Patents by Inventor Tomonori Watanabe

Tomonori Watanabe 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: 11353811
    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: Grant
    Filed: March 18, 2021
    Date of Patent: June 7, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka Imaeda, Kenji Takeuchi, Tokifumi Tanaka, Tomonori Watanabe, Tatsuo Ogasawara
  • Patent number: 11327424
    Abstract: A fixing device includes: a rotary body; a pressure body; a frame supporting the rotary body; and a pressure varying mechanism for providing a nip pressure to a nip region formed between the rotary body and the pressure body. The pressure varying mechanism includes a first spring and a second spring for urging one of the rotary body and the pressure body. The first spring applies a first urging force, and the second spring applies a second urging force acting in an opposite direction from the first urging force. The pressure varying mechanism can vary the nip pressure between a first nip pressure and a second nip pressure smaller than the first nip pressure. The nip pressure becomes the first nip pressure while only the first urging force is applied, and becomes the second nip pressure while both of the first urging force and the second urging force are applied.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: May 10, 2022
    Inventors: Hiroshi Handa, Tokifumi Tanaka, Shuhei Fukue, Tomonori Watanabe
  • Patent number: 11318839
    Abstract: A vehicle control device includes a vehicle controller that, if a predetermined state transition condition is satisfied, makes a state transition of a vehicle from a drive possible state to a drive impossible state. The vehicle control device includes a vehicle occupant detection unit that detects a vehicle occupant in the vehicle. The vehicle controller makes the state transition to the drive impossible state that is different depending on a detection result from the vehicle occupant detection unit.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: May 3, 2022
    Assignee: Honda Motor Co., Ltd.
    Inventors: Toshihiro Kojima, Katsuyasu Yamane, Tomonori Watanabe, Gaku Shimamoto
  • Patent number: 11300907
    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: April 23, 2021
    Date of Patent: April 12, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi Handa, Tomonori Watanabe, Shuhei Fukue, Kenji Takeuchi, Kazuna Taguchi, Tatsuo Ogasawara
  • Patent number: 11294308
    Abstract: In an image forming device, a first fixing member has a roller. A second fixing member has a belt to form a nip together with the first fixing member. A pressure modifying mechanism modifies a nip pressure at the nip to selected one of a first nip pressure and a second nip pressure smaller than the first nip pressure. A controller drives the first motor to drive the roller and fixes the developer image on a sheet in a state that the nip pressure is the first nip pressure. The controller modifies the nip pressure from the first nip pressure to the second nip pressure while driving the first motor in a case where a final sheet among one or more sheets fixed according to a print job has passed the nip, and halts the first motor after the nip pressure is modified to the second nip pressure.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: April 5, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yusuke Mizuno, Fumitake Tajiri, Tokifumi Tanaka, Tomonori Watanabe, Sadaharu Kato, Hirotaka Imaeda
  • Publication number: 20220035283
    Abstract: In a fixing device, an endless belt is nipped between a roller and a nip-forming member, and a sheet is conveyed through a first nip region formed between the endless belt and the roller by the nip-forming member. A pair of conveyor rollers located downstream of the first nip region in a sheet conveyance direction are configured to convey the sheet through a second nip region formed therebetween. A sheet guide located between the roller and the pair of conveyor rollers includes a first guide which in a plane perpendicular to a rotation axis of the roller, intersects with a line tangent to an outer cylindrical surface of the roller at a downstream end of the first nip region, while an extension line of the first guide intersects with a line segment connecting the downstream end of the first nip region to an upstream end of the second nip region.
    Type: Application
    Filed: July 28, 2021
    Publication date: February 3, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shuhei FUKUE, Tatsuo OGASAWARA, Tokifumi TANAKA, Tomonori WATANABE
  • Publication number: 20220035284
    Abstract: An image forming apparatus includes a first fixing member, a second fixing member, and a controller. The second fixing member includes a first nip forming member and a second nip forming member each configured to nip an endless belt in combination with the first fixing member to form a nip region. A first end face on a first-fixing-member side of the first nip forming member is located closer, than a second end face on a first-fixing-member side of the second nip forming member, to the first fixing member. The controller is capable of executing a first printing process performed in a nip region formed between each of the first nip forming member and the second nip forming member and the first fixing member, and a second printing process performed in a nip region formed between only the first fixing member and the first fixing member.
    Type: Application
    Filed: July 22, 2021
    Publication date: February 3, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka Imaeda, Tomonori Watanabe, Tatsuo Ogasawara, Shuhei Fukue
  • Patent number: 11231665
    Abstract: A toner cartridge includes a casing, an auger rotatable about an axis extending in a first direction, an auger gear rotatable with the auger, an agitator aligned with the auger in a second direction, an agitator gear rotatable with the agitator, and a detection gear positioned opposite to the auger gear with respect to the agitator gear in the second direction. The detection gear is rotatable from a first position to a second position. At the first position, a through-hole or a cutout of the detection gear is positioned farther away from the auger than an outer surface of another end portion of the casing in the second direction is. At the second position, a portion of the detection gear different from the through-hole or the cutout is positioned farther away from the auger than the outer surface of the another end portion of the casing is.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 25, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hideshi Nishiyama, Naoya Kamimura, Tomonori Watanabe, Yasuo Fukamachi, Shinya Kusuda, Tomoya Yamamoto
  • Publication number: 20220004130
    Abstract: In a fixing device, a first fixing member and a second fixing member are configured to form a nip in combination, and an arm biased by a first spring with a first biasing force provides a nip pressure. A cam rotatably arranged to cause the arm to move against the first biasing force has a first cam surface used to change the nip pressure from a first pressure to a second pressure smaller than the first pressure, and a second cam surface of which an angle of action is greater than that of the first cam surface to change the nip pressure from the second pressure to a third pressure smaller than the second pressure. A maximum pressure angle at the second cam surface is smaller than a maximum pressure angle at the first cam surface.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Tomonori WATANABE
  • Patent number: 11196121
    Abstract: A battery is provided. The battery includes a battery enclosure that includes opposing top and bottom sides in a height direction, opposing left and right sides in a width direction, and opposing front and rear sides in a length direction. A first engaging portion extends in the length direction. A first lower surface is positioned on a plane between the top side and the bottom side in the height direction. A first rib is provided between a plane of the first engaging portion and the plane of the first lower surface in the height direction. A first upper surface is positioned on a plane between the top side and the bottom side in the height direction. A first wall is provided between the plane of the first lower surface and the plane of the first upper surface in the height direction.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: December 7, 2021
    Assignee: Sony Corporation
    Inventors: Mieko Hara, Toshio Takeshita, Yoichi Miyajima, Hiroaki Sato, Tomonori Watanabe, Naoki Kamaya
  • 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
  • Patent number: 11137703
    Abstract: In a fixing device, a first fixing member and a second fixing member are configured to form a nip in combination, and an arm biased by a first spring with a first biasing force provides a nip pressure. A cam rotatably arranged to cause the arm to move against the first biasing force has a first cam surface used to change the nip pressure from a first pressure to a second pressure smaller than the first pressure, and a second cam surface of which an angle of action is greater than that of the first cam surface to change the nip pressure from the second pressure to a third pressure smaller than the second pressure. A maximum pressure angle at the second cam surface is smaller than a maximum pressure angle at the first cam surface.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: October 5, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Tomonori Watanabe
  • Publication number: 20210302239
    Abstract: This power supply device (100) is provided with a power supply unit (10), a temperature sensor (28) for measuring the internal temperature of the power supply unit (10), a calculation circuit (22) for predicting an end-point temperature from the internal temperature of the power supply unit (10) measured by the temperature sensor (28) and the slope of the internal temperature rise and estimating a surrounding temperature on the basis of the end-point temperature and the load status of the power supply unit (10); and a display circuit (23) for displaying the surrounding temperature estimated by the calculation circuit (22).
