Patents Examined by Michael A Harrison
  • Patent number: 12379680
    Abstract: In a cartridge, a housing has a developer accommodating portion and includes a first side wall and a second side wall. A coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall. A detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall. A first driving force transmission member is positioned at the same side with the coupling member with respect to the first side wall, and transmits driving force from the coupling member to a rotating member. A second driving force transmission member is positioned at the same side with the detection body with respect to the second side wall, and transmits driving force from the rotating member to the detection body.
    Type: Grant
    Filed: April 5, 2024
    Date of Patent: August 5, 2025
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Nao Itabashi, Naoya Kamimura
  • Patent number: 12353149
    Abstract: A fixing apparatus includes a heater including a heating member, a heater holder configured to hold the heater, a detection element configured to detect a temperature of the heater and disposed at a position that faces the heater in a third direction, a first holding member configured to hold the detection element, an urging member configured to urge the first holding member, a flexible member extending in the first direction and configured to support the first holding member on a first end portion of the flexible member in the first direction, and a second holding member configured to hold a second end portion of the flexible member in the first direction. The flexible member is flexible such that the first holding member and the second holding member are movable relative to each other in the third direction.
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: July 8, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenichi Tagami, Noriyuki Ito, Masafumi Maeda, Yusuke Nakashima
  • Patent number: 12326679
    Abstract: An image forming apparatus includes first and second rotatable members forming a nip therebetween, a heater disposed in inside of the second rotatable member, a first temperature sensor provided on a center of the heater, a second temperature sensor provided on an end side of the heater. A controller controls a feeding interval in which a trailing edge of a preceding sheet passes through the nip until a leading edge of a subsequent sheet reaches the nip. The controller controls the feeding interval to be a first interval in a case which a feeding speed of the sheet is a first speed and a detected temperature by the second sensor is a first temperature, and to be a second interval shorter than the first interval in a case which the feeding speed is a second speed lower than the first speed and the detected temperature is the first temperature.
    Type: Grant
    Filed: February 26, 2024
    Date of Patent: June 10, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Atsushi Nakamoto, Kazuhiro Doda
  • Patent number: 12326675
    Abstract: An image forming apparatus includes a chassis having an opening, a cover, photosensitive members, an intermediate transfer belt, a primary-transfer member, a secondary-transfer roller, a cleaner device, an external-sheet inlet, a waste toner container, a connector, and a conveying roller, which is arranged within the feeding path to feed the recording sheet inserted through the external-sheet inlet in the feeding path. The conveying roller is mounted on the waste toner container and removable from the chassis along with the waste toner container.
    Type: Grant
    Filed: June 12, 2024
    Date of Patent: June 10, 2025
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Shougo Sato
  • Patent number: 12321110
    Abstract: In a cartridge, a housing has a developer accommodating portion and includes a first side wall and a second side wall. A coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall. A detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall. A first driving force transmission member is positioned at the same side with the coupling member with respect to the first side wall, and transmits driving force from the coupling member to a rotating member. A second driving force transmission member is positioned at the same side with the detection body with respect to the second side wall, and transmits driving force from the rotating member to the detection body.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: June 3, 2025
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Nao Itabashi, Naoya Kamimura
  • Patent number: 12322766
    Abstract: A battery management system according to the present disclosure includes a swelling detector including at least one sensor configured to detect a swelling status of a battery cell; and a control circuit configured to generate first time-series data of the swelling status repeatedly detected during a charging procedure included in a charge/discharge cycle of the battery cell. The control circuit is configured to determine a first change amount of the swelling status in the charging procedure from the first time-series data. The control circuit is configured to determine whether the battery cell is shorted internally based on the first change amount.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: June 3, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Ji-Eun Lee, Young-Eun Choi, Eun-Ju Lee
  • Patent number: 12313989
    Abstract: A fixing device includes: a heating section that heats in a non-contact manner a front surface of a recording medium; a feeding section that feeds the recording medium while causing the front surface to be opposed to the heating section; and a maintaining section that, in order to enable the recording medium to be fed by the feeding section while a rear surface that is opposite to the front surface, and that is in an image region where an unfixed-image is formed on the front surface is in a non-contact state, maintains the non-contact state.
