Patents by Inventor Yuichiro Baba

Yuichiro Baba 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: 20250233467
    Abstract: A rotary electric machine includes a rotor core having a plurality of magnet holes, and a plurality of magnets respectively inserted into the plurality of magnet holes. The magnet includes a pair of first layer magnets arranged in a V-shape and a pair of second layer magnets arranged in a V-shape on an inner diameter side of the first layer magnets, and the rotor core has a hole portion at a position that overlaps with a d-axis which is a magnetic pole center of the rotor core, the hole portion being between the first layer magnet and the second layer magnet.
    Type: Application
    Filed: June 9, 2022
    Publication date: July 17, 2025
    Inventors: Hiromitsu OKAMOTO, Yuichiro BABA, Takuya MIYAGI, Hiroki NARUSHIMA, Shota YOSHIDA
  • Publication number: 20250211068
    Abstract: A stator of a rotary electric machine includes an annular stator core having a slot, a slot conductor disposed in the slot, a coil end conductor that is disposed outside the slot and connected to the slot conductor, a temperature detector attached to the coil end conductor, and an attachment member that fixes the temperature detector to the coil end conductor. The attachment member includes a base portion that forms a mounting region in which the temperature detector is disposed, a first biasing portion that biases the temperature detector to the base portion side, a first connection portion that connects one end of the base portion and the first biasing portion, a second biasing portion that biases the coil end conductor to the base portion side, and a second connection portion that connects the other end of the base portion and the second biasing portion.
    Type: Application
    Filed: June 30, 2022
    Publication date: June 26, 2025
    Inventors: Keisuke TATENO, Yuichiro BABA, Hiroshi AOKI
  • Patent number: 12273634
    Abstract: Color accuracy in an imaging device is improved. An imaging element includes a plurality of pixels that acquires first information that is information of three primary colors and second information that is information of at least two colors different from the three primary colors and that includes at least one of complementary colors of the three primary colors.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: April 8, 2025
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Masashi Nakata, Hiroaki Yamajo, Yosuke Yamamoto, Yuichiro Baba, Junichi Kanai
  • Patent number: 12261488
    Abstract: Adhesion between a temperature detection unit and a segment coil is improved to improve temperature following capability. A stator core, a stator winding wire configured with a plurality of connected segment coils attached to the stator core, and a temperature detection unit that is in contact with the segment coil to detect temperature are provided, and among the segment coils, a segment coil at which the temperature detection unit is disposed is disposed to protrude further than other segment coils disposed alongside.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: March 25, 2025
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Keisuke Tateno, Yuichiro Baba, Yuki Konishi
  • Publication number: 20240194712
    Abstract: To acquire multi-spectral information having a narrow half-value width. A solid-state imaging apparatus includes a light receiving element, an optical filter, and a multi-bandpass filter. The light receiving element photoelectrically converts incident light. The optical filter controls a color of the light incident on the light receiving element. The multi-bandpass filter acquires light incident through the optical filter or light incident on the optical filter, in a plurality of frequency bands. The optical filter is a filter corresponding to a plurality of the colors and controls the color incident with respect to each of the light receiving elements. In the multi-bandpass filter, at least one of peaks of a transmitted frequency band has a frequency different from a peak of transmitted light in the filter corresponding to each of the plurality of colors.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 13, 2024
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Masashi NAKATA, Yuichiro BABA
  • Patent number: 12003165
    Abstract: An object of the present invention is to promote weight reduction while improving torsional stiffness of a motor case of a rotary electric machine. A motor case accommodates a stator, a rotor facing an inner periphery of the stator, and a rotating shaft coupled to the rotor. The motor case includes a peripheral wall which is formed in a tubular shape and has a space accommodating the stator and the rotating shaft on an inside, a flange portion which is formed at one end of the peripheral wall and is coupled to an outside, and damping ribs which are formed at an outer periphery of the peripheral wall, are formed between a position crossing the outer periphery of the peripheral wall and the flange portion on an extension of the rotating shaft in a radial direction from an end portion of the stator, and are constituted by a plurality of ribs.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: June 4, 2024
    Assignee: Hitachi Astemo, Ltd
    Inventors: Toshiki Takahashi, Takuya Miyagi, Hayato Fujita, Yuichiro Baba
  • Patent number: 11973386
    Abstract: Since the shape of the insulating paper is complicated, a forming and bending step of the insulating paper is required, and further there is a step of inserting the insulating paper in the middle of coil forming, which causes a problem of damaging the insulating paper. A fitting state of an insulating paper 201 into the inter-coil gap has an annular taper shape in which a diameter dimension D1 of an annular opening of the insulating paper 201 on a coil end tip side is long, and a diameter dimension d2 of an annular opening of the insulating paper 201 on a stator end face side on the opposite side is short. The insulating paper 201 is made to follow the tapered shape of the inter-coil gap 140 between an inner peripheral coil 120 and an outer peripheral coil 130, and the insulating paper 201 is fitted in a state inclined from the coil end tip side to the stator end face side with respect to an axial direction of the stator 20.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: April 30, 2024
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Kenji Nakayama, Ryoji Kobayashi, Yuichiro Baba
  • Patent number: 11917306
    Abstract: Provided is an electronic device that decreases a width of a bezel, and restricts a decrease in an image quality of an image captured with a camera. The electronic device includes: a displaying unit; and a capture unit arranged on a side opposite a displaying surface of the displaying unit. The capture unit includes: a plurality of photoelectric-conversion units that converts light that has been made to enter through the displaying unit into electricity; and a plurality of polarization elements arranged on a light entering side of at least one photoelectric-conversion unit of the plurality of photoelectric-conversion units.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: February 27, 2024
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Masashi Nakata, Tomohiro Yamazaki, Junichi Kanai, Yuichiro Baba
  • Patent number: 11855509
    Abstract: An object of the present invention is to provide a sealing member that provides high sealability in a coolant flow path. A rotating electrical machine includes a stator core around which a winding is wound, a stator frame that supports the stator core, a housing that is disposed outside the stator frame and forms a flow path space with the stator frame, and a sealing member that is disposed between the stator frame and the housing. The housing includes a mounting portion on which the sealing member is mounted. The sealing member includes a base portion that is in contact with the housing and the stator frame, and an attachment portion that protrudes from the base portion and is inserted to the mounting portion of the housing.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: December 26, 2023
    Assignee: HITACHI ASTEMO, LTD.
