Patents by Inventor Minoru Kuroda

Minoru Kuroda 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: 20220376594
    Abstract: A small DC motor includes a motor frame having a cylindrical portion, the cylindrical portion having a constant thickness and having a cross section in a shape that comprises four sides and connecting portions, each of the connecting portions connecting adjacent two of the four sides and being located inward from a corresponding corner in a quadrangle comprising the four sides; and a magnet having a circumferential surface on an inside thereof and having conformable contact with the motor frame on an outside thereof.
    Type: Application
    Filed: August 3, 2022
    Publication date: November 24, 2022
    Inventor: Minoru KURODA
  • Publication number: 20220360149
    Abstract: A motor includes a commutator, a bracket including a conductive brush, first and second wall parts, and first and second deformable parts. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The second wall part includes a second surface extending along a second surface of the conductive brush located on a side opposite the first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part, and is deformable in response to movement of the conductive brush. The second deformable part is in contact with both the second surface of the conductive brush and the second surface of the second wall part, and is deformable in response to movement of the conductive brush.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 10, 2022
    Inventors: Koichiro HIRABAYASHI, Akiko IKUTA, Yukimasa MATSUMURA, Kazuaki SATO, Minoru KURODA, Bora IN
  • Patent number: 11444523
    Abstract: A small DC motor includes a motor frame having a cylindrical portion, the cylindrical portion having a constant thickness and having a cross section in a shape that comprises four sides and connecting portions, each of the connecting portions connecting adjacent two of the four sides and being located inward from a corresponding corner in a quadrangle comprising the four sides; and a magnet having a circumferential surface on an inside thereof and having conformable contact with the motor frame on an outside thereof.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: September 13, 2022
    Assignee: MINEBEA MITSUMI INC.
    Inventor: Minoru Kuroda
  • Patent number: 11437834
    Abstract: An apparatus according to one embodiment includes a positive and a negative electrode terminals; modules each including an assembled battery and a CMU, the assembled battery including cells, the CMU to detect a voltage and a temperature of the assembled battery; a main circuit for electrical connection between terminals of the modules and the positive and negative electrode terminals; a BMU to receive information about the voltage and the temperature from the respective CMU; a supply circuit to convert DC power from the main circuit and supply the converted power to the BMU; a breaker for interrupting the main circuit; and a circuit to block a current flowing through the main circuit in a direction of charging the modules, in response to a stop of a control signal from the BMU.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: September 6, 2022
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazuto Kuroda, Jun Takahashi, Yosuke Saeki, Ryo Okabe, Shinya Sato, Keita Nakata, Atsushi Inamura, Masahiro Sekino, Minoru Oota
  • Publication number: 20220278598
    Abstract: A motor 1 includes a shaft 2, a rotating body 6 fixed to the shaft 2, a first magnetic body 3 fixed to the shaft 2 and a stationary part including a second magnetic body 4, wherein one of the first magnetic body 3 and the second magnetic body 4 includes a magnet, and the first magnetic body 3 opposes the second magnetic body 4 over an entire circumference.
