Patents by Inventor Koji Mikami

Koji Mikami 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: 20240090090
    Abstract: A transparent conductive film is disposed on the light-transmitting region of the windshield. A first electrode portion and a second electrode portion are arranged to face each other in a vertical direction of a vehicle. A third electrode portion and a fourth electrode portion are arranged to face each other in a direction crossing the vertical direction of the vehicle. A control device is capable of implementing multiple energization modes. In a first mode among the plurality of energization modes, one of the first electrode portion and the second electrode portion is set to a high potential and the other is set to a low potential, or one of the third electrode portion and the fourth electrode portion is set to a high potential and the other is set to a low potential.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 14, 2024
    Inventors: Yoshiyuki YOKOYAMA, Koji Ota, Taro Ogura, Fuminobu Mikami
  • Patent number: 11649742
    Abstract: An attachment structure for a vehicle motor is applied for the purpose of attaching a vehicle motor to in-vehicle equipment. The attachment structure for a vehicle motor is provided with an axial gap motor that includes a rotor and a stator facing each other in the axial direction. The motor is attached to the in-vehicle equipment in a mode in which the axial direction is perpendicular to the vertical direction.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: May 16, 2023
    Assignee: DENSO CORPORATION
    Inventors: Seiya Yokoyama, Takahiro Tsuchiya, Shigemasa Kato, Yoji Yamada, Koji Mikami, Akihisa Hattori
  • Patent number: 11552514
    Abstract: A motor includes a stator having a winding, and a rotor. The rotor rotates by receiving a rotational magnetic field generated by drive current supplied to the winding. The winding includes a first winding and a second winding, the first and second windings both being excited at the same timing by the drive current. The first winding and the second winding are connected in series. The rotor includes a first pole section and a second pole section. The second pole section faces the second winding at the rotation position of the rotor at which the first pole section faces the first winding. The magnetic force exerted on the stator by the second pole section is weaker than that exerted by the first pole section.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: January 10, 2023
    Assignee: DENSO CORPORATION
    Inventors: Yoji Yamada, Koji Mikami, Akihisa Hattori, Seiya Yokoyama
  • Patent number: 11507660
    Abstract: An information processing apparatus includes a memory and a processor. The processor coupled to the memory and configured to receive information indicating a plurality of program components used to execute a cyber exercise and a relationship between the plurality of program components, and generate a program group included in a scenario that controls execution of the cyber exercise by combining the plurality of program components based on the information indicating the relationship.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: November 22, 2022
    Assignee: FUJITSU LIMITED
    Inventors: Kazuhisa Shirakami, Koji Mikami
  • Patent number: 11474439
    Abstract: An exposure apparatus includes a first temperature controller for controlling a temperature distribution on an optical element of a projection optical system, and a second temperature controller for controlling a temperature distribution on an optical element of the projection optical system, wherein in a first period in which the exposure operation is executed, at least one of the first temperature controller and the second temperature controller operates to reduce a change in an aberration of the projection optical system due to the exposure operation being executed, and in a second period which follows the first period and in which the exposure operation is not executed, at least one of the first temperature controller and the second temperature controller operates to reduce a change in an aberration due to the exposure operation not being executed.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: October 18, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kouki Miyano, Ryo Koizumi, Jun Moizumi, Koji Mikami
  • Patent number: 11322996
    Abstract: A motor includes a rotation shaft, a rotor, and a stator. The rotor includes a rotor core and magnetic pole portions respectively including permanent magnets embedded in the rotor core. The magnetic pole portions have polarities that differ alternately in a circumferential direction. A projection projecting radially outward from an outer circumferential portion of the rotor core is arranged between the magnetic pole portions having different polarities. In a radial opposing relationship of the rotor core and the teeth taken at different times while the rotor is revolved once, at a certain time, a quantity of the teeth that oppose one of the magnetic pole portions and do not oppose the projection is greater than a quantity of the teeth that simultaneously oppose two of the magnetic pole portions adjacent to each other in the circumferential direction and the projection located in between the magnetic pole portions.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: May 3, 2022
    Assignee: DENSO CORPORATION
    Inventors: Koji Mikami, Akihiro Utsumi, Yoshiaki Takemoto, Koji Hotta
  • Publication number: 20210367463
    Abstract: A motor includes a stator having a winding, and a rotor. The rotor rotates by receiving a rotational magnetic field generated by drive current supplied to the winding. The winding includes a first winding and a second winding, the first and second windings both being excited at the same timing by the drive current. The first winding and the second winding are connected in series. The rotor includes a first pole section and a second pole section. The second pole section faces the second winding at the rotation position of the rotor at which the first pole section faces the first winding. The magnetic force exerted on the stator by the second pole section is weaker than that exerted by the first pole section.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 25, 2021
    Inventors: Yoji YAMADA, Koji MIKAMI, Akihisa HATTORI, Seiya YOKOYAMA
  • Patent number: 11165292
    Abstract: A motor includes a stator, a rotor, a case, and back-surface magnet portions. The rotor has a first rotor core, a second rotor core and a field magnet. Each of the first and second rotor cores has a core base and claw-shaped magnetic poles. The field magnet is sandwiched between the first rotor core and the second rotor core and causes the claw-shaped magnetic poles of the first rotor core and the second rotor core to function as different magnetic poles. The back-surface magnet portions include a second and a first back-surface magnet portions respectively provided on the back surfaces of the claw-shaped magnetic poles of the second rotor core and the first rotor core. Size of the second back-surface magnet portion differs from size of the first back-surface magnet portion are different from each other.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: November 2, 2021
