Patents by Inventor Akinori Matsumoto

Akinori Matsumoto 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).

  • Patent number: 11921444
    Abstract: A belt unit, for use in an image forming apparatus, includes an endless belt that moves in a movement direction, a transfer member, a collecting member, a storage container, and a conveyance member. The conveyance member conveys toner in a conveyance direction, rotates about a rotational axis extending in a rotational axis direction, includes a shaft and a conveyance portion provided on a shaft outer surface, and has a helical shape having a helical axis extending in the rotational axis direction. The conveyance member further includes a protruding portion protruding from the shaft outer surface in a direction crossing the conveyance member rotational axis, which has a shape different from the helical shape, and which is provided on a shaft portion downstream of the conveyance portion in the conveyance direction. The rotational axis direction is a direction crossing both the endless belt movement direction and a transfer member longitudinal direction.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: March 5, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Norihiro Matsumoto, Yuichiro Inaba, Akinori Mitsumata
  • Patent number: 11719408
    Abstract: A vehicle headlamp includes a shade that shields a part of light emitted from a light source. A predetermined end edge of the shade serves as a cut line forming portion that forms a cut line of a light distribution pattern and the shade is provided with a dimming portion positioned behind the cut line forming portion. The cut line forming portion and the dimming portion form a low-brightness portion having a lower brightness than that of other portions in a part of the light distribution pattern. A portion of the shade including the cut line forming portion is provided as a flat plate-shaped functional surface portion and at least the functional surface portion is tilted backward and downward.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: August 8, 2023
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Taishi Honmiya, Yusuke Mochizuki, Akinori Matsumoto
  • Publication number: 20230046360
    Abstract: A vehicle headlamp includes a shade that shields a part of light emitted from a light source. A predetermined end edge of the shade serves as a cut line forming portion that forms a cut line of a light distribution pattern and the shade is provided with a dimming portion positioned behind the cut line forming portion. The cut line forming portion and the dimming portion form a low-brightness portion having a lower brightness than that of other portions in a part of the light distribution pattern. A portion of the shade including the cut line forming portion is provided as a flat plate-shaped functional surface portion and at least the functional surface portion is tilted backward and downward.
    Type: Application
    Filed: December 7, 2020
    Publication date: February 16, 2023
    Inventors: Taishi HONMIYA, Yusuke MOCHIZUKI, Akinori MATSUMOTO
  • Patent number: 11572998
    Abstract: A vehicle lamp includes a lamp unit which in turn includes a first lamp unit and a second lamp unit each provided with a light transmitting member and is configured to irradiate light emitted from a light emitting element toward a front of the vehicle lamp through the light transmitting member. In each of the first and second lamp units, the light transmitting member includes a direct light controller that directly emits light incident from the light emitting element onto the light transmitting member, toward the front of the vehicle lamp, and a total reflection controller that totally reflects the light and then emits the light toward the front of the vehicle lamp. A total reflection surface of the total reflection controller is divided into a plurality of reflection regions in a circumferential direction around the direct light controller.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: February 7, 2023
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventor: Akinori Matsumoto
  • Publication number: 20220178511
    Abstract: A vehicle lamp includes a lamp unit which in turn includes a first lamp unit and a second lamp unit each provided with a light transmitting member and is configured to irradiate light emitted from a light emitting element toward a front of the vehicle lamp through the light transmitting member. In each of the first and second lamp units, the light transmitting member includes a direct light controller that directly emits light incident from the light emitting element onto the light transmitting member, toward the front of the vehicle lamp, and a total reflection controller that totally reflects the light and then emits the light toward the front of the vehicle lamp. A total reflection surface of the total reflection controller is divided into a plurality of reflection regions in a circumferential direction around the direct light controller.
    Type: Application
    Filed: March 26, 2020
    Publication date: June 9, 2022
    Inventor: Akinori MATSUMOTO
  • Patent number: 11333743
    Abstract: A translucent cover (1012) defines a lamp chamber (1013) together with a housing (1011) while forming a portion of an outer face of a vehicle. A LiDAR sensor (1161) is disposed in the lamp chamber (1013) to detect external information of the vehicle. A half mirror (1162) is disposed in the lamp chamber (1013) so as to cover the LiDAR sensor (1161) from a side where the translucent cover (1162) is disposed. The translucent cover (1012) has a first transparency to visible light. The half mirror (1162) has a second transparency to the visible light that is lower than the first transparency.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: May 17, 2022
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Takashi Hori, Norimasa Yamamoto, Akitaka Kanamori, Akinori Matsumoto, Teruaki Yamamoto, Minami Katagiri, Yoshiaki Fushimi, Naoki Takii, Yasuyuki Kato
  • Publication number: 20210403015
    Abstract: A vehicle system is provided in a vehicle that is capable of running in an autonomous driving mode. The vehicle system includes: a sensor configured to acquire detection data indicating a surrounding environment of the vehicle; a generator configured to generate surrounding environment information indicating a surrounding environment of the vehicle, based on the detection data; and a use frequency setting module configured to set a use frequency for the sensor, based on predetermined information related to the vehicle or surrounding environment of the vehicle.