    Inventors: Hayato Fujita, Yuichiro Baba, Ryoji Kobayashi, Toshiki Takahashi, Takuya Miyagi, Kenji Nakayama
  • Patent number: 11837916
    Abstract: An object of the present invention is to reduce stress caused by press-fitting of a shaft on an outer edge portion side of a rotor. A rotor for a rotating electric machine includes a shaft and a rotor iron core, the shaft coupled to the rotor iron core. The rotor iron core includes: an outer edge portion housing a magnet; an inner edge portion coupled to the shaft; and a rib portion having a lightening portion that is formed inside between the outer edge portion and the inner edge portion. The rib portion includes: a through-hole forming portion connected to the outer edge portion and having a through-hole inside; and a bridge portion connecting the through-hole forming portion and the inner edge portion. The bridge portion includes: a second bridge portion connected to the through-hole forming portion and protruding outward; and a first bridge portion having one end connected to the inner edge portion and another end connected to the second bridge portion.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: December 5, 2023
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Takuya Miyagi, Toshiki Takahashi, Hayato Fujita, Yuichiro Baba, Kenji Nakayama
  • Patent number: 11743604
    Abstract: An imaging device includes: a pixel array part in which a plurality of pixel groups each including four pixels arranged in a matrix of 2×2 is arrayed. As a pixel group including four pixels, there are formed a first pixel group that includes three pixels that receive red light and one pixel that receives infrared light, a second pixel group that includes three pixels that receive blue light and one pixel that receives infrared light, a third pixel group that includes three pixels that receive green light and one pixel that receives infrared light, and a fourth pixel group that includes three pixels that receive green light and one pixel that receives infrared light. Four pixel groups including the first pixel group, the second pixel group, the third pixel group, and the fourth pixel group are arranged to form a set of 2×2 units in which the first pixel group and the second pixel group are diagonally positioned, and the third pixel group and the fourth pixel group are diagonally positioned.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: August 29, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yasushi Sato, Junichi Sakamoto, Mitsuru Mishio, Yuichiro Baba
  • Publication number: 20230142308
    Abstract: Adhesion between a temperature detection unit and a segment coil is improved to improve temperature following capability. A stator core, a stator winding wire configured with a plurality of connected segment coils attached to the stator core, and a temperature detection unit that is in contact with the segment coil to detect temperature are provided, and among the segment coils, a segment coil at which the temperature detection unit is disposed is disposed to protrude further than other segment coils disposed alongside.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 11, 2023
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Keisuke TATENO, Yuichiro BABA, Yuki KONISHI
  • Publication number: 20230140768
    Abstract: Color accuracy in an imaging device is improved. An imaging element includes a plurality of pixels that acquires first information that is information of three primary colors and second information that is information of at least two colors different from the three primary colors and that includes at least one of complementary colors of the three primary colors.
    Type: Application
    Filed: March 1, 2021
    Publication date: May 4, 2023
    Inventors: Masashi Nakata, Hiroaki Yamajo, Yosuke Yamamoto, Yuichiro Baba, Junichi Kanai
  • Publication number: 20220352786
    Abstract: An object of the present invention is to promote weight reduction while improving torsional stiffness of a motor case of a rotary electric machine. A motor case accommodates a stator, a rotor facing an inner periphery of the stator, and a rotating shaft coupled to the rotor. The motor case includes a peripheral wall which is formed in a tubular shape and has a space accommodating the stator and the rotating shaft on an inside, a flange portion which is formed at one end of the peripheral wall and is coupled to an outside, and damping ribs which are formed at an outer periphery of the peripheral wall, are formed between a position crossing the outer periphery of the peripheral wall and the flange portion on an extension of the rotating shaft in a radial direction from an end portion of the stator, and are constituted by a plurality of ribs.
    Type: Application
    Filed: December 13, 2019
    Publication date: November 3, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Toshiki TAKAHASHI, Takuya MIYAGI, Hayato FUJITA, Yuichiro BABA
  • Patent number: 11411473
    Abstract: The degree of freedom in attachment of a temperature sensor is improved. A stator for a rotating electric machine includes: a temperature sensor; and a temperature sensor holder that grips a stator winding portion at a coil end (a portion of a stator winding protruding from both ends of a stator iron core) and the temperature sensor. The temperature sensor holder can be deformed in a direction other than a gripping direction in addition to the gripping direction.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: August 9, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Yuichiro Baba, Mitsuaki Izumi
  • Publication number: 20220247255
    Abstract: An object of the present invention is to provide a sealing member that provides high sealability in a coolant flow path. A rotating electrical machine includes a stator core around which a winding is wound, a stator frame that supports the stator core, a housing that is disposed outside the stator frame and forms a flow path space with the stator frame, and a sealing member that is disposed between the stator frame and the housing. The housing includes a mounting portion on which the sealing member is mounted. The sealing member includes a base portion that is in contact with the housing and the stator frame, and an attachment portion that protrudes from the base portion and is inserted to the mounting portion of the housing.
    Type: Application
    Filed: July 10, 2020
    Publication date: August 4, 2022
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Hayato FUJITA, Yuichiro BABA, Ryoji KOBAYASHI, Toshiki TAKAHASHI, Takuya MIYAGI, Kenji NAKAYAMA
  • Publication number: 20220037940
    Abstract: An object of the present invention is to reduce stress caused by press-fitting of a shaft on an outer edge portion side of a rotor. A rotor for a rotating electric machine includes a shaft and a rotor iron core, the shaft coupled to the rotor iron core. The rotor iron core includes: an outer edge portion housing a magnet; an inner edge portion coupled to the shaft; and a rib portion having a lightening portion that is formed inside between the outer edge portion and the inner edge portion. The rib portion includes: a through-hole forming portion connected to the outer edge portion and having a through-hole inside; and a bridge portion connecting the through-hole forming portion and the inner edge portion. The bridge portion includes: a second bridge portion connected to the through-hole forming portion and protruding outward; and a first bridge portion having one end connected to the inner edge portion and another end connected to the second bridge portion.
    Type: Application
    Filed: December 13, 2019
    Publication date: February 3, 2022
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Takuya MIYAGI, Toshiki TAKAHASHI, Hayato FUJITA, Yuichiro BABA, Kenji NAKAYAMA
  • Publication number: 20210266425
    Abstract: Provided is an electronic device that decreases a width of a bezel, and restricts a decrease in an image quality of an image captured with a camera. The electronic device includes: a displaying unit; and a capture unit arranged on a side opposite a displaying surface of the displaying unit. The capture unit includes: a plurality of photoelectric-conversion units that converts light that has been made to enter through the displaying unit into electricity; and a plurality of polarization elements arranged on a light entering side of at least one photoelectric-conversion unit of the plurality of photoelectric-conversion units.
    Type: Application
    Filed: February 25, 2021
    Publication date: August 26, 2021
    Inventors: Masashi Nakata, Tomohiro Yamazaki, Junichi Kanai, Yuichiro Baba
  • Publication number: 20210203204
    Abstract: Since the shape of the insulating paper is complicated, a forming and bending step of the insulating paper is required, and further there is a step of inserting the insulating paper in the middle of coil forming, which causes a problem of damaging the insulating paper. A fitting state of an insulating paper 201 into the inter-coil gap has an annular taper shape in which a diameter dimension D1 of an annular opening of the insulating paper 201 on a coil end tip side is long, and a diameter dimension d2 of an annular opening of the insulating paper 201 on a stator end face side on the opposite side is short. The insulating paper 201 is made to follow the tapered shape of the inter-coil gap 140 between an inner peripheral coil 120 and an outer peripheral coil 130, and the insulating paper 201 is fitted in a state inclined from the coil end tip side to the stator end face side with respect to an axial direction of the stator 20.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 1, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Kenji NAKAYAMA, Ryoji KOBAYASHI, Yuichiro BABA
  • Patent number: 10971977
    Abstract: Provided is a stator for a rotary electric machine which can suppress the mechanical effects of thermal expansion and contraction of a fixing member for fixing a temperature detector, on a temperature detection element. The stator for a rotary electric machine includes a stator coil, a temperature detection unit including a temperature detection element, a protection member extending in a longitudinal direction to cover the temperature detection unit, and a fixing member serving as a positioning mechanism for the temperature detection unit with respect to a stator coil. The fixing member includes a clamp portion for fixing the protection member, and the clamp portion clamps the protection member at a position where the clamp portion does not overlap the temperature detection element in a longitudinal direction of the protection member.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: April 6, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Yuichiro Baba, Taku Ito