Patents by Inventor Ken Kikuchi
Ken Kikuchi 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).
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Publication number: 20220214645Abstract: A photosensitive member cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image, includes a frame; a photosensitive drum on which and which is provided in the frame; a transfer member for transferring an image formed on the drum onto the sheet; a mounting portion for detachably mounting a developing cartridge including a developer carrying member onto the drum and a memory for storing information; a first electrical contact provided on the frame and electrically connectable with a main assembly electrical contact provided in the main assembly when the cartridge is mounted to the main assembly; and a second electrical contact provided on the frame for electrically connecting the memory and the first electrical contact portion with each other when the developing cartridge is mounted to the mounting portion.Type: ApplicationFiled: March 24, 2022Publication date: July 7, 2022Inventors: Jun Miyamoto, Masao Uyama, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki
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Publication number: 20220208066Abstract: A display device of the present disclosure is provided with a pixel circuit that includes a light-emitting element; a current modulator that controls a current value flowing through the light-emitting element; a current breaker that interrupts a current flowing through the light-emitting element; and a gray-scale controller that controls the current modulator and the current breaker to perform gray-scale control. The gray-scale controller discretely controls a light emission duty of the light-emitting element through the current breaker, and controls, through the current modulator, the current value flowing through the light-emitting element in accordance with the light emission duty of the light-emitting element.Type: ApplicationFiled: April 7, 2020Publication date: June 30, 2022Applicant: SONY GROUP CORPORATIONInventors: Ken KIKUCHI, Takaaki SUGIYAMA
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Patent number: 11360424Abstract: A gear unit for transmitting a rotational force to a rotatable member carrying developer and to which a coupling member is mountable. The gear unit includes a hole portion which opens outwardly in a direction along a rotational axis of the cylinder gear and which has an opening capable of accommodating the spherical portion, a groove portion which continues from the hole portion and which is capable of accommodating the projected portion, and a limiting portion for limiting inward movement of the spherical portion in the direction along the rotational axis of the gear. A closing member is provided for partially covering the opening of the hole portion and mounted to the gear to limit outward movement of the spherical portion in the direction along the rotational axis of the gear. The closing member is constituted by a plurality of independent pieces.Type: GrantFiled: March 26, 2020Date of Patent: June 14, 2022Assignee: Canon Kabushiki KaishaInventors: Ken Kikuchi, Yoshiyuki Batori
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Patent number: 11328655Abstract: A display apparatus according to an embodiment of the present disclosure includes: a display panel including a plurality of pixels; and a drive device that outputs a driving signal to the display panel. The driving signal causes one of the pixels to emit light many times by an active PWM drive method in a 1-frame period.Type: GrantFiled: March 6, 2018Date of Patent: May 10, 2022Assignees: Sony Semiconductor Solutions Corporation, Sony CorporationInventors: Takaaki Sugiyama, Ken Kikuchi, Atsushi Yasuda, Hirokazu Imai, Hiroshi Tobita
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Patent number: 11314198Abstract: A photosensitive member cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image, includes a frame; a photosensitive drum on which and which is provided in the frame; a transfer member for transferring an image formed on the drum onto the sheet; a mounting portion for detachably mounting a developing cartridge including a developer carrying member onto the drum and a memory for storing information; a first electrical contact provided on the frame and electrically connectable with a main assembly electrical contact provided in the main assembly when the cartridge is mounted to the main assembly; and a second electrical contact provided on the frame for electrically connecting the memory and the first electrical contact portion with each other when the developing cartridge is mounted to the mounting portion.Type: GrantFiled: November 24, 2020Date of Patent: April 26, 2022Assignee: Canon Kabushiki KaishaInventors: Jun Miyamoto, Masao Uyama, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki
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Patent number: 11281156Abstract: A photosensitive member cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image, includes a frame; a photosensitive drum on which and which is provided in the frame; a transfer member for transferring an image formed on the drum onto the sheet; a mounting portion for detachably mounting a developing cartridge including a developer carrying member onto the drum and a memory for storing information; a first electrical contact provided on the frame and electrically connectable with a main assembly electrical contact provided in the main assembly when the cartridge is mounted to the main assembly; and a second electrical contact provided on the frame for electrically connecting the memory and the first electrical contact portion with each other when the developing cartridge is mounted to the mounting portion.Type: GrantFiled: November 24, 2020Date of Patent: March 22, 2022Assignee: Canon Kabushiki KaishaInventors: Jun Miyamoto, Masao Uyama, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki
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Patent number: 11200834Abstract: A display apparatus includes pixels arranged in a two-dimensional matrix pattern, each of which including a light-emitting unit and a drive circuit that drives the unit and includes a comparator circuit that compares a control pulse with potential based on signal voltage and outputs predetermined voltage based on the result, a transistor driving the unit in response to the predetermined voltage, and a current source that supplies current to the unit during driving of the transistor, includes a current-source transistor, a capacity unit connected to a gate electrode of the current-source transistor, a differential amplifier that detects a differential between voltage based on reference constant current and reference voltage, and a transistor controlling the voltage based on reference constant current depending on current flowing through the current-source transistor, and controls gate potential of the current-source transistor on the basis of output of the amplifier in synchronization with a scanning signal.Type: GrantFiled: August 5, 2015Date of Patent: December 14, 2021Assignee: Sony Semiconductor Solutions CorporationInventors: Ken Kikuchi, Takaaki Sugiyama, Takehiro Misonou, Genichiro Oga, Takahiro Kita
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Publication number: 20210364982Abstract: A photosensitive member unit includes a photosensitive member, a transfer roller, a mounting portion capable of mounting a development unit including a development roller, a first gear and a second gear each provided at one end of the photosensitive member in an axial direction of the photosensitive member, and a third gear provided at one end of the transfer roller in an axial direction of the photosensitive member and configured to engage with the second gear. The first gear, the second gear, and the third gear are helical gears. A direction in which helical teeth of the first gear are inclined is opposite to a direction in which helical teeth of the second gear are inclined, and the direction in which the helical teeth of the first gear are inclined matches a direction in which helical teeth of the third gear are inclined.Type: ApplicationFiled: August 6, 2021Publication date: November 25, 2021Inventors: Masao Uyama, Kenji Matsuda, Ken Kikuchi
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Patent number: 11156953Abstract: A photosensitive member cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image, includes a frame; a photosensitive drum on which and which is provided in the frame; a transfer member for transferring an image formed on the drum onto the sheet; a mounting portion for detachably mounting a developing cartridge including a developer carrying member onto the drum and a memory for storing information; a first electrical contact provided on the frame and electrically connectable with a main assembly electrical contact provided in the main assembly when the cartridge is mounted to the main assembly; and a second electrical contact provided on the frame for electrically connecting the memory and the first electrical contact portion with each other when the developing cartridge is mounted to the mounting portion.Type: GrantFiled: February 27, 2020Date of Patent: October 26, 2021Assignee: Canon Kabushiki KaishaInventors: Jun Miyamoto, Masao Uyama, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki
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Publication number: 20210295766Abstract: A display apparatus according to an embodiment of the present disclosure includes: a display panel including a plurality of pixels; and a drive device that outputs a driving signal to the display panel. The driving signal causes one of the pixels to emit light many times by an active PWM drive method in a 1-frame period.Type: ApplicationFiled: March 6, 2018Publication date: September 23, 2021Applicants: Sony Semiconductor Solutions Corporation, Sony CorporationInventors: Takaaki Sugiyama, Ken Kikuchi, Atsushi Yasuda, Hirokazu Imai, Hiroshi Tobita
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Patent number: 11119442Abstract: A photosensitive member unit includes a photosensitive member, a transfer roller, a mounting portion capable of mounting a development unit including a development roller, a first gear and a second gear each provided at one end of the photosensitive member in an axial direction of the photosensitive member, and a third gear provided at one end of the transfer roller in an axial direction of the photosensitive member and configured to engage with the second gear. The first gear, the second gear, and the third gear are helical gears. A direction in which helical teeth of the first gear are inclined is opposite to a direction in which helical teeth of the second gear are inclined, and the direction in which the helical teeth of the first gear are inclined matches a direction in which helical teeth of the third gear are inclined.Type: GrantFiled: July 9, 2020Date of Patent: September 14, 2021Assignee: Canon Kabushiki KaishaInventors: Masao Uyama, Kenji Matsuda, Ken Kikuchi
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Publication number: 20210242096Abstract: A mounting substrate according to an embodiment of the present technology includes: a wiring substrate (30); a plurality of light-emitting elements (12) arranged in a matrix on the wiring substrate; and a plurality of drive ICs (13) that are arranged in a matrix on the wiring substrate, and control light emission of the light-emitting elements. The light-emitting elements and the drive ICs are mounted on a same surface. The wiring substrate includes a plurality of first wiring lines (16) on a mounting surface whre the light-emitting elements and the dive ICs are mounted. The first wiring lines electrically couple the light-emitting elements to the drive ICs.Type: ApplicationFiled: March 15, 2021Publication date: August 5, 2021Applicant: Sony Semiconductor Solutions CorporationInventors: Akiyoshi Aoyagi, Ken Kikuchi, Katsuhiro Tomoda
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Patent number: 11022932Abstract: An image forming apparatus includes a first developing cartridge including a first developing roller and a first projection, the first developing cartridge being detachably mounted to a first mounting portion of a frame such that the first developing cartridge is movable relative to the frame between a position where the first developing roller contacts a first photosensitive drum and the first projection is located in a first lower position and a position where the first projection is located in a first upper position above the first lower position. The apparatus also includes a first contacting member contactable with the first projection. The force applying portion is configured to apply a force to the first developing cartridge such that the first projection being held in the first upper position by the first contacting portion is moved to the first lower position.Type: GrantFiled: April 28, 2020Date of Patent: June 1, 2021Assignee: Canon Kabushiki KaishaInventor: Ken Kikuchi
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Publication number: 20210156965Abstract: The present disclosure relates to a ranging device and a ranging module that allow a light emitting element and a light receiving element to be integrated with a simple structure. A light emitting substrate having a light emitting element is connected to a circuit substrate through first bumps, and a light receiving substrate having a single light emitting element or light emitting elements that are two-dimensionally disposed is connected to the circuit substrate through second bumps. The optical axis of a lens, the optical axis of the light emitting element, and the center axis of the light receiving element are disposed on substantially the same axis. The present technique can be applied to a ranging device that carries out ranging, and so forth.Type: ApplicationFiled: February 28, 2019Publication date: May 27, 2021Applicants: SONY CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Yusuke OYAMA, Ken KIKUCHI, Hiizu OHTORII, Eiji OTANI, Hiroshi MORITA
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Patent number: 10971412Abstract: A mounting substrate according to an embodiment of the present technology includes: a wiring substrate (30); a plurality of light-emitting elements (12) arranged in a matrix on the wiring substrate; and a plurality of drive ICs (13) that are arranged in a matrix on the wiring substrate, and control light emission of the light-emitting elements. The light-emitting elements and the drive ICs are mounted on a same surface. The wiring substrate includes a plurality of first wiring lines (16) on a mounting surface whre the light-emitting elements and the dive ICs are mounted. The first wiring lines electrically couple the light-emitting elements to the drive ICs.Type: GrantFiled: March 17, 2015Date of Patent: April 6, 2021Assignee: Sony Semiconductor Solutions CorporationInventors: Akiyoshi Aoyagi, Ken Kikuchi, Katsuhiro Tomoda
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Publication number: 20210096502Abstract: An image forming apparatus includes a first unit that is movable to a first inside position of the main assembly. The first unit includes a first shutter provided with a first contacting portion. The apparatus also includes a second unit movable to a second inside position of the main assembly. The second unit includes a second shutter provided with a second contacting portion. The main assembly includes a first contacted portion causing the first shutter to move from a first position toward a second position by contacting of the first contacting portion while moving the first unit to the first inside position, and a second contacted portion causing the second shutter to move from a third position toward a fourth position by contacting of the second contacting portion while moving the second unit to the second inside position.Type: ApplicationFiled: December 2, 2020Publication date: April 1, 2021Inventor: Ken Kikuchi
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Publication number: 20210080901Abstract: A photosensitive member cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image, includes a frame; a photosensitive drum on which and which is provided in the frame; a transfer member for transferring an image formed on the drum onto the sheet; a mounting portion for detachably mounting a developing cartridge including a developer carrying member onto the drum and a memory for storing information; a first electrical contact provided on the frame and electrically connectable with a main assembly electrical contact provided in the main assembly when the cartridge is mounted to the main assembly; and a second electrical contact provided on the frame for electrically connecting the memory and the first electrical contact portion with each other when the developing cartridge is mounted to the mounting portion.Type: ApplicationFiled: November 24, 2020Publication date: March 18, 2021Inventors: Jun Miyamoto, Masao Uyama, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki
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Publication number: 20210080900Abstract: A photosensitive member cartridge detachably mountable to a main assembly of an image forming apparatus for forming an image, includes a frame; a photosensitive drum on which and which is provided in the frame; a transfer member for transferring an image formed on the drum onto the sheet; a mounting portion for detachably mounting a developing cartridge including a developer carrying member onto the drum and a memory for storing information; a first electrical contact provided on the frame and electrically connectable with a main assembly electrical contact provided in the main assembly when the cartridge is mounted to the main assembly; and a second electrical contact provided on the frame for electrically connecting the memory and the first electrical contact portion with each other when the developing cartridge is mounted to the mounting portion.Type: ApplicationFiled: November 24, 2020Publication date: March 18, 2021Inventors: Jun Miyamoto, Masao Uyama, Kenji Matsuda, Ken Kikuchi, Jun Miyazaki
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Patent number: 10916423Abstract: This invention provides a paste composition that enables a silicon germanium layer to be formed safely and easily, and a method for forming a silicon germanium layer safely and easily. The present invention provides a paste composition for forming a silicon germanium layer, the composition comprising aluminum and germanium, wherein the content of the germanium is more than 1 part by mass and 10000 parts by mass or less, per 100 parts by mass of the aluminum.Type: GrantFiled: September 16, 2016Date of Patent: February 9, 2021Assignee: TOYO ALUMINIUM KABUSHIKI KAISHAInventors: Marwan Dhamrin, Shota Suzuki, Ken Kikuchi, Masahiro Nakahara, Naoya Morishita
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Publication number: 20200341429Abstract: A photosensitive member unit includes a photosensitive member, a transfer roller, a mounting portion capable of mounting a development unit including a development roller, a first gear and a second gear each provided at one end of the photosensitive member in an axial direction of the photosensitive member, and a third gear provided at one end of the transfer roller in an axial direction of the photosensitive member and configured to engage with the second gear. The first gear, the second gear, and the third gear are helical gears. A direction in which helical teeth of the first gear are inclined is opposite to a direction in which helical teeth of the second gear are inclined, and the direction in which the helical teeth of the first gear are inclined matches a direction in which helical teeth of the third gear are inclined.Type: ApplicationFiled: July 9, 2020Publication date: October 29, 2020Inventors: Masao Uyama, Kenji Matsuda, Ken Kikuchi