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).
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Publication number: 20240090090Abstract: 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: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Inventors: Yoshiyuki YOKOYAMA, Koji Ota, Taro Ogura, Fuminobu Mikami
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Patent number: 11649742Abstract: 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: GrantFiled: October 30, 2017Date of Patent: May 16, 2023Assignee: DENSO CORPORATIONInventors: Seiya Yokoyama, Takahiro Tsuchiya, Shigemasa Kato, Yoji Yamada, Koji Mikami, Akihisa Hattori
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Patent number: 11552514Abstract: 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: GrantFiled: August 2, 2021Date of Patent: January 10, 2023Assignee: DENSO CORPORATIONInventors: Yoji Yamada, Koji Mikami, Akihisa Hattori, Seiya Yokoyama
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Patent number: 11507660Abstract: 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: GrantFiled: December 24, 2020Date of Patent: November 22, 2022Assignee: FUJITSU LIMITEDInventors: Kazuhisa Shirakami, Koji Mikami
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Patent number: 11474439Abstract: 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: GrantFiled: June 12, 2020Date of Patent: October 18, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Kouki Miyano, Ryo Koizumi, Jun Moizumi, Koji Mikami
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Patent number: 11322996Abstract: 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: GrantFiled: March 26, 2019Date of Patent: May 3, 2022Assignee: DENSO CORPORATIONInventors: Koji Mikami, Akihiro Utsumi, Yoshiaki Takemoto, Koji Hotta
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Publication number: 20210367463Abstract: 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: ApplicationFiled: August 2, 2021Publication date: November 25, 2021Inventors: Yoji YAMADA, Koji MIKAMI, Akihisa HATTORI, Seiya YOKOYAMA
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Patent number: 11165292Abstract: 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: GrantFiled: February 25, 2020Date of Patent: November 2, 2021Inventors: Yoji Yamada, Koji Mikami, Takahiro Tsuchiya, Hironari Suzuki, Seiya Yokoyama
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Patent number: 11121596Abstract: 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: GrantFiled: February 23, 2017Date of Patent: September 14, 2021Assignee: DENSO CORPORATIONInventors: Akihisa Hattori, Yoji Yamada, Koji Mikami, Seiya Yokoyama
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Patent number: 11114909Abstract: 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: GrantFiled: July 19, 2016Date of Patent: September 7, 2021Assignee: DENSO CORPORATIONInventors: Yoji Yamada, Koji Mikami, Akihisa Hattori, Seiya Yokoyama
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Publication number: 20210240824Abstract: 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: ApplicationFiled: December 24, 2020Publication date: August 5, 2021Applicant: FUJITSU LIMITEDInventors: Kazuhisa Shirakami, Koji Mikami
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Publication number: 20210218299Abstract: 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: ApplicationFiled: March 26, 2019Publication date: July 15, 2021Applicant: DENSO CORPORATIONInventors: Koji MIKAMI, Akihiro UTSUMI, Yoshiaki TAKEMOTO, Koji HOTTA
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Patent number: 11061337Abstract: 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: GrantFiled: March 4, 2020Date of Patent: July 13, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Koji Mikami, Atsushi Shigenobu
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Publication number: 20200409276Abstract: 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: ApplicationFiled: June 12, 2020Publication date: December 31, 2020Inventors: Kouki Miyano, Ryo Koizumi, Jun Moizumi, Koji Mikami
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Publication number: 20200292945Abstract: 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: ApplicationFiled: March 4, 2020Publication date: September 17, 2020Inventors: Koji Mikami, Atsushi Shigenobu
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Patent number: 10734852Abstract: 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: GrantFiled: September 19, 2017Date of Patent: August 4, 2020Assignee: ASMO CO., LTD.Inventors: Koji Mikami, Shigemasa Kato, Yoji Yamada, Seiya Yokoyama
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Patent number: 10714992Abstract: 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: GrantFiled: December 16, 2016Date of Patent: July 14, 2020Assignee: DENSO CORPORATIONInventors: Koji Mikami, Yoji Yamada, Akihisa Hattori, Seiya Yokoyama
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Publication number: 20200195066Abstract: 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: ApplicationFiled: February 25, 2020Publication date: June 18, 2020Inventors: Yoji Yamada, Koji Mikami, Takahiro Tsuchiya, Hironari Suzuki, Seiya Yokoyama
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Patent number: 10622852Abstract: 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: GrantFiled: June 12, 2017Date of Patent: April 14, 2020Assignee: Denso CorporationInventors: Yoji Yamada, Koji Mikami
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Publication number: 20190234251Abstract: 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: ApplicationFiled: October 30, 2017Publication date: August 1, 2019Applicant: DENSO CORPORATIONInventors: Seiya YOKOYAMA, Takahiro TSUCHIYA, Shigemasa KATO, Yoji YAMADA, Koji MIKAMI, Akihisa HATTORI