    Type: Application
    Filed: June 5, 2019
    Publication date: September 30, 2021
    Applicant: OMRON Corporation
    Inventors: Masaaki NAGANO, Tomonori WATANABE
  • Publication number: 20210291848
    Abstract: An electric power supply apparatus includes a first power supply that supplies electric power to a first control device configured to control a vehicle, a second power supply that supplies electric power to a second control device configured to control the vehicle, a starter switch configured to be operated by an occupant, and an activation control unit that starts or stops the vehicle based on a change in voltage of the starter switch that occurs when the starter switch is operated, wherein the starter switch is in a state of being connected to the first power supply and the second power supply, and when the starter switch is operated, electric power is supplied to the starter switch from at least one of the first power supply and the second power supply.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 23, 2021
    Inventors: Takashi TSUJIOKA, Daisuke KONDO, Tomonori WATANABE, Osamu SATO, Yuki SEKIBA
  • 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: 11080952
    Abstract: A system and method for providing hands free operation of at least one vehicle door that include determining if a portable device is located within at least one local area polling zone of a vehicle. The system and method also include determining if the portable device is stationary for a predetermined period of time within the at least one local area polling zone of the vehicle and determining if the portable device is located outside of at least one door area zone of the vehicle, wherein the at least one door area zone of the vehicle includes a space that is occupied by the at least one vehicle door. The system and method supplying an amount of power to a motor associated with the at least one vehicle door to open or close the at least one vehicle door.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: August 3, 2021
    Assignee: Honda Motor Co., Ltd.
    Inventors: Wesley W. Kim, Brian K. Lickfelt, Douglas R. Reed, Emanuel Ulises Perez Zenteno, Tyler J. Rupp, Kentaro Yoshimura, Chyuan Y. Muh, Spencer A. Kennedy, Tomonori Watanabe
  • Publication number: 20210208529
    Abstract: A fixing device includes: a rotary body; a pressure body; a frame supporting the rotary body; and a pressure varying mechanism for providing a nip pressure to a nip region formed between the rotary body and the pressure body. The pressure varying mechanism includes a first spring and a second spring for urging one of the rotary body and the pressure body. The first spring applies a first urging force, and the second spring applies a second urging force acting in an opposite direction from the first urging force. The pressure varying mechanism can vary the nip pressure between a first nip pressure and a second nip pressure smaller than the first nip pressure. The nip pressure becomes the first nip pressure while only the first urging force is applied, and becomes the second nip pressure while both of the first urging force and the second urging force are applied.
    Type: Application
    Filed: March 24, 2021
    Publication date: July 8, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi HANDA, Tokifumi TANAKA, Shuhei FUKUE, Tomonori WATANABE
  • Publication number: 20210200126
    Abstract: In a fixing device, a first fixing member and a second fixing member are configured to form a nip in combination, and an arm biased by a first spring with a first biasing force provides a nip pressure. A cam rotatably arranged to cause the arm to move against the first biasing force has a first cam surface used to change the nip pressure from a first pressure to a second pressure smaller than the first pressure, and a second cam surface of which an angle of action is greater than that of the first cam surface to change the nip pressure from the second pressure to a third pressure smaller than the second pressure. A maximum pressure angle at the second cam surface is smaller than a maximum pressure angle at the first cam surface.
    Type: Application
    Filed: December 15, 2020
    Publication date: July 1, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Tomonori WATANABE
  • 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: 20210191296
    Abstract: In an image forming device, a first fixing member has a roller. A second fixing member has a belt to form a nip together with the first fixing member. A pressure modifying mechanism modifies a nip pressure at the nip to selected one of a first nip pressure and a second nip pressure smaller than the first nip pressure. A controller drives the first motor to drive the roller and fixes the developer image on a sheet in a state that the nip pressure is the first nip pressure. The controller modifies the nip pressure from the first nip pressure to the second nip pressure while driving the first motor in a case where a final sheet among one or more sheets fixed according to a print job has passed the nip, and halts the first motor after the nip pressure is modified to the second nip pressure.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 24, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yusuke MIZUNO, Fumitake TAJIRI, Tokifumi TANAKA, Tomonori WATANABE, Sadaharu KATO, Hirotaka IMAEDA