Patents by Inventor Hiroshi Arimizu

Hiroshi Arimizu 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).

  • Publication number: 20210379547
    Abstract: Provided is a UFB generating apparatus that is capable of efficiently generating a UFB-containing liquid with high purity by controlling generation of UFBs in the liquid. A UFB generating apparatus includes a driving unit that drives a heating element included in a heating unit to generate film boiling in the liquid in contact with the heating element, and a control unit that controls driving conditions of the heating element by the driving unit.
    Type: Application
    Filed: August 20, 2021
    Publication date: December 9, 2021
    Inventors: Akitoshi Yamada, Masahiko Kubota, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Patent number: 11179652
    Abstract: Provided is an UFB generating apparatus and an UFB generating method capable of efficiently generating an UFB-containing liquid with high purity. To this end, the ultrafine bubble generating apparatus includes a pre-processing unit that performs predetermined pre-processing on a liquid W and a generating unit that generates ultrafine bubbles in the liquid on which the pre-processing is performed. The generating unit generates the ultrafine bubbles by causing a heating element, which is provided in the liquid on which the pre-processing is performed, to generate heat to generate film boiling on an interface between the liquid and the heating element.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: November 23, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20210170754
    Abstract: A discharge apparatus includes a discharge unit configured to discharge a liquid to a medium a suction unit and a supply unit configured to supply a gas to the suction unit. The suction unit includes an opening facing the medium, and a suction groove including an arc-shaped inner wall surface inside the opening and configured to suck mist on the medium. An outlet portion configured to blow out the gas supplied from the supply unit toward the inner wall surface is provided in the opening.
    Type: Application
    Filed: December 7, 2020
    Publication date: June 10, 2021
    Inventors: Hiroshi Arimizu, Yoshinori Itoh, Motomi Tsuyuki, Yusuke Imahashi, Arihito Miyakoshi, Yasushi Iijima, Hideo Sugimura, Takashi Horiba, Akira Fujikake, Masahiko Kubota
  • Publication number: 20200276550
    Abstract: Provided is an ultrafine bubble generating apparatus that generates ultrafine bubbles by generating film boiling by causing a heater provided in a liquid to generate heat, the ultrafine bubble generating apparatus including: an element substrate including a first heater that generates the film boiling in the liquid and a second heater that is arranged adjacent to the first heater, in which the first heater and the second heater are driven in different timings.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Yoshiyuki Imanaka, Masahiko Kubota, Akitoshi Yamada, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20200276511
    Abstract: Provided are an ultrafine bubble generating apparatus and an ultrafine bubble generating method that can efficiently generate a UFB-containing liquid with high purity and can extend lifetime of the apparatus additionally. To this end, a shape of a bubble during generation thereof is partially restricted by forming walls around a heating element, and a position in which the bubble disappears is displaced from a position of the heating element.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Teruo Ozaki, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga
  • Publication number: 20200276513
    Abstract: In the present invention, a UFB generating apparatus includes: a target concentration setting unit that sets a target concentration of ultrafine bubbles to be contained in a liquid; a driving unit that drives the heating element to cause film boiling in the liquid to generate the ultrafine bubbles; a generation time setting unit that sets a target generation time required for generating a predetermined amount of the liquid having the target concentration; and a controlling unit that controls the driving unit to adjust a generation speed of the ultrafine bubbles in accordance with the target concentration and the target generation time.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Yumi Yanai, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20200278111
    Abstract: An ultrafine bubble generating apparatus that generates ultrafine bubbles by causing a heating element to generate film boiling in a liquid, includes: an element substrate including a heating part provided with multiple heating elements, in which, in the case where an energy for generating the film boiling by each of the multiple heating elements is set to a first value, the element substrate being configured so that the energy inputted to the heating element driven in the heating part is equal to or more than a value obtained by multiplying the first value by a second value and falls within a range from the value to a value obtained by multiplying the first value by a sum of the second value and 0.3, the second value being 1 or more.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Yoshiyuki Imanaka, Masahiko Kubota, Akitoshi Yamada, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20200276516
    Abstract: An ultrafine bubble generating apparatus that generates ultrafine bubbles by causing a heating element to generate film boiling in a liquid includes: an element substrate including a heating part provided with multiple heating elements, in which the element substrate is configured to suppress variation of energies inputted to the heating elements in the heating part.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Yoshiyuki Imanaka, Masahiko Kubota, Akitoshi Yamada, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20200276803
    Abstract: The present invention provides a fine bubble generating apparatus capable of generating fine bubbles efficiently. The present invention includes a fluid flow passage that includes a narrow portion in at least a part thereof, a heating part capable of heating a liquid flowing through the fluid flow passage, and a controlling unit that controls the heating part. The controlling unit controls the heating part to generate film boiling in the liquid to generate ultrafine bubbles.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Hiroshi Arimizu, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20200276515
    Abstract: Provided is an UFB generating apparatus and an UFB generating method capable of efficiently generating an UFB-containing liquid with high purity. To this end, the ultrafine bubble generating apparatus includes a pre-processing unit that performs predetermined pre-processing on a liquid W and a generating unit that generates ultrafine bubbles in the liquid on which the pre-processing is performed. The generating unit generates the ultrafine bubbles by causing a heating element, which is provided in the liquid on which the pre-processing is performed, to generate heat to generate film boiling on an interface between the liquid and the heating element.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20200276512
    Abstract: Provided is an ultrafine bubble generating apparatus and an ultrafine bubble generating method capable of efficiently generating UFBs with high purity. To this end, a chamber is formed by providing a wall, a lid substrate, and an electrode pad on an element substrate in a form of a wafer.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Teruo Ozaki, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga
  • Publication number: 20200276804
    Abstract: Provided is an UFB generating apparatus and an UFB generating method capable of efficiently generating an UFB-containing liquid with high purity. The ultrafine bubble generating apparatus includes a generating unit that generates ultrafine bubbles in a liquid and a post-processing unit that performs predetermined post-processing on the ultrafine bubble-containing liquid generated by the generating unit. The generating unit generates the ultrafine bubbles by causing a heating element, which is provided in the liquid on which the pre-processing is performed, to generate heat to generate film boiling on an interface between the liquid and the heating element.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20200276514
    Abstract: An ultrafine bubble generating apparatus and an ultrafine bubble generating method capable of efficiently generating an ultrafine bubble-containing liquid with high purity are provided. In order to this, a heating element provided in a liquid is caused to generate heat, and film boiling is made on an interface between the liquid and the heating element. A film boiling bubble is generated by the film boiling, and ultrafine bubbles are thus generated near the film boiling bubble.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Inventors: Hiroyuki Ishinaga, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Teruo Ozaki
  • Patent number: 10549554
    Abstract: A platen includes: a supporting portion that can support a sheet; a suction unit that sucks the sheet in such a manner as to attach the sheet to the supporting portion; a first ink receiver that receives ink ejected downstream of the leading end of the sheet passing the supporting portion; and a second ink receiver that receives ink ejected upstream of the trailing end of the sheet passing the supporting portion.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: February 4, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuji Kurata, Seiji Ogasawara, Masakazu Tsukuda, Takahide Onuma, Yasunori Saito, Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Patent number: 10350902
    Abstract: A collection unit configured to collect ink mist generated due to a discharge of ink from a head configured to discharge the ink includes a filter for capturing the ink mist and a liquid supply portion configured to supply a liquid to the filter.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: July 16, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Hiroshi Arimizu, Yoshinori Itoh, Hideo Sugimura, Takashi Horiba, Akira Fujikake
  • Publication number: 20190009567
    Abstract: A collection unit configured to collect ink mist generated due to a discharge of ink from a head configured to discharge the ink includes a filter for capturing the ink mist and a liquid supply portion configured to supply a liquid to the filter.
    Type: Application
    Filed: June 28, 2018
    Publication date: January 10, 2019
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Hiroshi Arimizu, Yoshinori Itoh, Hideo Sugimura, Takashi Horiba, Akira Fujikake
  • Patent number: 10155388
    Abstract: A blowout port for gas is efficiently configured without impairing mist collection performance. Two blowout ports for gas are adjacent to each other by interposing a partition. An end of the partition is provided at a position near a deep side of the two blowout ports relative to ends of the two blowout ports so as to form a step.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: December 18, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Imahashi, Masahiko Kubota, Hiroshi Arimizu, Nobuhito Yamaguchi, Arihito Miyakoshi, Yoshinori Itoh
  • Patent number: 10150297
    Abstract: A printing apparatus according to the present invention includes a plurality of ejection heads for ejecting liquid and a plurality of mist collection units configured to collect mist generated by the ejection heads that are disposed along a medium conveyance direction. The plurality of mist collection units include a first mist collection unit. The first mist collection unit is provided to be inclined to the upstream side of a medium conveyance direction with regard to a perpendicular line perpendicular to a floor. The first mist collection unit has a liquid retention part disposed at the upstream side than an ink mist suction hole.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: December 11, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Arimizu, Shinya Asano, Yusuke Imahashi, Masahiko Kubota, Arihito Miyakoshi, Yoshinori Itoh
  • Patent number: 10144217
    Abstract: Gas is ejected toward a region between a liquid ejection head and a recording medium so as to enlarge and stabilize a vortex generated by an airflow generated by liquid droplets ejected from ejection ports. Accordingly, an airflow turbulence generated between the liquid ejection head and the recording medium is reduced and displacements of positions at which the liquid droplets are applied due to the airflow turbulence are reduced.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: December 4, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Arihito Miyakoshi, Ken Tsuchii, Nobuhito Yamaguchi, Hiroshi Arimizu, Yumi Komamiya, Koichi Ishida
  • Publication number: 20180339530
    Abstract: A platen includes: a supporting portion that can support a sheet; a suction unit that sucks the sheet in such a manner as to attach the sheet to the supporting portion; a first ink receiver that receives ink ejected downstream of the leading end of the sheet passing the supporting portion; and a second ink receiver that receives ink ejected upstream of the trailing end of the sheet passing the supporting portion.
    Type: Application
    Filed: August 7, 2018
    Publication date: November 29, 2018
    Inventors: Tetsuji Kurata, Seiji Ogasawara, Masakazu Tsukuda, Takahide Onuma, Yasunori Saito, Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh