Patents by Inventor Ryo Abe

Ryo Abe 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: 12578675
    Abstract: Disclosed is an exchanging tool for an image forming apparatus including: an exposure head; a flexible flat cable to electrically connect the exposure head with a control circuit board; and a guide portion being configured to hold the flexible flat cable along leftward and rightward directions. The exchanging tool is used for exchanging the flexible flat cable and includes an elongated sheet member with a cable holding portion to hold the flexible flat cable at one end portion in a longitudinal direction. A length from the cable holding portion to the other end portion in the longitudinal direction is such that, via the guide portion, the other end portion is exposed from a first through hole disposed on one side in the leftward and rightward directions and the cable holding portion is exposed from the second through hole disposed on the other side in the leftward and rightward directions.
    Type: Grant
    Filed: November 21, 2024
    Date of Patent: March 17, 2026
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Ryo Abe, Yuta Okada, Shinichiro Hosoi, Ryota Fukumoto, Nobuhisa Kojima, Hitoshi Iwai
  • Publication number: 20250370403
    Abstract: An image forming apparatus includes a photoconductor, an exposure head that includes a substrate on which a plurality of light emitting elements is mounted in a longitudinal direction that is an axial direction of the photoconductor, and a lens array including a plurality of lenses that condenses light emitted from the light emitting elements onto the photoconductor, and exposes the photoconductor, a longitudinal-shaped cleaning rod that is inserted from outside of the image forming apparatus and cleans emission surfaces of the lenses by rubbing the lenses in the longitudinal direction, and a guide member that guides the cleaning rod inserted from the outside of the image forming apparatus, in which the cleaning rod includes a cleaning member that abuts on the emission surfaces of the lenses and cleans off attached matter attached to the emission surfaces of the lenses, a first portion whose cross-sectional shape in a direction orthogonal to the longitudinal direction is a first cross-sectional shape, and a s
    Type: Application
    Filed: May 6, 2025
    Publication date: December 4, 2025
    Inventor: RYO ABE
  • Patent number: 12481230
    Abstract: An optical scanning device configured to expose a charged surface of a photosensitive member to form an electrostatic latent image includes a light source configured to emit light, a deflector configured to deflect the light emitted from the light source, a driving unit configured to rotationally drive the deflector, a control substrate provided with the driving unit and the deflector and configured to control the driving unit, a cover member configured to cover the deflector, a casing on which the control substrate is mounted, a fixing portion configured to fix the control substrate to the casing, and a plurality of engagement members configured to jointly engage and fix the cover member and the control substrate to the casing such that the cover member is detachably attached.
    Type: Grant
    Filed: November 3, 2023
    Date of Patent: November 25, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Ryo Abe
  • Publication number: 20250199460
    Abstract: Disclosed is an exchanging tool for an image forming apparatus including: an exposure head; a flexible flat cable to electrically connect the exposure head with a control circuit board; and a guide portion being configured to hold the flexible flat cable along leftward and rightward directions. The exchanging tool is used for exchanging the flexible flat cable and includes an elongated sheet member with a cable holding portion to hold the flexible flat cable at one end portion in a longitudinal direction. A length from the cable holding portion to the other end portion in the longitudinal direction is such that, via the guide portion, the other end portion is exposed from a first through hole disposed on one side in the leftward and rightward directions and the cable holding portion is exposed from the second through hole disposed on the other side in the leftward and rightward directions.
    Type: Application
    Filed: November 21, 2024
    Publication date: June 19, 2025
    Inventors: RYO ABE, YUTA OKADA, SHINICHIRO HOSOI, RYOTA FUKUMOTO, NOBUHISA KOJIMA, HITOSHI IWAI
  • Publication number: 20250199462
    Abstract: Disclosed is an exchanging tool for an image forming apparatus including: an exposure having a connector; a control circuit board; a flexible flat cable configured to electrically connect the connector to the control circuit board; and a guide portion provided extending in leftward and rightward directions of the image forming apparatus, the leftward and rightward directions being perpendicular to the forward and backward directions and vertical directions, the guide portion being configured to support the flexible flat cable along the leftward and rightward directions. The exchanging tool is used for exchanging the flexible flat cable and includes a flexible flat cable holding member configured to hold the flexible flat cable. The flexible flat cable holding member includes a guide portion configured to guide the flexible flat cable from the leftward and rightward directions to the frontward and backward directions.