    Type: Application
    Filed: February 22, 2022
    Publication date: September 1, 2022
    Inventors: Hirofumi OHBA, Minoru KURODA, Hiroshi MIYAZAKO
  • Patent number: 11429044
    Abstract: A fixing apparatus includes a rotary member including a heat-generation layer with a plurality of rings, a temperature detecting portion configured to detect a temperature of the rotary member, a conduction detecting unit configured to detect a conduction failure in an opposing ring that is one of the plurality of rings of the heat-generation layer and that opposes the temperature detecting portion, and a controller configured to control the supply of power to the magnetic field generator. The conduction detecting unit includes a first magnetic core, a second magnetic core, and a current detecting portion that includes a detection coil. A length of one of the first magnetic core and the second magnetic core around which the detection coil is wound is less than a length of another of the first magnetic core and the second magnetic core around which the detection coil is not wound.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: August 30, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takaaki Tsuruya, Yuki Nishizawa, Minoru Hayasaki, Aoji Isono, Akira Kuroda
  • Patent number: 11424663
    Abstract: A motor includes a commutator, a bracket including a conductive brush, first and second wall parts, and first and second deformable parts. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The second wall part includes a second surface extending along a second surface of the conductive brush located on a side opposite the first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part, and is deformable in response to movement of the conductive brush. The second deformable part is in contact with both the second surface of the conductive brush and the second surface of the second wall part, and is deformable in response to movement of the conductive brush.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: August 23, 2022
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Koichiro Hirabayashi, Akiko Ikuta, Yukimasa Matsumura, Kazuaki Sato, Minoru Kuroda, Bora In
  • Patent number: 11411456
    Abstract: A motor includes an armature including a commutator, a bracket including a conductive brush and a first wall part, and a first deformable part. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part. The first deformable part is deformable in response to movement of the conductive brush.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: August 9, 2022
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Koichiro Hirabayashi, Yukimasa Matsumura, Akiko Ikuta, Minoru Kuroda, Bora In, Kazuaki Sato
  • Publication number: 20220247293
    Abstract: A holder is used while attached to a chassis of a vibration generator that moves a vibrator to generate a vibration. The holder includes a vibrator retention unit retaining the vibrator, a fixed unit fixed to the chassis, and an arm. The arm connects the fixed unit and the vibrator retention unit, and the arm supports the vibrator retention unit while the vibrator retention unit can be displaced with respect to the fixed unit. The fixed unit, the arm, and the vibrator retention unit are integrally formed using resin.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 4, 2022
    Applicant: MINEBEA MITSUMI INC.
    Inventors: Minoru KURODA, Makoto TANAKA
  • Patent number: 11394086
    Abstract: A battery module including a plurality of battery cells, a first chassis, and a connection member. The battery cells are aligned in a first direction. The first chassis includes a plurality of first compartments in which the battery cells are housed one by one, and at least one second compartment that is partitioned in the first direction. The connection member includes a body that is housed in the second compartment, a pair of connection terminals that is mounted on a first face of the body and is electrically connectable to the electrodes of the battery cells via a conductive member. The first face faces in a second direction intersecting with the first direction, and a conductor that extends across the pair of connection terminals.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: July 19, 2022
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Masahito Morone, Hirofumi Yamamoto, Tatsumi Matsuo, Motohiro Itou, Shinya Sato, Kazuto Kuroda, Ryo Okabe, Norihiro Kaneko, Minoru Gyoda, Yuji Sasaki, Kota Asami, Nobuyasu Negishi
  • Patent number: 11336164
    Abstract: A holder is used while attached to a chassis of a vibration generator that moves a vibrator to generate a vibration. The holder includes a vibrator retention unit retaining the vibrator, a fixed unit fixed to the chassis, and an arm. The arm connects the fixed unit and the vibrator retention unit, and the arm supports the vibrator retention unit while the vibrator retention unit can be displaced with respect to the fixed unit. The fixed unit, the arm, and the vibrator retention unit are integrally formed using resin.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 17, 2022
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Minoru Kuroda, Makoto Tanaka
  • Publication number: 20220077741
    Abstract: An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Inventors: Hiroaki MOCHIZUKI, Minoru KURODA
  • Patent number: 11211842
    Abstract: An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: December 28, 2021
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Hiroaki Mochizuki, Minoru Kuroda
  • Publication number: 20210376672
    Abstract: A motor includes: a magnet including a plurality of magnetic poles; a plurality of slots opposing the magnet; a coil wound around each of the plurality of slots; a commutator including a plurality of segments; and a plurality of brushes, each of the plurality of brushes including a contact portion contacting two adjacent segments among the plurality of segments, wherein both ends of the coil are connected to the two segments among the plurality of segments, and another segment is arranged between the two segments, one ends of two adjacent coils are connected to one segment of the two segments, and a segment connected to one ends of two adjacent coils and the another segment between two segments connected to either coil different from the two adjacent coils have the same potential.