    Type: Grant
    Filed: February 9, 2024
    Date of Patent: May 27, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Takayuki Yamashita
  • Patent number: 12313430
    Abstract: A system and method for determining a position and or speed of a rotating shaft includes a target wheel for securement to a rotatable shaft, the target wheel including a plurality of North/South pole pairs, each pole of each North/South pole pairs being essentially the same size; and a sensor assembly. The sensor assembly includes a first magnetic sensor array for sensing the pole pairs to provide a cosine signal and a sine signal and a second magnetic sensor array for sensing the pole pairs to provide a cosine signal and a sine signal, wherein the second magnetic sensor array is disposed transverse to the first magnetic sensor array. An electronic processor is configured to receive inputs from the first magnetic sensor array and the second magnetic sensor array, and to determine a position and/or speed of the shaft.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: May 27, 2025
    Assignee: The Timken Company
    Inventors: Alfred John Santos, Lei Wang, Mark E. LaCroix
  • Patent number: 12298684
    Abstract: A belt cleaning blade has a contact part that is brought into contact with at least a surface of a belt which is a member to be cleaned, in which the contact part is configured of polyurethane rubber containing a hard segment and a soft segment, and in a surface of the contact part, a proportion HX occupied by domains of the hard segment is 15.2% or more and 26.1% or less, and a proportion HY occupied by an area of the domains of the hard segment having an area of 200 nm2 or more and 1,000 nm2 or less to a total area of the domains of the hard segment in the surface is 38.9% or more and 60.8% or less.
    Type: Grant
    Filed: February 26, 2024
    Date of Patent: May 13, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yusuke Watanabe, Daisuke Tano, Yuka Kawamoto
  • Patent number: 12292706
    Abstract: An image forming apparatus includes an image holder; a charging unit that charges a surface of the image holder; an electrostatic charge image forming unit that forms an electrostatic charge image on the charged surface of the image holder; a developing unit that accommodates an electrostatic charge image developer containing a toner having toner particles and that develops an electrostatic charge image formed on the surface of the image holder as a toner image by the electrostatic charge image developer, in which a release agent present in a region within 800 nm from a surface of the toner particles is 70% or more of a release agent in entire toner particles and a melting temperature of the release agent is 65° C. or higher and 80° C.
    Type: Grant
    Filed: February 7, 2024
    Date of Patent: May 6, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Kenta Shingu, Yoshiteru Yamada, Yuka Kawamoto, Daisuke Tano
  • Patent number: 12292705
    Abstract: An image forming apparatus includes a conveyance unit conveying a recording medium in contact with the recording medium's one surface along a conveyance path, a first image forming group, a second image forming group, a first intermediate transfer body being transferred a toner image formed by the first image forming group, a second intermediate transfer body being transferred a toner image formed by the second image forming group, a first transfer unit transferring the toner image from the first intermediate transfer body to the recording medium's other surface, and a second transfer unit transferring the toner image from the second intermediate transfer body to the recording medium's other surface. The first image forming group, the first intermediate transfer body, the second intermediate transfer body, and the second image forming group are located the other surface side of the recording medium in this order in a conveyance direction.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: May 6, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Akira Shimodaira, Satoshi Tejima
  • Patent number: 12292709
    Abstract: A device to supply power to a heater of a fixing device with a heater power supply circuit configured to supply power to the heater; a temperature sensor to measure a detected temperature from the temperature control target; a temperature estimation circuit to estimate an estimated temperature value of the temperature control target by the detected temperature; a control signal generation circuit to output a control signal for controlling the power supplied by the heater power supply circuit based on the estimated temperature value of the temperature control target estimated by the temperature estimation circuit and the target temperature; and a temperature abnormality detection circuit to determine whether an abnormality exists in the temperature sensor or on a circuit side based on a comparison result of the detected temperature acquired by the temperature sensor and the estimated temperature value.
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: May 6, 2025
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Takeshi Kojima
  • Patent number: 12287596
    Abstract: An image forming apparatus includes a sheet-supplier, a photoconductor, a fuser and a controller. The controller is configured to, in a case where the number of sheets to be printed indicated by a printing job is less than a first predetermined number of sheets, start supplying a sheet by a sheet-supplier at a timing when a second period of time has been passed from a timing when the temperature in the fuser has reached a second temperature, and, in a case where the number of sheets to be printed is equal to or greater than the first predetermined number of sheets, start supplying the sheet by the sheet-supplier at a timing when the second period of time has been passed from a timing when the temperature in the fuser has reached a first temperature larger than the second temperature.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: April 29, 2025
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Makoto Souda, Takuya Nishimura
  • Patent number: 12282291
    Abstract: A distance between a fan and an area of a belt opposed to the fan at a downstream side in an air discharge direction of the fan is a first distance. A distance between the fan and an area of the belt opposed to the fan at an upstream side in an air intake direction of the fan is a second distance. The first distance is equal to or greater than the second distance.