    Type: Application
    Filed: June 14, 2018
    Publication date: December 30, 2021
    Applicant: KOITO MANUFACTURING CO., LTD
    Inventors: Yasuyuki KATO, Akinori MATSUMOTO, Akitaka KANAMORI, Teruaki YAMAMOTO, Yoshiaki FUSHIMI
  • Patent number: 11134898
    Abstract: In the electronic apparatus, a contact impedance compensation controller calculates a first compensation value and a second compensation value so that a resulting value obtained by adding a third resistance value between a measuring electrode and first skin to a first resistance value is equal to a resulting value obtained by adding a fourth resistance value between a reference electrode and second skin to a second resistance value, determines first information on the basis of the first compensation value, determines the second information on the basis of the second compensation value, and sends the first information to the first compensation circuit.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: October 5, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Akinori Matsumoto, Koji Morikawa
  • Patent number: 11092744
    Abstract: A three-dimensional surface display device that includes a plurality of light-emitting elements that are mounted on a mounting member is disclosed. The three-dimensional surface display device includes a plurality of light guide portions, each of which includes a light incidence surface on one end side and a light extraction surface on the other end side. The light incidence surface is arranged to face the corresponding light emitting element. The plurality of light guide portions are different in at least one length, and the light extraction surfaces are arranged three-dimensionally adjacent to each other.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: August 17, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Ryuho Sato, Akinori Matsumoto, Haruhiko Iyoda, Hiroya Koizumi
  • Patent number: 11092308
    Abstract: A light emitting element, a reflector, a projection lens, and a movable shade are arranged in a lamp chamber. As the movable shade is erected, a low beam is formed. As the movable shade is tilted, a travelling beam is formed. The reflector and a sub reflector are integrally formed. The movable reflector reflects the reflected light reflected by the sub reflector toward the projection lens. The sub reflector is positioned in a range of an outer shape of the projection lens.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: August 17, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Akinori Matsumoto, Kazuma Mochizuki, Yoshiyuki Nakanishi, Teppei Muramatsu
  • Publication number: 20210129740
    Abstract: A vehicle lighting system is provided in a vehicle capable of traveling in an automated driving mode, and includes: a lighting unit configured to form a light distribution pattern by emitting light toward the outside of the vehicle; and a lighting control unit configured to change the brightness of the light distribution pattern according to a driving mode of the vehicle.
    Type: Application
    Filed: June 14, 2018
    Publication date: May 6, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Yasuyuki KATO, Akinori MATSUMOTO, Akitaka KANAMORI, Teruaki YAMAMOTO, Yoshiaki FUSHIMI
  • Patent number: 10953842
    Abstract: A gas generator includes an elongated cylindrical housing, an accommodation chamber defining member arranged in the housing, a gas generating agent, and an autoignition agent. The accommodation chamber defining member includes a cylindrical portion which extends in a direction in parallel to an axial direction of the housing and accommodates the gas generating agent therein. A heat insulating layer is located between the housing and the cylindrical portion. The autoignition agent is arranged in a portion inside the housing in the axial direction of the housing where no heat insulating layer is provided, as being in contact with the housing with a member made of a metal being interposed.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: March 23, 2021
    Assignee: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Takahiro Imai, Genya Iizuka, Akinori Matsumoto, Masaki Hiraoka, Syouichi Ashida
  • Publication number: 20200367776
    Abstract: A biosignal measurement device includes: a first chopper amplifier circuit that receives a biosignal detected by a measurement electrode contacting a living body, and is chopper-controlled based on a first control signal; and a controller that selectively performs one of a biosignal measurement mode operation for outputting the first control signal having a first frequency to the first chopper amplifier circuit and a test mode operation for outputting the first control signal having a different frequency from the first frequency to the first chopper amplifier circuit.
    Type: Application
    Filed: January 23, 2019
    Publication date: November 26, 2020
    Inventor: Akinori MATSUMOTO
  • Publication number: 20200315486
    Abstract: An electroencephalogram measurement system includes an acquisition unit, an impedance measurement unit, and an output unit. The acquisition unit acquires electroencephalogram information representing an electroencephalogram obtained by an electrode unit that is placed on a region of interest forming part of a subject's head. The impedance measurement unit measures an impedance value between the electrode unit and the subject's body in an acquisition mode in which the acquisition unit acquires the electroencephalogram information. The output unit outputs the impedance value measured.
    Type: Application
    Filed: October 19, 2018
    Publication date: October 8, 2020
    Inventors: Akio HIRATA, Akinori MATSUMOTO, Koji MORIKAWA
  • Publication number: 20200245874
    Abstract: ECG signal processor includes: a signal processing circuit configured to amplify an ECG signal detected by an electrode attached to a living body and output the ECG signal amplified; and a common-mode signal generation circuit configured to generate a common-mode signal for increasing an amplitude of a peak of the ECG waveform indicated by the ECG signal using the ECG signal amplified by the signal processing circuit and apply the common-mode signal generated to the electrode.
    Type: Application
    Filed: May 29, 2018
    Publication date: August 6, 2020
    Inventor: Akinori MATSUMOTO
  • Patent number: 10731824
    Abstract: A vehicular lamp includes a first light source that emits light for forming a first distribution pattern, a second light source that emits light for forming a second distribution pattern that is added to the first distribution pattern, and a light guide member disposed in front of the first light source. The light guide member includes a first incidence surface on which the light emitted from the first light source is incident, a total reflection surface by which a part of the light incident from the first incidence surface is totally reflected, and a first emission surface from which the light totally reflected by the total reflection surface is emitted toward the lamp front. A part of the light emitted from the second light source passes through the total reflection surface and the light guide member and is emitted from the first emission surface toward the lamp front.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 4, 2020
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Hiroki Kawai, Kenichi Takada, Kazutoshi Sakurai, Shuhei Nozue, Akira Hanada, Akinori Matsumoto, Shinji Kagiyama, Takahiko Honda
  • Publication number: 20200174100
    Abstract: A translucent cover (1012) defines a lamp chamber (1013) together with a housing (1011) while forming a portion of an outer face of a vehicle. A LiDAR sensor (1161) is disposed in the lamp chamber (1013) to detect external information of the vehicle. A half mirror (1162) is disposed in the lamp chamber (1013) so as to cover the LiDAR sensor (1161) from a side where the translucent cover (1162) is disposed. The translucent cover (1012) has a first transparency to visible light. The half mirror (1162) has a second transparency to the visible light that is lower than the first transparency.
    Type: Application
    Filed: June 19, 2018
    Publication date: June 4, 2020
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Takashi HORI, Norimasa YAMAMOTO, Akitaka KANAMORI, Akinori MATSUMOTO, Teruaki YAMAMOTO, Minami KATAGIRI, Yoshiaki FUSHIMI, Naoki TAKII, Yasuyuki KATO
  • Patent number: 10655808
    Abstract: A vehicle lamp includes a projection lens, a first light source disposed behind the projection lens and configured to emit light forming a low-beam light distribution pattern which is a predetermined light distribution pattern, a reflector configured to reflect light emitted from the first light source toward a first rear focal point of the projection lens, and a second array light source disposed behind the projection lens and having a plurality of semiconductor light emitting elements arranged in at least one row. The second array light source is configured to emit light forming an additional light distribution pattern, and the center position or maximum light intensity position of the additional light distribution pattern overlaps with the low-beam light distribution pattern on a virtual vertical screen in front of the lamp.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: May 19, 2020
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Kenichi Takada, Tatsuma Kitazawa, Hiroki Kawai, Teruaki Yamamoto, Akira Hanada, Kenta Oishi, Akinori Matsumoto
  • Patent number: 10654406
    Abstract: A vehicle illumination system provided to a vehicle capable of traveling in an autonomous driving mode includes: an illumination unit configured to emit a light pattern toward an outside of the vehicle; and an illumination controller configured to control the illumination unit to irradiate the light pattern to a predetermined position. When the vehicle changes a traffic lane from a first traffic lane to a second traffic lane, the illumination controller: controls the illumination unit to irradiate the light pattern on a road surface between a first other vehicle traveling on the second traffic lane and a second other vehicle which is a following vehicle of the first other vehicle; and changes a length of the light pattern, depending on an interval between the first other vehicle and the second other vehicle.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: May 19, 2020
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Norihisa Sutou, Masaaki Nakabayashi, Yoshinori Shibata, Ryuho Sato, Naoki Tatara, Akinori Matsumoto, Kiyomi Akachi
  • Patent number: 10641451
    Abstract: A vehicle lamp configured to selectively perform a low-beam irradiation and a high-beam irradiation includes a projector lens, a light emitting element disposed behind the projector lens and configured to emit light for forming a low-beam light distribution pattern, a light emitting element disposed behind the projector lens and configured to emit light for forming an additional high-beam light distribution pattern, a upward reflecting surface (shade) disposed behind the projector lens and configured to form a cutoff line of the low-beam light distribution pattern, and an optical path change portion configured to change an optical path of a part of light emitted from the light emitting element so as to travel toward a portion between the low-beam light distribution pattern and the additional high-beam light distribution pattern.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: May 5, 2020
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Hiroki Kawai, Takahiko Honda, Shinji Kagiyama, Naoki Uchida, Ryuho Sato, Akinori Matsumoto, Hiroyuki Ishida, Takashi Inoue