Patents by Inventor Naoaki Wada

Naoaki Wada 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: 11953708
    Abstract: A camera device includes a first filter configured to restrict a transverse wave component of incident light having light of a plurality of different wavelength bands generated based on birefringence in a car film from a vehicle to which the car film is adhered, a lens on which a vertical wave component of the incident light transmitted through the first filter is incident, a second filter configured to restrict a vertical wave component of the incident light in a visible region among the vertical wave component of the incident light imaged by the lens, and an imaging element configured to image the vehicle as a subject based on a vertical wave component of the incident light in a near-infrared region transmitted through the second filter.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: April 9, 2024
    Assignee: I-PRO CO., LTD.
    Inventors: Hideaki Yamada, Jyouji Wada, Toshiyuki Sano, Akito Omata, Yuma Kobayashi, Naoaki Tomisaka
  • Patent number: 11945235
    Abstract: There is provided a printing apparatus which includes the following: A printhead including a plurality of nozzles that discharge ink to a print medium. A first detection unit that detects a distance between the printhead and a platen. An adjustment unit that adjusts the distance between the printhead and the platen. An acquisition unit that acquires difference information concerning a difference of a distance between the platen and each of the nozzle on an upstream side and the nozzle on a downstream side in a conveyance direction of the print medium. The adjustment unit adjusts the distance based on a detection result of the first detection unit and the difference information acquired by the acquisition unit.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: April 2, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohito Abe, Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi
  • Patent number: 11926152
    Abstract: A printing apparatus includes a carriage mounted with a printing unit; a first motor configured to move the carriage in a predetermined direction; a second motor configured to move the carriage in the predetermined direction; and a control unit. The control unit executes a first mode in which, when causing the printing unit to perform printing under a first printing condition, the first motor is driven in a first direction and the second motor is driven in the first direction, and a second mode in which, when causing the printing unit to perform printing under a second printing condition different from the first printing condition, the first motor is driven in the first direction and the second motor is driven in the first direction while changing an output ratio between the first motor and the second motor.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: March 12, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryohei Maruyama, Daigo Kuronuma, Masakazu Nagashima, Tomohito Abe, Kenta Iimura, Hiromasa Yoneyama, Naoaki Wada, Kichinosuke Hirokawa, Akira Fujikake, Toshiaki Yamaguchi, Hideyuki Nozawa
  • Publication number: 20230098088
    Abstract: There is provided a printing apparatus which includes the following: A printhead including a plurality of nozzles that discharge ink to a print medium. A first detection unit that detects a distance between the printhead and a platen. An adjustment unit that adjusts the distance between the printhead and the platen. An acquisition unit that acquires difference information concerning a difference of a distance between the platen and each of the nozzle on an upstream side and the nozzle on a downstream side in a conveyance direction of the print medium. The adjustment unit adjusts the distance based on a detection result of the first detection unit and the difference information acquired by the acquisition unit.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Tomohito Abe, Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi
  • Patent number: 11524512
    Abstract: There is provided a printing apparatus which includes the following: A printhead including a plurality of nozzles that discharge ink to a print medium. A first detection unit that detects a distance between the printhead and a platen. An adjustment unit that adjusts the distance between the printhead and the platen. An acquisition unit that acquires difference information concerning a difference of a distance between the platen and each of the nozzle on an upstream side and the nozzle on a downstream side in a conveyance direction of the print medium. The adjustment unit adjusts the distance based on a detection result of the first detection unit and the difference information acquired by the acquisition unit.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: December 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohito Abe, Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi
  • Publication number: 20220363081
    Abstract: A printing apparatus include a carriage mounted with a printing unit, a belt, a first motor configured to drive the belt at one end in the widthwise direction, a second motor configured to drive the belt at the other end in the widthwise direction, and a control unit configured to control the first motor and the second motor. The control unit performs first control by driving the first motor in which the carriage moves from a state in which the carriage is stopped. In the first control, an output of the second motor is controlled from a first state lower than an output of the first motor to a second state higher than the first state.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 17, 2022
    Inventors: Tomohito Abe, Kenta Imura, Kichinosuke Hirokawa, Akira Fujikake, Toshiaki Yamaguchi, Daigo Kuronuma, Masakazu Nagashima, Naoaki Wada, Ryohei Maruyama, Hideyuki Nozawa, Hiromasa Yoneyama
  • Publication number: 20220363079
    Abstract: A printing apparatus includes a carriage mounted with a printing unit configured to perform printing on a print medium, a first motor used to move the carriage, a second motor used together with the first motor to move the carriage, and a control unit configured to control the first motor and the second motor. When moving the carriage, the control unit controls the first motor with a first control amount and controls the second motor with a second control amount. The first control amount and the second control amount are different from each other, and a ratio therebetween is a predetermined ratio.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 17, 2022
    Inventors: Naoaki Wada, Daigo Kuronuma, Masakazu Nagashima, Tomohito Abe, Ryohel Maruyama, Kenta limura, Hiromasa Yoneyama, Kichinosuke Hirokawa, Akira Fujikake, Toshiaki Yamaguchi, Hideyuki Nozawa
  • Publication number: 20220363078
    Abstract: A printing apparatus includes: a carriage mounted with a printing unit; a first motor configured to move the carriage in a predetermined direction; a second motor configure to move the carriage in the predetermined direction; and a control unit. The control unit executes a first mode in which, when causing the printing unit to perform printing under a first printing condition, the first motor is driven in a first direction and the second motor is driven in a second direction, and a second mode in which, when causing the printing unit to perform printing under a second printing condition different from the first printing condition, the first motor is driven in the first direction and the second motor is driven in the second direction while changing an output ratio between the first motor and the second motor.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 17, 2022
    Inventors: Ryohei Maruyama, Daigo Kuronuma, Masakazu Nagashima, Tomohito Abe, Kenta limura, Hiromasa Yoneyama, Naoaki Wada, Kichinosuke Hirokawa, Akira Fujikake, Toshiaki Yamaguchi, Hideyuki Nozawa
  • Patent number: 11376875
    Abstract: A printing apparatus including: a carriage having a print head and configured to be movable in an intersecting direction; a slitter unit configured to be movable in the intersecting direction and cut a roll sheet in a conveyance direction; a detection sensor mounted on the carriage and configured to detect a cut portion of the roll sheet that has been cut by the slitter unit; and a control unit configured to control the carriage to move after controlling the slitter unit to move and cut the roll sheet, so that the cut portion made by the slitter unit is detected by the detection sensor, and configured to control a moving distance of the carriage or the slitter, based on a first moving distance by which the slitter unit has moved and a second moving distance of the carriage at a timing where the detection sensor detects the cut portion.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 5, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Tomohito Abe, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi
  • Publication number: 20220097427
    Abstract: A carriage apparatus characterized by comprising a carriage configured to reciprocally move in a predetermined direction, a first motor arranged on a side of one end of a range of movement of the carriage and configured to drive the carriage, a second motor arranged on a side of the other end of the range of movement of the carriage, configured to drive the carriage, and has the same kind of driving characteristics as driving characteristics of the first motor, detection means for detecting a position of the carriage related to the predetermined direction, and control means for controlling driving of the first motor and the second motor by feeding back a detection result detected by the detection means.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Inventors: Tomohito Abe, Ryutaro Takahashi, Naoaki Wada, Daigo Kuronuma, Kenta Iimura, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi, Takahiro Daikoku
  • Publication number: 20220097429
    Abstract: The carriage apparatus includes a carriage configured to reciprocally move in a first direction, a first motor arranged on a side of one end of a range of movement of the carriage and configured to drive the carriage, a second motor arranged on a side of the other end of the range of movement of the carriage and configured to drive the carriage, a carriage belt suspended between the first motor and the second motor, attached with the carriage, and configured to move the carriage in the first direction, and a support portion configured to mount the second motor so that the second motor is displaceable in the first direction with respect to the first motor.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Inventors: Ryutaro Takahashi, Daigo Kuronuma, Naoaki Wada, Tomohito Abe, Kenta limura, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi
  • Publication number: 20220097405
    Abstract: A recording apparatus includes a carriage, a tank, a flow passage, and a valve. The carriage includes a recording head that ejects liquid contained in the tank and supplied from the flow passage. The flow passage includes (i) a fixed flow passage connected to the tank without following a movement of the carriage, (ii) a first flow passage that follows the movement of the carriage and is branched off from the fixed flow passage and connected to the recording head, and (iii) a second flow passage that follows the movement of the carriage and is branched off from the fixed flow passage and connected to the recording head. The valve is provided in one of the first and second flow passages and limits a flow of liquid from the tank to the recording head and allows liquid to flow from the recording head to the tank.
    Type: Application
    Filed: September 28, 2021
    Publication date: March 31, 2022
    Inventors: Ryohei Maruyama, Kenta Iimura, Daigo Kuronuma, Takaya Sato, Tomohito Abe, Naoaki Wada, Masakazu Nagashima, Toshiaki Yamaguchi, Ryutaro Takahashi
  • Publication number: 20220097390
    Abstract: A recording apparatus includes a carriage, a tank, and a flow passage. The carriage includes a liquid ejecting recording head and reciprocates in first and second directions. The flow passage supplies liquid from the tank to the recording head, and includes a fixed flow passage, a first flow passage, and a second flow passage. The fixed flow passage is connected to the tank and does not to follow a movement of the carriage. The first flow passage is branched off from the fixed flow passage, is connected to the recording head in the first direction, and follows the carriage movement. The second flow passage is branched off from the fixed flow passage, is connected to the recording head in the second direction, and follows the carriage movement. After the carriage moves in the first direction, stops, and moves in the second direction, liquid is sucked from the recording head.