    Type: Grant
    Filed: November 8, 2023
    Date of Patent: April 22, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Yuri Shimamoto
  • Patent number: 12282276
    Abstract: An image forming method to be performed by an image forming apparatus includes forming, transferring, fixing, and drying. The forming forms a foil portion to which foil is adhered on one surface of a recording medium. The transferring transfers an image to the one surface of the recording medium after the forming of the foil portion. The fixing fixes the image transferred to the one surface of the recording medium by the transferring of the image, to form a foil image portion including the foil portion and the image on the recording medium. The drying dries the recording medium on which the foil portion is formed, between the forming of the foil portion and the transferring of the image.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: April 22, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yohhei Watanabe, Kenji Ishii, Kaori Hemmi
  • Patent number: 12276927
    Abstract: An image forming apparatus includes an image holder; a charging unit that charges a surface of the image holder; an electrostatic charge image forming unit that forms an electrostatic charge image on the charged surface of the image holder; a developing unit that accommodates an electrostatic charge image developer containing a toner having toner particles and that develops an electrostatic charge image formed on the surface of the image holder as a toner image by the electrostatic charge image developer, in which a release agent present in a region within 800 nm from a surface of the toner particles is 70% or more of a release agent in entire toner particles and a melting temperature of the release agent is 65° C. or higher and 80° C.
    Type: Grant
    Filed: February 9, 2024
    Date of Patent: April 15, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yuka Kawamoto, Kenta Shingu, Yoshiteru Yamada, Daisuke Tano
  • Patent number: 12271130
    Abstract: A fixing apparatus is used that has: a first rotation member; an elongated heater disposed in an internal space of the first rotation member, and having a heat generating member and a substrate on which the heat generating member is provided; a temperature sensing unit that detects a temperature of the heater; a heater holder that holds the heater; a second rotation member that forms a nip portion with the heater, across the first rotation member; a reservoir unit that stores grease that is supplied between the first rotation member and the heater; and an elastic member that encloses the temperature sensing unit, such that a toner image formed on a recording material is heated and fixed at the nip portion.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: April 8, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Nakazono, Yutaka Sato, Naofumi Murata, Hikaru Osada
  • Patent number: 12259670
    Abstract: A tubular fixing member including a substrate, an elastic layer, an interlayer, and a surface layer are laminated in this order, in which “E1<E2” is satisfied in a case where a storage elastic modulus of the elastic layer is denoted by E1 and a storage elastic modulus of the interlayer is denoted by E2.
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: March 25, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Shingo Ebukuro, Yasuhiko Kinuta
  • Patent number: 12253566
    Abstract: A method of evaluating a power storage device includes at least [a] to [f] below. [a] A power storage device is prepared. [b] A charge level of the power storage device is adjusted to produce a first potential difference between a positive electrode and a negative electrode. [c] The positive electrode or the negative electrode is selected as a reference electrode. [d] After the charge level is adjusted, an operation to insert a conductive rod-shaped member into a stack portion along a direction of stack of the positive electrode and the negative electrode is performed while a second potential difference between the reference electrode and the rod-shaped member is measured. [e] The rod-shaped member is stopped. [f] The power storage device is evaluated based on a state of the power storage device after the rod-shaped member is stopped.
    Type: Grant
    Filed: April 4, 2023
    Date of Patent: March 18, 2025
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kensaku Miyazawa, Shinichi Hamasaki, Yuya Ishihara, Tetsuya Kaneko
  • Patent number: 12248037
    Abstract: A magnetic sensor includes: a non-magnetic substrate; and a sensitive element 31 having a longitudinal direction and a short direction, provided with uniaxial magnetic anisotropy in a direction crossing the longitudinal direction, and sensing a magnetic field by a magnetic impedance effect, wherein the sensitive element 31 includes plural soft magnetic material layers 105a to 105d and plural non-magnetic material layers 106a to 106c configured with a non-magnetic material and laminated between the plural soft magnetic material layers 105a to 105d, and the soft magnetic material layers 105a to 105d facing each other with each of the non-magnetic material layers 106a to 106c interposed therebetween are antiferromagnetically coupled.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: March 11, 2025
    Assignee: Resonac Corporation
    Inventors: Daizo Endo, Tatsunori Shino, Akira Sakawaki, Sho Tonegawa, Yasumasa Watanabe