuke Matsuhara, Kazuhisa Takeda
  • Patent number: 11228024
    Abstract: A lithium ion secondary battery includes at least a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode includes a negative electrode current collector and a negative electrode mixture layer. The negative electrode mixture layer is formed on a surface of the negative electrode current collector. The negative electrode mixture layer includes graphite particles, inorganic filler particles, lithium titanate particles, and a water-based binder. The inorganic filler particles have an average primary particle size that is ½ or less of an average primary particle size of the graphite particles. The lithium titanate particles have an average primary particle size of 1 ?m or less. A ratio of an average primary particle size of the lithium titanate particles with respect to an average primary particle size of the inorganic filler particles is one or less.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: January 18, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinsuke Matsuhara, Kazuhisa Takeda
  • Publication number: 20210399279
    Abstract: A lithium ion secondary battery includes at least a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode includes a negative electrode current collector and a negative electrode mixture layer. The negative electrode mixture layer is formed on a surface of the negative electrode current collector. The negative electrode mixture layer includes graphite particles, inorganic filler particles, lithium titanate particles, and a water-based binder. The inorganic filler particles have an average primary particle size that is ½ or less of an average primary particle size of the graphite particles. The lithium titanate particles have an average primary particle size of 1 ?m or less. A ratio of an average primary particle size of the lithium titanate particles with respect to an average primary particle size of the inorganic filler particles is one or less.
    Type: Application
    Filed: April 26, 2021
    Publication date: December 23, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinsuke MATSUHARA, Kazuhisa TAKEDA
  • Patent number: 11152645
    Abstract: A lithium ion secondary battery includes at least a positive electrode, a separator, a first intermediate layer, a second intermediate layer, and a negative electrode. The separator is arranged between the positive electrode and the negative electrode. The first intermediate layer is arranged between the separator and the negative electrode. The second intermediate layer is arranged between the first intermediate layer and the negative electrode. The first intermediate layer and the second intermediate layer are each a porous layer. The first intermediate layer contains at least a metal organic framework. The second intermediate layer is electrically insulating.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: October 19, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kazuhisa Takeda
  • Patent number: 11123998
    Abstract: A medium transport device includes a first transport route for discharging a medium processed by a processing unit to an outer side of a housing in which the processing unit is provided, and a second transport route for discharging a medium processed by the processing unit to the outer side of the housing. The housing has an openable/closeable or detachable cover, and at least one of the first transport route and a route forming member constituting the first transport route and at least one of the second transport route and a route forming member constituting the second transport route to be exposed by opening or detaching of the cover.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: September 21, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Kazuo Otsuka, Kazuhisa Takeda
  • Publication number: 20210257671
    Abstract: A lithium ion secondary battery includes at least a positive electrode, a separator, a first intermediate layer, a second intermediate layer, and a negative electrode. The separator is arranged between the positive electrode and the negative electrode. The first intermediate layer is arranged between the separator and the negative electrode. The second intermediate layer is arranged between the first intermediate layer and the negative electrode. The first intermediate layer and the second intermediate layer are each a porous layer. The first intermediate layer contains at least a metal organic framework. The second intermediate layer is electrically insulating.
    Type: Application
    Filed: April 30, 2021
    Publication date: August 19, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kazuhisa TAKEDA
  • Publication number: 20210151023
    Abstract: A recording device includes a recording unit configured to record on a medium, a transportation unit configured to transport the medium, a driving member, a plurality of gears configured to transmit a driving force of the driving member, and a sound absorber having an opening and a hollow space in communication with the opening. The sound absorber is located between a side end of the medium being transported by the transportation unit and the plurality of gears.
    Type: Application
    Filed: November 17, 2020
    Publication date: May 20, 2021
    Inventors: Morio IWATA, Kazuhisa TAKEDA, Mafumi KOBAYASHI, Katsumi YAMADA