    Type: Application
    Filed: September 28, 2021
    Publication date: March 31, 2022
    Inventors: Takaya Sato, Ryohei Maruyama, Daigo Kuronuma, Kenta Iimura, Tomohito Abe, Naoaki Wada, Masakazu Nagashima, Toshiaki Yamaguchi, Ryutaro Takahashi
  • Publication number: 20210394539
    Abstract: There is provided a printing apparatus which includes the following: A printhead including a plurality of nozzles that discharge ink to a print medium. A first detection unit that detects a distance between the printhead and a platen. An adjustment unit that adjusts the distance between the printhead and the platen. An acquisition unit that acquires difference information concerning a difference of a distance between the platen and each of the nozzle on an upstream side and the nozzle on a downstream side in a conveyance direction of the print medium. The adjustment unit adjusts the distance based on a detection result of the first detection unit and the difference information acquired by the acquisition unit.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 23, 2021
    Inventors: Tomohito Abe, Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi
  • Patent number: 11198302
    Abstract: An object of the present invention is to provide an ink jet printing apparatus that can reduce the time for the initial installment. In the present invention, in the initial installation, once an ink tank is attached to a printing apparatus main body, a notification unit makes a notification prompting attaching of a printing head during an operation of supplying ink from the ink tank to a reservoir tank.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: December 14, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoaki Wada, Noriyuki Aoki, Tomohito Abe, Daigo Kuronuma, Ryutaro Takahashi, Masakazu Nagashima, Ryohei Maruyama, Toshiaki Yamaguchi
  • Patent number: 11077670
    Abstract: According to an embodiment of this invention, an apparatus comprises: a detachable inktank containing ink; a subtank containing the ink supplied from the inktank; a printhead configured to discharge the ink supplied from the subtank; an ink supply path connecting the subtank to the printhead; a valve arranged on the ink supply path; a supply unit configured to supply the ink from the inktank to the subtank by repeatedly opening and closing the valve; a suction unit configured to suck the ink from the printhead; and a control unit configured to control, when the inktank is attached, the supply unit to operate for a predetermined number of times to supply the ink from the inktank to the subtank, and to subsequently control the suction unit to operate to supply the ink from the subtank to the printhead.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: August 3, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshimitsu Danzuka, Naoaki Wada, Kazuki Narumi, Tomoki Yamamuro, Hiroshi Taira, Akiko Aichi, Noboru Kunimine, Taku Yokozawa, Kazuo Suzuki, Kazuhiko Sato, Masataka Kato, Shin Genta, Hiroto Kango
  • Patent number: 11052681
    Abstract: An inkjet printing apparatus includes: a conveyance unit configured to convey a printing medium in a conveyance direction; a print head configured to print an image on the printing medium conveyed by the conveyance unit; and a slitter disposed on a downstream relative to the print head in the conveyance direction and configured to cut the printing medium in the conveyance direction in accordance with the conveyance by the conveyance unit, wherein the slitter is configured to cut the printing medium from a leading edge of the printing medium up to a predetermined position in accordance with the conveyance of the printing medium by the conveyance unit, and wherein the print head is configured to print the image in between the leading edge of the printing medium and the predetermined position in the conveyance direction after the printing medium is cut by the slitter.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 6, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiaki Yamaguchi, Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Tomohito Abe, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima
  • Patent number: 10828890
    Abstract: In an embodiment of the present invention, even though there is a print shift due to a gap between a nozzle in an upstream side and a nozzle in a downstream side of a printhead, a printing apparatus capable of precisely adjusting a slant of a printhead with respect to a conveyance direction in a nozzle surface of the printhead is provided. According to the embodiment, two adjustment patterns are printed at two different carriage speeds, respectively, and a print shift due to a slant of the nozzle surface of the printhead with respect to a conveyance direction of a print medium is adjusted based on these two print results.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: November 10, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Daigo Kuronuma, Masakazu Nagashima, Ryohei Maruyama, Tomohito Abe, Noriyuki Aoki, Naoaki Wada, Toshiaki Yamaguchi
  • Publication number: 20200338899
    Abstract: An object of the present invention is to provide an ink jet printing apparatus that can reduce the time for the initial installment. In the present invention, in the initial installation, once an ink tank is attached to a printing apparatus main body, a notification unit makes a notification prompting attaching of a printing head during an operation of supplying ink from the ink tank to a reservoir tank.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 29, 2020
    Inventors: Naoaki Wada, Noriyuki Aoki, Tomohito Abe, Daigo Kuronuma, Ryutaro Takahashi, Masakazu Nagashima, Ryohei Maruyama, Toshiaki Yamaguchi
  • Publication number: 20200307273
    Abstract: A printing apparatus including: a carriage having a print head and configured to be movable in an intersecting direction; a slitter unit configured to be movable in the intersecting direction and cut a roll sheet in a conveyance direction; a detection sensor mounted on the carriage and configured to detect a cut portion of the roll sheet that has been cut by the slitter unit; and a control unit configured to control the carriage to move after controlling the slitter unit to move and cut the roll sheet, so that the cut portion made by the slitter unit is detected by the detection sensor, and configured to control a moving distance of the carriage or the slitter, based on a first moving distance by which the slitter unit has moved and a second moving distance of the carriage at a timing where the detection sensor detects the cut portion.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventors: Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Tomohito Abe, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi