Patents by Inventor Takashi Shimizu

Takashi Shimizu 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: 20230024906
    Abstract: A radio communication apparatus includes: a first radio device; a second radio device; and an operation unit, in which: in the first radio device, at least one of a plurality of channels usable by the first radio device is defined as a first priority channel, the first priority channel being a channel on which a radio wave is preferentially detected; and when a signal is transmitted on a channel other than the first priority channel in response to an operation performed on the first radio device based on an input from the user received through the operation unit, channel information indicating the first priority channel is transmitted to the second radio device, and the second radio device starts detecting a radio wave on the channel indicated by the channel information.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 26, 2023
    Inventors: Takashi SHIMIZU, Eiichi Hosono
  • Publication number: 20230020065
    Abstract: An image forming apparatus includes a photosensitive drum, a developing device configured to supply toner onto the photosensitive drum, a transfer device configured to transfer the toner supplied onto the photosensitive drum onto a sheet, a spraying device configured to spray a fixing liquid toward the sheet onto which the toner has been transferred, the spraying device including a housing configured to accommodate the fixing liquid and nozzles configured to spray the fixing liquid inside the housing, and a collecting device configured to collect the fixing liquid sprayed from the nozzles and did not adhere to the sheet. The collecting device includes a collection tray configured to accommodate the fixing liquid, a collection pipe connected to the collection tray and configured to allow the fixing liquid in the collection tray to pass therethrough, and a collection pump configured to send the fixing liquid in the collection pipe toward the housing.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Masataka KAMIYA, Yutaka KAKIGAHARA, Satoshi MURATA, Takashi SHIMIZU, Koya MORIMOTO, Masamitsu TAKAHASHI
  • Publication number: 20230003283
    Abstract: A developing device may include an auger or an agitator that is capable of supplying toner in a toner accommodation chamber to a developing chamber and is rotatable about an auger axis extending in an axial direction, a transporting gear that is rotatable together with the auger or the agitator, and a moving gear that is in mesh with a coupling gear and is rotatable both counterclockwise and clockwise. The moving gear is movable while being in mesh with the coupling gear between a first position where the moving gear is in mesh with the transporting gear and a second position where the moving gear is out of mesh with the transporting gear. The moving gear moves to the first position when the coupling gear rotates counterclockwise and to the second position when the coupling gear rotates clockwise.
    Type: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takashi SHIMIZU, Yasuo FUKAMACHI, Keita SHIMIZU, Kazutoshi NAKAMURA
  • Publication number: 20220393973
    Abstract: A communication control apparatus that implements at least some functions in flow control of a software defined network (SDN) by hardware, the communication control apparatus includes a processor. The configured to set, when a packet of a flow that is not registered in transfer control information is detected when a plurality of packets that constitutes a flow is transferred, a destination resolution standby state for the flow in the transfer control information, store, into an evaluation queue, at least some of packets received in the destination resolution standby state, stop a pipeline that processes a packet to be transferred after destination resolution for the flow, output a packet that belongs to the flow and is stored in the evacuation queue, and operate the pipeline after the output of the packet stored in the evacuation queue is completed.
    Type: Application
    Filed: February 23, 2022
    Publication date: December 8, 2022
    Applicant: FUJITSU LIMITED
    Inventor: Takashi Shimizu
  • Publication number: 20220357701
    Abstract: A developing cartridge includes a developing electrode and a supply electrode. The developing electrode includes a first electrical contact in contact with a developing roller shaft, and a second electrical contact positioned closer to the developing roller shaft than a second agitator gear is to the developing roller shaft. The second electrical contact is positioned farther from the developing roller shaft than the first electrical contact is from the developing roller shaft. The supply electrode includes a first electrical contact in contact with the supply roller shaft, and a second electrical contact positioned closer to the developing roller shaft than the second agitator gear is to the developing roller shaft. The second electrical contact of the supply electrode is positioned farther from the developing roller shaft than the second electrical contact of the developing electrode is from the developing roller shaft.
    Type: Application
    Filed: July 21, 2022
    Publication date: November 10, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Keita SHIMIZU, Tomoya ICHIKAWA, Takashi SHIMIZU, Kazuna TAGUCHI
  • Patent number: 11474473
    Abstract: An image forming apparatus includes: a casing having an opening; a developing cartridge configured to accommodate toner therein; and a drum cartridge to which the developing cartridge is attachable. The drum cartridge is attachable to the casing through the opening in a state where the developing cartridge is attached to the drum cartridge. The drum cartridge includes: a photosensitive drum; a drum frame; a charge roller; a cleaning blade configured to clean a circumferential surface of the photosensitive drum; a waste toner collecting unit having an internal space allowing waste toner removed from the circumferential surface of the photosensitive drum by the cleaning blade to be collected therein; a waste toner accumulating unit having an internal space allowing the waste toner to be accumulated therein; and a waste toner conveying unit configured to convey the waste toner from the waste toner collecting unit to the waste toner accumulating unit.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: October 18, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Masaaki Furukawa, Takashi Shimizu, Shinya Kusuda, Tomitake Aratachi, Yasuo Fukamachi, Keita Shimizu, Kazutoshi Nakamura, Kouichi Sugimoto
  • Publication number: 20220326635
    Abstract: An image forming apparatus, including: a photoconductor; a developing device; a developer storage; a supplier configured to supply developer; an optical sensor; and a controller configured to execute: a developing process of developing an electrostatic latent image on the photoconductor; a usage-amount obtaining process of obtaining a usage amount of the developer; a supplying process of supplying the developer to the developing device every time when the obtained usage amount becomes equal to or greater than a first threshold; and a detecting process of detecting, by the optical sensor, an amount of the developer in the developing device every time when the obtained usage amount becomes equal to or greater than a second threshold larger than the first threshold, and wherein the controller is configured to execute the detecting process in a period different from a period in which the developing process is being executed.
    Type: Application
    Filed: May 5, 2022
    Publication date: October 13, 2022
    Inventors: Takashi Suzuki, Kazuma Hinoue, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa
  • Patent number: 11448289
    Abstract: A developing device may include an auger or an agitator that is capable of supplying toner in a toner accommodation chamber to a developing chamber and is rotatable about an auger axis extending in an axial direction, a transporting gear that is rotatable together with the auger or the agitator, and a moving gear that is in mesh with a coupling gear and is rotatable both counterclockwise and clockwise. The moving gear is movable while being in mesh with the coupling gear between a first position where the moving gear is in mesh with the transporting gear and a second position where the moving gear is out of mesh with the transporting gear. The moving gear moves to the first position when the coupling gear rotates counterclockwise and to the second position when the coupling gear rotates clockwise.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: September 20, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takashi Shimizu, Yasuo Fukamachi, Keita Shimizu, Kazutoshi Nakamura
  • Publication number: 20220291616
    Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 15, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tomoyasu YABUKI, Yoshifumi KAJIKAWA, Takashi SUZUKI, Takashi YASUDA, Takashi SHIMIZU
  • Patent number: 11422501
    Abstract: A drum cartridge includes: a drum frame to which a developing cartridge including a storage medium having an electrical contact surface is detachably attachable; a photosensitive drum; a transfer roller; and a conveying roller. The drum is rotatable about a first axis extending in a first direction and positioned at one end portion of the frame in a second direction. The transfer roller is rotatable about a second axis extending in the first direction and in contact with the drum. The conveying roller is rotatable about a third axis extending in the first direction and separated from the transfer roller in the second direction. A first opening of the frame is positioned between the transfer roller and the conveying roller in the second direction. The electrical contact surface is exposed to an outside through the first opening in a case where the developing cartridge is attached to the frame.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: August 23, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takashi Shimizu, Koji Abe
  • Patent number: 11422502
    Abstract: A drum cartridge includes: a drum frame to which a developing cartridge including a storage medium having an electrical contact surface is detachably attachable; a photosensitive drum; a transfer roller; and a conveying roller. The drum is rotatable about a first axis extending in a first direction and positioned at one end portion of the frame in a second direction. The transfer roller is rotatable about a second axis extending in the first direction and in contact with the drum. The conveying roller is rotatable about a third axis extending in the first direction and separated from the transfer roller in the second direction. A first opening of the frame is positioned between the transfer roller and the conveying roller in the second direction. The electrical contact surface is exposed to an outside through the first opening in a case where the developing cartridge is attached to the frame.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: August 23, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takashi Shimizu, Koji Abe
  • Publication number: 20220260951
    Abstract: A drum cartridge includes: a drum frame to which a developing cartridge including a storage medium having an electrical contact surface is detachably attachable; a photosensitive drum; a transfer roller; and a conveying roller. The drum is rotatable about a first axis extending in a first direction and positioned at one end portion of the frame in a second direction. The transfer roller is rotatable about a second axis extending in the first direction and in contact with the drum. The conveying roller is rotatable about a third axis extending in the first direction and separated from the transfer roller in the second direction. A first opening of the frame is positioned between the transfer roller and the conveying roller in the second direction. The electrical contact surface is exposed to an outside through the first opening in a case where the developing cartridge is attached to the frame.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 18, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takashi SHIMIZU, Koji ABE
  • Patent number: 11415933
    Abstract: A developing cartridge includes a developing electrode and a supply electrode. The developing electrode includes a first electrical contact in contact with a developing roller shaft, and a second electrical contact positioned closer to the developing roller shaft than a second agitator gear is to the developing roller shaft. The second electrical contact is positioned farther from the developing roller shaft than the first electrical contact is from the developing roller shaft. The supply electrode includes a first electrical contact in contact with the supply roller shaft, and a second electrical contact positioned closer to the developing roller shaft than the second agitator gear is to the developing roller shaft. The second electrical contact of the supply electrode is positioned farther from the developing roller shaft than the second electrical contact of the developing electrode is from the developing roller shaft.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: August 16, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Keita Shimizu, Tomoya Ichikawa, Takashi Shimizu, Kazuna Taguchi
  • Publication number: 20220246594
    Abstract: A light emitter board includes a substrate such as a glass substrate, a resin insulating layer as a first insulating layer on the substrate, a light shield layer as a second insulating layer on the resin insulating layer, an opening portion in the light shield layer, a mount located on a part of the resin insulating layer exposed in the opening portion and receiving a light emitter, and the light emitter on the mount. The mount includes a protrusion on the part of the resin insulating layer. The light emitter on the mount has an upper surface located above an upper surface of the light shield layer.
    Type: Application
    Filed: May 26, 2020
    Publication date: August 4, 2022
    Inventors: Takashi SHIMIZU, Hiroaki ITO
  • Patent number: 11402782
    Abstract: An image forming apparatus, including: a housing; a photoconductor; a developing unit configured to form a developer image on the photoconductor; a developer cartridge storing developer, the cartridge being removably mountable on the housing, a supplier configured to supply the developer from the developer cartridge to the developing unit; and a controller configured to execute a first printing process of forming a developer image by use of the developer supplied from the developer cartridge, when the developer cartridge is being mounted on the housing, and a second printing process of forming a developer image by use of the developer remaining in the developing unit, when a usage amount of the developing unit is not less than a predetermined value and the developer cartridge is not being mounted on the housing, wherein the controller does not execute the second printing process when the usage amount is less than the predetermined value.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: August 2, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tomoyasu Yabuki, Yoshifumi Kajikawa, Takashi Suzuki, Takashi Yasuda, Takashi Shimizu
  • Patent number: 11395324
    Abstract: This invention provides a radio communication method in a radio communication system including a base station apparatus and a radio signal processing apparatus for communicating with the base station apparatus, the radio communication method including granting radio control information that includes at least information specifying a radio scheme to be used as a parameter required for radio communication, to a packet and transmitting the packet from which the radio control information has been removed, by the radio scheme specified by the radio control information granted to the packet.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: July 19, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya, Takashi Shimizu
  • Publication number: 20220224641
    Abstract: An information processing method includes: receiving a request for search with respect to a memory circuit that searches for information stored in a memory, issued from a requester; storing order information in which the request is issued; determining whether or not to make the memory circuit perform search on the basis of a predetermined requirement not to make the memory circuit perform search and the request; creating a predetermined response in a case where the memory circuit is not made to perform search; and returning a response of the memory circuit and the predetermined response to the requester in the issued order on the basis of the order information.
    Type: Application
    Filed: September 27, 2021
    Publication date: July 14, 2022
    Applicant: FUJITSU LIMITED
    Inventor: Takashi Shimizu
  • Publication number: 20220201466
    Abstract: When a mobile wireless terminal device and a portable wireless terminal device perform wireless communication according to a second wireless communication scheme, the portable wireless terminal device receives a touch parameter from the mobile wireless terminal device. When the touch parameter does not indicate “touched”, the mobile wireless terminal device activates wireless communication according to a first wireless communication scheme, and the portable wireless terminal device suspends wireless communication according to the first wireless communication scheme. When the touch parameter indicates “touched”, the mobile wireless terminal device activates wireless communication according to the first wireless communication scheme, and the portable wireless terminal device activates wireless communication according to the first wireless communication scheme.
    Type: Application
    Filed: November 3, 2021
    Publication date: June 23, 2022
    Inventors: Eiichi HOSONO, Takashi SHIMIZU
  • Publication number: 20220199879
    Abstract: A micro-LED board includes a substrate, wiring, a first insulating layer, a micro-LED, and a light-blocking layer. The wiring, the first insulating layer, and the micro-LED are located on the substrate in an order of the wiring, the first insulating layer, and the micro-LED. The micro-LED overlaps the wiring. The light-blocking layer is located between the first insulating layer and the micro-LED, at least partially crosses a portion of the wiring directly below the micro-LED, and has an area that does not overlap a positive electrode and a negative electrode.
    Type: Application
    Filed: April 6, 2020
    Publication date: June 23, 2022
    Inventors: Takashi SHIMIZU, Hiroaki ITO
  • Patent number: 11360406
    Abstract: An image forming apparatus, including: a photoconductor; a developing device; a developer storage; a supplier configured to supply developer; an optical sensor; and a controller configured to execute: a developing process of developing an electrostatic latent image on the photoconductor; a usage-amount obtaining process of obtaining a usage amount of the developer; a supplying process of supplying the developer to the developing device every time when the obtained usage amount becomes equal to or greater than a first threshold; and a detecting process of detecting, by the optical sensor, an amount of the developer in the developing device every time when the obtained usage amount becomes equal to or greater than a second threshold larger than the first threshold, and wherein the controller is configured to execute the detecting process in a period different from a period in which the developing process is being executed.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: June 14, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Takashi Suzuki, Kazuma Hinoue, Takashi Yasuda, Takashi Shimizu, Yoshifumi Kajikawa