Patents by Inventor Masaya Inoue

Masaya Inoue 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: 20240099691
    Abstract: A pressing portion is disposed on an inner peripheral surface of a base member, and has a pressing surface against which a pressed portion of a light guide fiber is pressed, and the pressing portion is configured in such a manner that a body portion of the light guide fiber is disposed at a position away from a cable support portion in a direction perpendicular to a longitudinal axis direction by pressing the pressed portion against the pressing surface.
    Type: Application
    Filed: September 25, 2023
    Publication date: March 28, 2024
    Applicant: FUJIFILM Corporation
    Inventor: Masaya INOUE
  • Patent number: 11929649
    Abstract: The rotating electric machine includes: a rotor; and a stator, wherein the rotor includes: a rotor core having a magnet insertion hole group including a plurality of magnet insertion holes; and a permanent magnet group including a plurality of permanent magnets inserted in the plurality of magnet insertion holes of the magnet insertion hole group, respectively, wherein the plurality of magnet insertion holes are arranged side by side in a shape convex toward a center of the rotor from a radially-outer side surface of the rotor core, wherein the permanent magnet group forms one magnetic pole, wherein, in a part of the rotor core between the radially-outer side surface and the magnet insertion hole group, a magnetic slit is formed to extend in a shape convex toward the center of the rotor from the radially-outer side surface, and wherein the magnet insertion hole group includes three magnet insertion holes.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: March 12, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroshi Mitsuda, Yoshihiro Miyama, Masaya Inoue, Masashi Nakamura, Moriyuki Hazeyama
  • Patent number: 11894725
    Abstract: Provided is a rotating electric machine (100) including a stator (1) and a rotor (2). The rotor (2) includes a plurality of stages of rotor units (201 and 202) stacked in an axial direction. Each of the rotor units (201 and 202) includes a pair of permanent magnets (21) and slits (22a and 22b) arranged in one or more rows. The slits (22a and 22b) has an arc-like shape. Both ends of the arc-like shape are located on an outer periphery side of the rotor (2). When an angle formed between two straight lines that connect positions of both ends of the arc-like shape and a rotation axis center of the rotor (2) is defined as an arc angle, at least one of the arc angle of the slit (22a) and the number of rows of the slits is different between at least two rotor units (201 and 202).
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: February 6, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroshi Mitsuda, Yoshihiro Miyama, Moriyuki Hazeyama, Masaya Inoue, Masashi Nakamura
  • Publication number: 20230414079
    Abstract: An endoscope includes an insertion part to be inserted into a body, and first and second angle knobs that change a direction of a distal end of the insertion part. An angle knob attaching shaft is inserted into the first and second angle knobs. An angle knob locking member is engaged with a distal end of the angle knob attaching shaft via a pressing member. When the angle knob locking member is engaged with the angle knob attaching shaft, movement of the first and second angle knobs toward a distal end side of the angle knob attaching shaft is regulated.
    Type: Application
    Filed: September 14, 2023
    Publication date: December 28, 2023
    Applicant: FUJIFILM Corporation
    Inventor: Masaya INOUE
  • Publication number: 20230404368
    Abstract: An endoscope according to the embodiment of the present invention includes a bending operating member and an elevator operation lever that displaces an elevation angle of a treatment tool elevator for elevating a treatment tool provided in a distal end of an insertion part, the bending operating member and the elevator operation lever being attached to a body part of an operating part, in which the elevator operation lever includes a finger hook part inside which a rotational movement regulating member is provided, and by bringing the rotational movement regulating member and an outer peripheral surface of the body part of the operating part into contact with each other, rotational movement of the elevator operation lever is regulated.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Applicant: FUJIFILM Corporation
    Inventor: Masaya INOUE
  • Publication number: 20230404379
    Abstract: An endoscope according to the embodiment of the present invention includes an elevator operation lever that displaces an elevation angle of a treatment tool elevator for elevating a treatment tool provided in a distal end of an insertion part, the elevator operation lever including a coupling part coupled to a rotational movement member that moves rotationally about the same shaft as a rotational movement shaft of an angle knob, and being coupled to the rotational movement member as an engaging member is provided in any one of the rotational movement member or the coupling part and engages with an engaging hole provided in the other one of the rotational movement member or the coupling part.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Applicant: FUJIFILM Corporation
    Inventor: Masaya INOUE
  • Publication number: 20230393382
    Abstract: An endoscope includes first and second angle knobs that are connected to first and second wire pulling members which change a direction of a distal end of an insertion part, in which a rotational movement restricting member is attached instead of the first and second angle knobs before use. The rotational movement restricting member includes a first rotational movement restricting portion that is engaged with the first wire pulling member to restrict a rotational movement of the first wire pulling member and a second rotational movement restricting portion that is engaged with the second wire pulling member to restrict a rotational movement of the second wire pulling member.
    Type: Application
    Filed: August 15, 2023
    Publication date: December 7, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Masaya INOUE, Takashi HARADA
  • Publication number: 20230389780
    Abstract: An elevating base provided to be movable between an elevated position and a fallen position is provided at a distal end of an insertion part of the endoscope. As an elevating operation lever rotates in a first direction, the elevating operation lever causes the elevating base to move to the elevated position, and as the elevating operation lever rotates in a second direction, the elevating operation lever causes the elevating base to move to the fallen position. The elevating operation lever is coupled to a bearing member via a rotation ring. The rotation ring has a protrusion, and the bearing member has a plurality of holes and a rail to configure a locking mechanism.
    Type: Application
    Filed: August 15, 2023
    Publication date: December 7, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Masaya INOUE, Takashi HARADA
  • Publication number: 20230389785
    Abstract: A locking mechanism includes a locked member provided in an elevating operation lever and a spring member that applies a biasing force to the locked member. In a case where the elevating operation lever is not operated, the locked member is locked to a locking piece and the elevating operation lever is brought into a locked state, and in a case where the elevating operation lever is operated, a locked claw is separated from the locking piece by a lock release operation against the biasing force and the locked state of the elevating operation lever is released.
    Type: Application
    Filed: August 24, 2023
    Publication date: December 7, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Masaya INOUE, Takashi HARADA
  • Publication number: 20230380674
    Abstract: A distal end portion body is disposed at a distal end of an insertion part of the endoscope. In the distal end portion body, an imaging unit that is housed in an airtight or liquidtight state with respect to an external space and that is attachably and detachably held is provided. The distal end portion body includes a lens cover, an imaging unit housing portion in which the imaging unit is held, and a first opening portion and the imaging unit can be separated through the first opening portion in a case where the imaging unit held in the imaging unit housing portion is pulled to a proximal end side of the distal end portion body.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 30, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Takashi HARADA, Masaya INOUE
  • Patent number: 11757340
    Abstract: Provided is a rotating electric machine capable of reducing oscillations and noise generated in the rotating electric machine. The rotating electric machine includes a stator, a rotor, and a frame. The rotor includes: a rotor core; and a plurality of permanent magnets, and the rotor is divided into a plurality of blocks. The plurality of blocks include: a skew-angle-increasing pair of blocks; and a skew-angle-decreasing pair of blocks. The frame includes: a body portion configured to hold the stator; and a flange portion, which projects outward from the body portion, and the body portion has a thickness that changes from one end to another end of the body portion in an axial direction thereof.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: September 12, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Takashima, Masatsugu Nakano, Kosho Yamane, Masaya Inoue
  • Publication number: 20230200774
    Abstract: The ultrasonic endoscope includes: an elongated insertion part having a longitudinal axis and a distal end hard portion provided on a distal end side; an ultrasonic transducer that is provided in the distal end hard portion, and transmits and receives an ultrasonic wave; and a supply port that is provided in the distal end hard portion and supplies water into a balloon surrounding the ultrasonic transducer, in which an indicator indicating a position of the supply port in a peripheral direction around the longitudinal axis is provided on a proximal end side of the insertion part with respect to the distal end hard portion.
    Type: Application
    Filed: December 1, 2022
    Publication date: June 29, 2023
    Applicant: FUJIFILM Corporation
    Inventor: Masaya INOUE
  • Publication number: 20220385124
    Abstract: Provided is a rotating electric machine. This rotating electric machine includes a stator and a rotor, and the rotor includes: a rotor core having formed therein a magnet insertion hole group; and a permanent magnet group. In the rotor core, a first magnetic slit and a second magnetic slit are formed. In the second magnetic slit, a first magnet magnetic flux guide path connecting a first q-axis magnetic path and a second q-axis magnetic path is arranged. When an angle between a straight line passing through a first intersecting point and a radial center point and a straight line passing through a second intersecting point and the radial center point is set as ?1, the number of pole pairs is set as P, a natural number is set as m1, and n1 is set as a natural number smaller than m1, the following expression: ?1=2?×n1÷{P×(2m1?1)} [rad] is satisfied.
    Type: Application
    Filed: November 13, 2019
    Publication date: December 1, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroshi MITSUDA, Yoshihiro MIYAMA, Moriyuki HAZEYAMA, Masaya INOUE, Masashi NAKAMURA
  • Publication number: 20220344981
    Abstract: A laminated core for an electric machine includes a plurality of laminated core pieces. Each of the plurality of core pieces includes a first portion and a second portion having a plate thickness smaller than a plate thickness of the first portion.
    Type: Application
    Filed: January 21, 2020
    Publication date: October 27, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takayuki ONIHASHI, Koki NAKA, Hiroki DAITO, Kenji FUKUI, Akira WATARAI, Masaya INOUE
  • Patent number: 11435238
    Abstract: A temperature detection device includes: a detection processing unit configured to transmit a transmission radio wave, simultaneously receive a response radio wave corresponding to the transmission radio wave, and detect whether a temperature of an object to be measured is normal or abnormal based on the response radio wave; and a temperature sensing unit configured to receive the transmission radio wave and transmit the response radio wave responding to the transmission radio wave. The detection processing unit calculates, from the response radio wave received via a second antenna, an amplitude, a phase, or a quadrature phase amplitude of the response radio wave and compares the temperature of the object to be measured to a temperature determined in advance based on a result of the calculation.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: September 6, 2022
    Assignee: Mitsubishi Electric Cornoration
    Inventors: Kenzo Makino, Hideaki Arita, Masaya Inoue, Junji Hori, Hiroshi Araki, Yoshitsugu Sawa, Wataru Tsujita
  • Patent number: 11408721
    Abstract: A rotation angle detection device, including: a rotor; a stator including one bias magnetic field generation portion (BMFGP) and magnetic detection elements; and a rotation angle calculation processor calculating a rotation angle of the rotor from detection signals of the detection elements, wherein a surface of the rotor has convex and concave portions (CCPs), which change in “x” (“x”?1) cycles for a mechanical angle of 360, and a shape of the CCPs make the detection elements possible to obtain a sine wave, and wherein “a” (“a”?2) detection elements are arranged along a circumferential direction of the stator at equal intervals for one cycle of the CCPs—so as to be opposed to the surface of the rotor, and the BMFGP extends in the circumferential direction for one cycle of the CCPs so as to overlap with the “a” detection elements.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: August 9, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koji Nishizawa, Yoshihiro Miyama, Tatsuo Nishimura, Hideaki Arita, Masaya Inoue
  • Patent number: 11411454
    Abstract: In a rotary electric machine, each of coils includes coil terminals led out from a coil main body. The coil terminals are connected to bus bars. When a diameter of each of the bus bars is defined as D, a diameter of a cross section of a coil wire is defined as “d”, a Young's modulus of the coil wire is defined as E, a linear expansion coefficient of a material of the bus bars is defined as ?1, a linear expansion coefficient of a material of a stator core is defined as ?2, and an estimated temperature difference between a room temperature and a use environment temperature is defined as ?T, a length L of at least one of the coil terminals from an end on the coil main body side to a connecting portion to the bus bar satisfies the following expression: L?((3?dED(?1??2)?T/10)1/2/10.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: August 9, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Ryuichi Kitora, Masaya Inoue, Ryuji Kitamura, Kota Katsuragi
  • Patent number: 11404922
    Abstract: According to the present invention, provided is a rotary electric machine, which is to be connected to at least one of a first torque input/output shaft and a second torque input/output shaft, and includes a stator and a rotor. The rotor of the rotary electric machine includes: a rotor core; a torque transmitting portion, which is connected to at least one of the first torque input/output shaft and the second torque input/output shaft, and is formed of a plate-shaped member; and a rotor core retaining portion, which is retained on the torque transmitting portion, is configured to retain the rotor core, and is formed of a plate-shaped member.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: August 2, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kazuyuki Iwamoto, Motoaki Kimura, Masaya Inoue
  • Publication number: 20210344241
    Abstract: The rotating electric machine includes: a rotor; and a stator, wherein the rotor includes: a rotor core having a magnet insertion hole group including a plurality of magnet insertion holes; and a permanent magnet group including a plurality of permanent magnets inserted in the plurality of magnet insertion holes of the magnet insertion hole group, respectively, wherein the plurality of magnet insertion holes are arranged side by side in a shape convex toward a center of the rotor from a radially-outer side surface of the rotor core, wherein the permanent magnet group forms one magnetic pole, wherein, in a part of the rotor core between the radially-outer side surface and the magnet insertion hole group, a magnetic slit is formed to extend in a shape convex toward the center of the rotor from the radially-outer side surface, and wherein the magnet insertion hole group includes three magnet insertion holes.
    Type: Application
    Filed: June 28, 2019
    Publication date: November 4, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroshi MITSUDA, Yoshihiro MIYAMA, Masaya INOUE, Masashi NAKAMURA, Moriyuki HAZEYAMA
  • Patent number: 11165306
    Abstract: A rotating electrical machine includes: an oil reception part that has an opening opposed to an injection hole designed to inject ATF into the atmospheric pressure inside a housing; and an oil reservoir that communicates with the oil reception part via a communicating hole provided in a wall part and communicates with a rotor cooling oil channel of a shaft via a cooling oil lead-in hole provided in the wall part. Since ATF having flowed out of the oil reception part flows along an inner face of the wall part of a second housing by gravity and reaches a bearing, one ATF supply route can be used both for cooling a rotor and lubricating a bearing, whereby the ATF supply route can be simplified.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: November 2, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Manabu Yoshinori, Masaya Inoue, Yoshiaki Kitta