    Type: Application
    Filed: November 21, 2024
    Publication date: June 19, 2025
    Inventors: SHINICHIRO HOSOI, RYO ABE, YUTA OKADA, HITOSHI IWAI, NOBUHISA KOJIMA, RYOTA FUKUMOTO
  • Publication number: 20250199461
    Abstract: Disclosed is a holding tool for an image forming apparatus including: an exposure head configured to expose a photosensitive member, the exposure head being elongated along axial directions of the photosensitive member; and an exposure support member configured to support the exposure head in a detachable manner. The holding tool is configured to hold the exposure head. The holding tool is inserted into the image forming apparatus from outside the image forming apparatus and configured to hold the exposure head that is detached from the exposure support member in a state where the holding tool is inserted into the image forming apparatus.
    Type: Application
    Filed: November 20, 2024
    Publication date: June 19, 2025
    Inventors: YUTA OKADA, RYO ABE, SHINICHIRO HOSOI, HITOSHI IWAI, NOBUHISA KOJIMA, RYOTA FUKUMOTO
  • Publication number: 20250199466
    Abstract: Disclosed is an image forming apparatus including: a photosensitive member unit having a photosensitive member; an exposure head configured to expose the photosensitive member, the exposure head being of an elongated shape in first directions; a developing unit having a developer bearing member; a support member configured to engage with either the photosensitive member unit or the developing unit and to guide the photosensitive member unit or the developing unit along the first directions; and a restricting portion configured to restrict a movement in the first directions of a movable member movably guided in the first directions by the support member.
    Type: Application
    Filed: November 21, 2024
    Publication date: June 19, 2025
    Inventors: HITOSHI IWAI, RYO ABE, YUTA OKADA, SHINICHIRO HOSOI, NOBUHISA KOJIMA, RYOTA FUKUMOTO
  • Publication number: 20250199452
    Abstract: Disclosed is an image forming apparatus including: a flexible flat cable configured to electrically connect a connector with a control circuit board; and an exposure support member configured to support the exposure head in a posture where the light emitting elements are disposed on an upper side and the connector is disposed on a lower side of the image forming apparatus in upward and downward directions of the image forming apparatus. The flexible flat cable has a contact point that is provided on one surface and is the electrically connected to the connector of the exposure head. The flexible flat cable is connected to the exposure head held by the exposure support member in the posture such that the contact point is disposed on a surface of a left side in leftward and rightward directions of the image forming apparatus.
    Type: Application
    Filed: November 21, 2024
    Publication date: June 19, 2025
    Inventors: RYOTA FUKUMOTO, RYO ABE, YUTA OKADA, SHINICHIRO HOSOI, HITOSHI IWAI, NOBUHISA KOJIMA
  • Publication number: 20250199453
    Abstract: Disclosed is an image forming apparatus including: a flexible flat cable configured to electrically connect a connector with a control circuit board; and an exposure support member configured to support the exposure head in a posture where the light emitting elements are disposed on an upper side and the connector is disposed on a lower side of the image forming apparatus in upward and downward directions of the image forming apparatus. The flexible flat cable has a contact point that is provided on one surface and is the electrically connected to the connector of the exposure head. The flexible flat cable is connected to the exposure head held by the exposure support member in the posture such that the contact point is disposed on a surface of a right side in leftward and rightward directions of the image forming apparatus.
