Patents by Inventor Kenji Takeuchi

Kenji Takeuchi 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: 11265470
    Abstract: A control apparatus includes a calculating filter configured to perform a calculation process based on a signal from a shake detector used for an image stabilization, and a correcting filter to which an output signal from the calculating filter is input. The correcting filter includes a boost filter configured to change a gain based on a first frequency and a second frequency, and a notch filter having a center frequency between the first frequency and the second frequency.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: March 1, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenji Takeuchi, Koichi Washisu
  • Publication number: 20210311422
    Abstract: A fixing device includes a roller having a rotation axis, and a belt unit that conveys a sheet in combination with the roller. The belt unit includes an endless belt, a nip forming member that forms a nip in combination with the roller, and an upstream belt guide. The fixing device further includes a chute having a guide surface configured to guide the sheet toward the nip. In a section orthogonal to the rotation axis, a line segment connecting a downstream end of the guide surface and an upstream end of the nip does not intersect the upstream belt guide, and an extended line extended from the downstream end of the guide surface along the guide surface toward the roller intersects a surface of the roller at a position upstream of an upstream end of the nip.
    Type: Application
    Filed: March 18, 2021
    Publication date: October 7, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka Imaeda, Kenji Takeuchi, Tokifumi Tanaka, Tomonori Watanabe, Tatsuo Ogasawara
  • Publication number: 20210284139
    Abstract: A parking information management server includes a receiver configured to receive a parking information item which has transmitted from one or more vehicles, the parking information item including a traveling path in which the vehicle has traveled as well as a parking area and an obstacle which are acquired by the vehicle in a parking lot the vehicle has used, a memory configured to store the parking information item received by the receiver, a map creator configured to create a map including the parking area and the obstacle based on the parking information item stored in the memory, and a transmitter configured to automatically transmit the map created by the map creator and the traveling path stored in the memory to a vehicle which has requested the map.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 16, 2021
    Inventors: Kenji TAKEUCHI, Tatsuro NARITA
  • Publication number: 20210240118
    Abstract: A device includes a rotator having a rotation axis, a belt, a nip forming member surrounded by the belt, a first stay surrounded by the belt and extending in a width direction parallel to the rotation axis, a holder holding the nip forming member, and an urging member urging the first stay toward the rotator. The nip forming member is configured to, with the rotator, pinch the belt to form a nip. The first stay includes a first end and a second end. The holder includes a first engaging portion positioned at a first end of the holder, and a second engaging portion positioned at a second end of the holder. The first engaging portion engages the first end of the first stay. The second engaging portion engages the second end of the first stay.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 5, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi HANDA, Tomonori WATANABE, Shuhei FUKUE, Kenji TAKEUCHI, Kazuna TAGUCHI, Tatsuo OGASAWARA
  • Patent number: 11077419
    Abstract: Described is an adsorbent, a vacuum heat insulating material having the same and a refrigerator, which are capable of adsorbing a target material in a reduced pressure environment. A refrigerator includes an outer casing forming an exterior, an inner casing provided inside the outer casing and forming a storage chamber and a vacuum heat insulating material positioned between the outer casing and the inner casing, and including an adsorbent that adsorbs a heat transfer medium. The adsorbent includes a first adsorption component provided to adsorb oxygen, and including a transition metal oxide having an oxygen deficiency structure, and a second adsorption component provided to adsorb moisture.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: August 3, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nagahisa Sato, Ryo Iwamuro, Tomokazu Fukuzaki, Kenichi Nagayama, Ryosuke Kamitani, Kenji Takeuchi
  • Publication number: 20210200131
    Abstract: In a fixing device, a pressure unit is pressed toward a roller by an arm, to form a nip region. The pressure unit includes a belt configured to contact the roller in a nip region, a pressure pad configured to press the belt in combination with the roller, and a side guide including an end guide surface configured to guide a side end of the belt, and a stay configured to support the pressure pad. A supporting member is located on an outer side of the side guide that is opposite to an inner side on which the end guide surface faces. The supporting member is held between the stay and the arm, the supporting member comprising a contact surface which contacts the side guide and on which the side guide is swayably supported.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Mingguang ZHANG, Tatsuo OGASAWARA, Kenji TAKEUCHI, Tokifumi TANAKA
  • Patent number: 11050937
    Abstract: An image stabilizing apparatus includes at least one processor or circuit configured to execute a plurality of tasks including a first calculation task configured to make a calculation using an output signal from a shake detector configured to detect a shake, a second calculation task configured to estimate an estimated value corresponding to an offset variation value included in the output signal from the shake detector by using a signal processed by a low-pass filter having a high-frequency attenuation characteristic steeper than a high-frequency attenuation characteristic of the first calculation task, and a correction task configured to drive a corrector configured to correct an image blur caused by the shake using a calculation result of the first calculation task and the estimated value.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: June 29, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Go Naito, Koichi Washisu, Kenji Takeuchi
  • Patent number: 11048195