    Type: Application
    Filed: May 26, 2021
    Publication date: December 2, 2021
    Inventors: Minoru KURODA, Hirofumi OHBA
  • Patent number: 11165296
    Abstract: A motor includes a rotary shaft, an armature part, a frame including a tubular portion surrounding the armature part, and a plurality of magnets. The tubular portion is formed of a magnetic body. The tubular portion includes a plurality of flat parts and a plurality of curved parts. Each of the plurality of flat parts and each of the plurality of curved parts being alternately arranged in a peripheral direction. On an inner surface of the tubular portion in each of the plurality of curved parts, a plurality of magnetic poles are provided. A magnetic gap is provided in a radial direction, the magnetic gap being formed by the inner surface of the tubular portion in each of the plurality of flat parts and the armature part.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: November 2, 2021
    Assignee: MINEBEA MITSUMI INC.
    Inventor: Minoru Kuroda
  • Patent number: 10958124
    Abstract: A motor includes a rotor, a frame accommodating the rotor, a cover provided at one of two ends of the frame in a direction of a rotor axis, an internal space formed by the frame and the cover and a partition part partitioning the internal space into two spaces. The partition part includes an insertion portion. A part of the cover is inserted into the insertion portion.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: March 23, 2021
    Assignee: MINEBEA MITSUMI INC.
    Inventor: Minoru Kuroda
  • Patent number: 10903713
    Abstract: An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: January 26, 2021
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Hiroaki Mochizuki, Minoru Kuroda
  • Patent number: 10873235
    Abstract: A DC motor includes: a brush configured to be connectable with the commutator; a first terminal attached to the brush; a second terminal disposed at a position away from the first terminal, the second terminal being configured to be connectable with an external terminal; a bracket to which the first terminal and the second terminal are attached; and a positive temperature coefficient (PTC) thermistor disposed between the first terminal and the second terminal, the PTC thermistor including a first electrode bonded to the first terminal and a second electrode bonded to the second terminal, wherein the PTC thermistor is a surface-mount type thermistor in which the first electrode and the second electrode are exposed on one surface side and wherein, on the one surface side of the PTC thermistor, the first electrode faces the first terminal and the second electrode faces the second terminal.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: December 22, 2020
    Assignee: MINEBEA MITSUMI INC.
    Inventor: Minoru Kuroda
  • Publication number: 20200395813
    Abstract: To provide a rotary apparatus able to facilitate assembly of the rotary apparatus, and an attaching structure of the rotary apparatus. A rotary apparatus (1) includes a motor (10) having motor terminals (13), terminal members (21) and (22), a first housing (60), the terminal members (21) and (22) being attached to the first housing (60), and a second housing (40) having an accommodating part configured to accommodate the motor (10), the first housing (60) being attached to the second housing (40). The first housing (60) is attachable to or separable from the second housing (40) in a predetermined direction. The terminal members (21) and (22) are electrically connected to the motor terminals (13). The terminal members (21) and (22) have externally-connected terminal portions (33) and (34) to be connected to an external unit. The predetermined direction is a longitudinal direction of the externally-connected terminal portions (33) and (34).
    Type: Application
    Filed: February 18, 2019
    Publication date: December 17, 2020
    Inventor: Minoru KURODA
  • Patent number: 10790735
    Abstract: A holder is used while attached to a chassis of a vibration generator that moves a vibrator to generate a vibration. The holder includes a vibrator retention unit retaining the vibrator, a fixed unit fixed to the chassis, and an arm. The arm connects the fixed unit and the vibrator retention unit, and the arm supports the vibrator retention unit while the vibrator retention unit can be displaced with respect to the fixed unit. The fixed unit, the arm, and the vibrator retention unit are integrally formed using resin.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: September 29, 2020
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Minoru Kuroda, Makoto Tanaka