    Type: Application
    Filed: November 21, 2024
    Publication date: June 19, 2025
    Inventors: NOBUHISA KOJIMA, RYO ABE, YUTA OKADA, HITOSHI IWAI, SHINICHIRO HOSOI, RYOTA FUKUMOTO
  • Publication number: 20250164854
    Abstract: A lens driving apparatus includes a fixed member, a lens holding member, a piezoelectric driving part having a piezoelectric element extending in a direction perpendicular to an optical axis direction, a receiving member, and a biasing member, the lens holding member moves relative to the fixed member by movement of the piezoelectric element, the biasing member is composed of a leaf spring member, the piezoelectric driving part includes a contact member and a flexible printed circuit, the piezoelectric element and the contact member are fixed with one adhesive, the flexible printed circuit and the supporting part are fixed with another adhesive, and the Young's modulus of the other adhesive is smaller than the Young's modulus of the one adhesive.
    Type: Application
    Filed: January 21, 2025
    Publication date: May 22, 2025
    Inventors: Yuji KODAMA, Katsutoshi SUZUKI, Ryo ABE, Tomokazu SAKANO
  • Publication number: 20240345499
    Abstract: An image forming apparatus includes: a rotating photosensitive member; an optical print head including a substrate on which a plurality of light emitting portions emitting light to expose the photosensitive member is provided, a lens condensing the light emitted by the plurality of light emitting portions on the photosensitive member, and a holder holding the substrate and the lens; a cleaning rod abutting on the lens and cleaning the lens; and a guiding member guiding the cleaning rod along a rotational axis direction of the photosensitive member and restricting movement of the cleaning rod in an optical axis direction orthogonal to both the rotational axis direction and a width direction of the substrate orthogonal to the rotational axis direction, the guiding member being separate from the holder.
    Type: Application
    Filed: March 20, 2024
    Publication date: October 17, 2024
    Inventors: Hayata SHIBATA, Nobuhisa KOJIMA, Ryo ABE
  • Publication number: 20240152069
    Abstract: An optical scanning device configured to expose a charged surface of a photosensitive member to form an electrostatic latent image includes a light source configured to emit light, a deflector configured to deflect the light emitted from the light source, a driving unit configured to rotationally drive the deflector, a control substrate provided with the driving unit and the deflector and configured to control the driving unit, a cover member configured to cover the deflector, a casing on which the control substrate is mounted, a fixing portion configured to fix the control substrate to the casing, and a plurality of engagement members configured to jointly engage and fix the cover member and the control substrate to the casing such that the cover member is detachably attached.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventor: RYO ABE
  • Patent number: 11754801
    Abstract: An optical driving apparatus includes an actuator configured to drive an optical element holder in an optical axis direction, a first rolling member and a second rolling member each fixed rollably to the optical element holder, a first guide member configured to guide the optical element holder in the optical axis direction, a second guide member configured to restrict the optical element holder from rotating around the first guide member, a first biasing member configured to generate a first biasing force to press the first rolling member against the first guide member, and a second biasing member configured to generate a second biasing force to press the second rolling member against the second guide member. The first biasing member generates the first biasing force as a magnetic force. A reaction force of the second biasing force acts on the actuator.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: September 12, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Ryo Abe
  • Patent number: 11522471
    Abstract: A vibration type motor has a vibrator; a frictional member, a pressurization unit that causes the vibrator and the frictional member to come into pressure-contact with each other, a retaining member that retains the frictional member, and a fixing unit that fixes the friction member to the retaining member, and the vibrator and the frictional member make relative movement by the vibrator being vibrated. The frictional member has a first area including an area that contacts the vibrator and a second area including an area that is retained by the retaining member. A size of the first area in an orthogonal direction that is orthogonal to both the direction of the relative movement and a pressure direction of the pressurization unit is smaller than a size of the second area in the orthogonal direction.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: December 6, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Ryo Abe
  • Patent number: 11442242
    Abstract: Provided is a vibration wave motor including: a vibrator; a friction member; a pressurizing mechanism; a first holding mechanism; and a second holding mechanism, wherein the vibrator and the friction member are configured to perform relative movement with respect to each other, wherein the first holding mechanism includes a first holding portion and a second holding portion which is longer than the first holding portion in a direction of the relative movement, wherein the friction member is arranged between the first holding portion and the second holding portion, wherein the first holding portion includes a first restriction portion, wherein the second holding portion includes a second restriction portion, and wherein the first restriction portion and the second restriction portion are brought into abutment against the second holding mechanism to restrict movement in directions other than the direction of the relative movement of the vibrator and the first holding mechanism.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: September 13, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Ryo Abe, Makoto Oikawa, Yasufumi Yamamoto
  • Patent number: 11437934
    Abstract: Provided is a vibration wave motor including: a vibrator; a friction member configured to be brought into frictional contact with the vibrator; a first holding member holding the vibrator; a second holding member holding the first holding member; and a third holding member holding the second holding member, wherein the vibrator and the friction member move relative to each other, and wherein one side of the second holding member is configured to connect to the first holding member or the third holding member at a position where the second holding member overlaps the rectangular shape portion in a direction of the relative movement, and another side of the second holding member is configured to connect to the first holding member or the third holding member at a position where the second holding member overlaps the rectangular shape portion in a direction perpendicular to the direction of the relative movement.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: September 6, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasufumi Yamamoto, Makoto Oikawa, Ryo Abe
  • Patent number: 11381177
    Abstract: Provided is a vibration wave motor, including: a vibrator including a piezoelectric element and a vibrating plate; a friction member, which includes a friction-contact surface to be brought into contact with the vibrator, and is configured to perform relative movement with respect to the vibrator by vibration generated by the vibrator; and a guide mechanism, which includes a first guide member, a second guide member, and a rolling member arranged between the first guide member and the second guide member, and is configured to guide the relative movement, wherein the first guide member includes a groove portion formed of a first surface and a second surface to be brought into contact with the rolling member, and wherein the first surface is longer than the second surface in a direction of the relative movement.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: July 5, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenta Takai, Ryo Yamasaki, Makoto Oikawa, Kazuharu Osawa, Shunsuke Ninomiya, Ryo Abe
  • Patent number: 11283370
    Abstract: Provided is a vibration wave motor, including: a vibrator; a friction member, which is in friction contact with the vibrator; a pressurizing unit, which is configured to pressurize the vibrator against the friction member; and a guiding unit, which is configured to guide relative movement between the vibrator and the friction member, wherein the relative movement between the vibrator and the friction member is caused by vibration generated by the vibrator, and wherein the guiding unit holds the friction member and has fixing portions, and the fixing portions are formed in the guiding unit in vicinities of both ends of the guiding unit sandwiching the friction member.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: March 22, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryo Yamasaki, Makoto Oikawa, Kazuharu Osawa, Shunsuke Ninomiya, Ryo Abe, Kenta Takai
  • Patent number: 11245343
    Abstract: A vibration wave motor includes a vibrator, a friction member having a sliding surface, a guide member, a flexible substrate, and a fixing member configured to fix the friction member, the guide member, and the flexible substrate. The vibrator and the friction member move relative to each other in a predetermined direction. The fixing member includes a substrate-fixing portion configured to fix the flexible substrate, which includes a joint portion, an extending portion extending along the predetermined direction, a bent portion configured to reverse and turn back the extending portion, and a fixed portion to be fixed to the substrate-fixing portion. The flexible substrate is fixed on a surface of the substrate-fixing portion provided in a direction opposite to a direction in which the vibrator is brought into pressure-contact with the friction member.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: February 8, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Makoto Oikawa, Ryo Yamasaki, Kazuharu Osawa, Shunsuke Ninomiya, Ryo Abe, Kenta Takai
  • Patent number: 11190112
    Abstract: A vibration wave motor includes a first holding member; a second holding member; a first regulating region; and a second regulating region, wherein a position of a first contact region of the first holding member, which comes into contact with the first regulating region, is different from a position of a second contact region of the second holding member, which comes into contact with the second regulating region, and wherein a position of the first regulating region is different from a position of the second regulating region in the relative movement direction so that, in the relative movement direction, a difference between a distance from the first contact region to the first regulating region and a distance from the second contact region to the second regulating region is shorter than a difference between the position of the first contact region and the position of the second contact region.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: November 30, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shunsuke Ninomiya, Ryo Yamasaki, Makoto Oikawa, Kazuharu Osawa, Ryo Abe, Kenta Takai