    Abstract: A fuser is described including a heater, a belt, a rotating member, and a pad. A nip portion is formed between the belt and the rotating member as the pad presses the belt toward the rotating member. The pad is biased toward a restricting member. The biasing may be performed by one or more springs. The spring may be a compression spring, a tension spring, and/or a plate spring among other types of springs.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: June 29, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masahito Kajita, Shuhei Fukue, Kenji Takeuchi, Mingguang Zhang, Tomonori Watanabe
  • Publication number: 20210181663
    Abstract: A device includes a rotator having a rotation axis, a belt, a nip forming member surrounded by the belt and configured to, with the rotator, pinch the belt to form a nip, an urging member configured to urge one of the rotator and the nip forming member towards the other in a particular direction perpendicular to the rotation axis, an upstream guide and a downstream guide. The upstream guide includes an upstream guide surface configured to guide an inner peripheral surface of the belt. The nip forming member includes a facing surface which faces the rotator. An upstream edge of the facing surface in the moving direction is located at a position farther from the rotation axis, in the particular direction, than a downstream edge of the upstream guide surface.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi Handa, Mingguang Zhang, Shuhei Fukue, Tokifumi Tanaka, Kenji Takeuchi, Hirotaka Imaeda
  • Publication number: 20210181662
    Abstract: A device includes a rotator having a rotation axis, a belt, a nip forming member surrounded by the belt, a holder holding the nip forming member, a first stay supporting the holder, an urging member urging the first stay toward the rotator, a second stay, and a connector. The nip forming member is configured to, with the rotator, pinch the belt to form a nip. The first stay extends in a width direction parallel to the rotation axis. The second stay is positioned upstream of the first stay in a moving direction of the belt at the nip. The moving direction is perpendicular to the width direction. The connector extends through at least one of the first stay and the second stay to connect the first stay to the second stay.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kazuna TAGUCHI, Hiroshi HANDA, Shuhei FUKUE, Tomonori WATANABE, Kenji TAKEUCHI, Tatsuo OGASAWARA
  • Publication number: 20210157260
    Abstract: A device includes a rotator, a belt facing the rotator and having an outer peripheral surface which contacts the rotator to form a nip therebetween, a first pad configured to press the belt toward the rotator to form one part of the nip, a second pad configured to press the belt toward the rotator, to form another part of the nip, a holder holding the first pad and the second pad, a stay supporting the holder, and an urging member urging the stay toward the rotator in an urging direction. The second pad is located upstream of the first pad in a conveyance direction in the nip orthogonal to the urging direction. At least a portion of a contact area between the stay and the holder is located downstream of a center of the nip and upstream of a front edge of the first pad in the conveyance direction.
    Type: Application
    Filed: February 5, 2021
    Publication date: May 27, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kazuna TAGUCHI, Tomonori WATANABE, Kenji TAKEUCHI, Hiroshi HANDA, Mingguang ZHANG, Shuhei FUKUE, Hirotaka IMAEDA
  • Publication number: 20210129219
    Abstract: Provided is a sizing apparatus including: a die set including a die plate that holds a die provided with a through hole to which a workpiece is to be supplied, and upper and lower punches that are to be inserted into the through hole to press the workpiece; a press main body that includes punch driving mechanisms that actuate the punches and in which the die set is configured to be attached to and detached from a predetermined position; and a turntable that is rotated on the die plate and supplies a workpiece to the die and discharges a workpiece from the die. The die set includes the turntable, and a supporting base on which the turntable is placed. The supporting base includes an axis positioning portion that is provided coaxially with a central axis of the turntable and positions the central axis at a predetermined position of the supporting base.
    Type: Application
    Filed: August 21, 2017
    Publication date: May 6, 2021
    Applicant: SUMITOMO ELECTRIC SINTERED ALLOY, LTD.
    Inventors: Shinji HAYASHI, Kenji TAKEUCHI
  • Patent number: 10996600
    Abstract: A device includes a rotator having a rotation axis, a belt, a nip forming member surrounded by the belt, a first stay surrounded by the belt and extending in a width direction parallel to the rotation axis, a holder holding the nip forming member, and an urging member urging the first stay toward the rotator. The nip forming member is configured to, with the rotator, pinch the belt to form a nip. The first stay includes a first end and a second end. The holder includes a first engaging portion positioned at a first end of the holder, and a second engaging portion positioned at a second end of the holder. The first engaging portion engages the first end of the first stay. The second engaging portion engages the second end of the first stay.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: May 4, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi Handa, Tomonori Watanabe, Shuhei Fukue, Kenji Takeuchi, Kazuna Taguchi, Tatsuo Ogasawara
  • Publication number: 20210080878
    Abstract: A fixing device according to the present disclosure includes a heater, a rotating member heated by the heater, an endless belt, a nip forming member, and a sliding sheet. The nip forming member forms a nip portion by nipping the endless belt between the nip forming member and the rotating member. The sliding sheet has a first portion nipped between the endless belt and the nip forming member and a second portion extending from the first portion. The sliding sheet has higher flexural rigidity than the endless belt. The second portion has a bent portion bent so as to contact an inner circumferential surface of the endless belt. The bent portion configured to urge, in a direction directed from an inner side toward an outer side of the endless belt, a portion of the endless belt positioned downstream of the nip portion in the moving direction.
    Type: Application
    Filed: September 28, 2020
    Publication date: March 18, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi HANDA, Kenji TAKEUCHI
  • Patent number: 10948858
    Abstract: A device includes a rotator having a rotation axis, a belt, a nip forming member surrounded by the belt and configured to, with the rotator, pinch the belt to form a nip, an urging member configured to urge one of the rotator and the nip forming member towards the other in a particular direction perpendicular to the rotation axis, an upstream guide and a downstream guide. The upstream guide includes an upstream guide surface configured to guide an inner peripheral surface of the belt. The nip forming member includes a facing surface which faces the rotator. An upstream edge of the facing surface in the moving direction is located at a position farther from the rotation axis, in the particular direction, than a downstream edge of the upstream guide surface.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: March 16, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi Handa, Mingguang Zhang, Shuhei Fukue, Tokifumi Tanaka, Kenji Takeuchi, Hirotaka Imaeda
  • Patent number: 10942478
    Abstract: A device includes a rotator having a rotation axis, a belt, a nip forming member surrounded by the belt, a holder holding the nip forming member, a first stay supporting the holder, an urging member urging the first stay toward the rotator, a second stay, and a connector. The nip forming member is configured to, with the rotator, pinch the belt to form a nip. The first stay extends in a width direction parallel to the rotation axis. The second stay is positioned upstream of the first stay in a moving direction of the belt at the nip. The moving direction is perpendicular to the width direction. The connector extends through at least one of the first stay and the second stay to connect the first stay to the second stay.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: March 9, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kazuna Taguchi, Hiroshi Handa, Shuhei Fukue, Tomonori Watanabe, Kenji Takeuchi, Tatsuo Ogasawara
  • Publication number: 20210067698
    Abstract: An image stabilizing apparatus includes at least one processor or circuit configured to execute a plurality of tasks including a first calculation task configured to make a calculation using an output signal from a shake detector configured to detect a shake, a second calculation task configured to estimate an estimated value corresponding to an offset variation value included in the output signal from the shake detector by using a signal processed by a low-pass filter having a high-frequency attenuation characteristic steeper than a high-frequency attenuation characteristic of the first calculation task, and a correction task configured to drive a corrector configured to correct an image blur caused by the shake using a calculation result of the first calculation task and the estimated value.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 4, 2021
    Inventors: Go Naito, Koichi Washisu, Kenji Takeuchi
  • Publication number: 20210067697
    Abstract: A control apparatus includes a calculating filter configured to perform a calculation process based on a signal from a shake detector used for an image stabilization, and a correcting filter to which an output signal from the calculating filter is input. The correcting filter includes a boost filter configured to change a gain based on a first frequency and a second frequency, and a notch filter having a center frequency between the first frequency and the second frequency.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 4, 2021
    Inventors: Kenji Takeuchi, Koichi Washisu
  • Patent number: 10928762
    Abstract: A device includes a rotator, a belt facing the rotator and having an outer peripheral surface which contacts the rotator to form a nip therebetween, a first pad configured to press the belt toward the rotator to form one part of the nip, a second pad configured to press the belt toward the rotator, to form another part of the nip, a holder holding the first pad and the second pad, a stay supporting the holder, and an urging member urging the stay toward the rotator in an urging direction. The second pad is located upstream of the first pad in a conveyance direction in the nip orthogonal to the urging direction. At least a portion of a contact area between the stay and the holder is located downstream of a center of the nip and upstream of a front edge of the first pad in the conveyance direction.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: February 23, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kazuna Taguchi, Tomonori Watanabe, Kenji Takeuchi, Hiroshi Handa, Mingguang Zhang, Shuhei Fukue, Hirotaka Imaeda
  • Publication number: 20200398342
    Abstract: In a sizing device equipped with a turntable having a plurality of accommodation holes that accommodate workpieces, carrying the workpiece in each of the accommodation holes to a through hole of a die disposed at a workpiece shaping position one by one, and causing the workpiece to be pressed by upper and lower punches, while each of the accommodation holes is moved from a workpiece supply position to a workpiece taking-out position by the turntable being rotated about a rotation axis, the sizing device includes a plurality of identification information holding units, a supply-side input unit, a shaping position read unit, a punch control unit, and a shaping position input unit.
    Type: Application
    Filed: September 8, 2020
    Publication date: December 24, 2020
    Applicant: Sumitomo Electric Sintered Alloy, Ltd.
    Inventors: Shinji HAYASHI, Kenji TAKEUCHI