    Inventors: Yoji Yamada, Koji Mikami, Takahiro Tsuchiya, Hironari Suzuki, Seiya Yokoyama
  • Patent number: 11121596
    Abstract: A stator of a brushless motor includes a stator core and a plurality of coils. The stator core includes a base portion having an annular plate shape and a plurality of teeth protruding from one surface of the base portion in an axial direction and disposed in a circumferential direction. The plurality of coils is respectively wound by concentrated winding along peripheral surfaces of the plurality of teeth. The base portion includes an inner circumferential edge that is recessed radially outward from an inner end of each of the plurality of teeth or the base portion includes an outer circumferential edge that is recessed radially inward from an outer end of each of the plurality of teeth.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: September 14, 2021
    Assignee: DENSO CORPORATION
    Inventors: Akihisa Hattori, Yoji Yamada, Koji Mikami, Seiya Yokoyama
  • Patent number: 11114909
    Abstract: A motor includes a stator having a winding, and a rotor. The rotor rotates by receiving a rotational magnetic field generated by drive current supplied to the winding. The winding includes a first winding and a second winding, the first and second windings both being excited at the same timing by the drive current. The first winding and the second winding are connected in series. The rotor includes a first pole section and a second pole section. The second pole section faces the second winding at the rotation position of the rotor at which the first pole section faces the first winding. The magnetic force exerted on the stator by the second pole section is weaker than that exerted by the first pole section.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: September 7, 2021
    Assignee: DENSO CORPORATION
    Inventors: Yoji Yamada, Koji Mikami, Akihisa Hattori, Seiya Yokoyama
  • Publication number: 20210240824
    Abstract: An information processing apparatus includes a memory and a processor. The processor coupled to the memory and configured to receive information indicating a plurality of program components used to execute a cyber exercise and a relationship between the plurality of program components, and generate a program group included in a scenario that controls execution of the cyber exercise by combining the plurality of program components based on the information indicating the relationship.
    Type: Application
    Filed: December 24, 2020
    Publication date: August 5, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Kazuhisa Shirakami, Koji Mikami
  • Publication number: 20210218299
    Abstract: A motor includes a rotation shaft, a rotor, and a stator. The rotor includes a rotor core and magnetic pole portions respectively including permanent magnets embedded in the rotor core. The magnetic pole portions have polarities that differ alternately in a circumferential direction. A projection projecting radially outward from an outer circumferential portion of the rotor core is arranged between the magnetic pole portions having different polarities. In a radial opposing relationship of the rotor core and the teeth taken at different times while the rotor is revolved once, at a certain time, a quantity of the teeth that oppose one of the magnetic pole portions and do not oppose the projection is greater than a quantity of the teeth that simultaneously oppose two of the magnetic pole portions adjacent to each other in the circumferential direction and the projection located in between the magnetic pole portions.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 15, 2021
    Applicant: DENSO CORPORATION
    Inventors: Koji MIKAMI, Akihiro UTSUMI, Yoshiaki TAKEMOTO, Koji HOTTA
  • Patent number: 11061337
    Abstract: An exposure apparatus that projects a pattern of an original onto a substrate via a projection optical system and exposes the substrate is provided. The apparatus comprises an aberration correction member arranged on an optical path of exposure light between the original and the substrate, and a driver which drives the aberration correction member. The aberration correction member includes a first optical element including a first surface having a three-fold rotational symmetric aspherical shape with respect to an optical axis of the exposure light, and a second optical element spaced apart from the first optical element along the optical axis and including a second surface facing the first surface and having an aspherical shape that complementarily corrects an aberration generated by the first optical element.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: July 13, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Mikami, Atsushi Shigenobu
  • Publication number: 20200409276
    Abstract: An exposure apparatus includes a first temperature controller for controlling a temperature distribution on an optical element of a projection optical system, and a second temperature controller for controlling a temperature distribution on an optical element of the projection optical system, wherein in a first period in which the exposure operation is executed, at least one of the first temperature controller and the second temperature controller operates to reduce a change in an aberration of the projection optical system due to the exposure operation being executed, and in a second period which follows the first period and in which the exposure operation is not executed, at least one of the first temperature controller and the second temperature controller operates to reduce a change in an aberration due to the exposure operation not being executed.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 31, 2020
    Inventors: Kouki Miyano, Ryo Koizumi, Jun Moizumi, Koji Mikami
  • Publication number: 20200292945
    Abstract: An exposure apparatus that projects a pattern of an original onto a substrate via a projection optical system and exposes the substrate is provided. The apparatus comprises an aberration correction member arranged on an optical path of exposure light between the original and the substrate, and a driver which drives the aberration correction member. The aberration correction member includes a first optical element including a first surface having a three-fold rotational symmetric aspherical shape with respect to an optical axis of the exposure light, and a second optical element spaced apart from the first optical element along the optical axis and including a second surface facing the first surface and having an aspherical shape that complementarily corrects an aberration generated by the first optical element.
    Type: Application
    Filed: March 4, 2020
    Publication date: September 17, 2020
    Inventors: Koji Mikami, Atsushi Shigenobu
  • Patent number: 10734852
    Abstract: A motor includes a stator, a rotor and a case. The rotor includes a first rotor core, a second rotor core, and a field magnet. Each of the first rotor core and the second rotor core includes a core base and a plurality of claw poles. The field magnet is located between the core bases. The case includes a cylindrical yoke housing and a lid. To balance magnetic flux from the first rotor core with magnetic flux from the second rotor core, the distance between the rotor and the stator is varied from the distance between the rotor and the yoke housing or the teeth of the stator are shaped to enable magnetic saturation.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: August 4, 2020
    Assignee: ASMO CO., LTD.
    Inventors: Koji Mikami, Shigemasa Kato, Yoji Yamada, Seiya Yokoyama
  • Patent number: 10714992
    Abstract: A motor includes a stator including windings and a rotor. The windings include a first winding and a second winding connected in series. The rotor includes a plurality of rotor parts arranged in an axial direction. Each of the rotor parts includes a first magnet pole unit including a permanent magnet and a second magnet pole unit opposing the second winding at a rotational position of the rotor where the first magnet unit opposes the first winding. The second magnet pole unit applies a weaker magnetic force to the stator than the first magnet pole unit. The rotor parts each include an equal number of magnet poles. The first magnet pole units of the rotor parts are located at positions deviated from one another in a circumferential direction. The second magnet pole units of the rotor parts are located at positions deviated from one another in the circumferential direction.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: July 14, 2020
    Assignee: DENSO CORPORATION
    Inventors: Koji Mikami, Yoji Yamada, Akihisa Hattori, Seiya Yokoyama
  • Publication number: 20200195066
    Abstract: A motor includes a stator, a rotor, a case, and back-surface magnet portions. The rotor has a first rotor core, a second rotor core and a field magnet. Each of the first and second rotor cores has a core base and claw-shaped magnetic poles. The field magnet is sandwiched between the first rotor core and the second rotor core and causes the claw-shaped magnetic poles of the first rotor core and the second rotor core to function as different magnetic poles. The back-surface magnet portions include a second and a first back-surface magnet portions respectively provided on the back surfaces of the claw-shaped magnetic poles of the second rotor core and the first rotor core. Size of the second back-surface magnet portion differs from size of the first back-surface magnet portion are different from each other.
    Type: Application
    Filed: February 25, 2020
    Publication date: June 18, 2020
    Inventors: Yoji Yamada, Koji Mikami, Takahiro Tsuchiya, Hironari Suzuki, Seiya Yokoyama
  • Patent number: 10622852
    Abstract: A motor includes a stator, a rotor, a case, and back-surface magnet portions. The rotor has a first rotor core, a second rotor core and a field magnet. Each of the first and second rotor cores has a core base and claw-shaped magnetic poles. The field magnet is sandwiched between the first rotor core and the second rotor core and causes the claw-shaped magnetic poles of the first rotor core and the second rotor core to function as different magnetic poles. The back-surface magnet portions include a second and a first back-surface magnet portions respectively provided on the back surfaces of the claw-shaped magnetic poles of the second rotor core and the first rotor core. Size of the second back-surface magnet portion differs from size of the first back-surface magnet portion are different from each other.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: April 14, 2020
    Assignee: Denso Corporation
    Inventors: Yoji Yamada, Koji Mikami
  • Publication number: 20190234251
    Abstract: An attachment structure for a vehicle motor is applied for the purpose of attaching a vehicle motor to in-vehicle equipment. The attachment structure for a vehicle motor is provided with an axial gap motor that includes a rotor and a stator facing each other in the axial direction. The motor is attached to the in-vehicle equipment in a mode in which the axial direction is perpendicular to the vertical direction.
    Type: Application
    Filed: October 30, 2017
    Publication date: August 1, 2019
    Applicant: DENSO CORPORATION
    Inventors: Seiya YOKOYAMA, Takahiro TSUCHIYA, Shigemasa KATO, Yoji YAMADA, Koji MIKAMI, Akihisa HATTORI