Patents by Inventor Masahiko Kubota

Masahiko Kubota 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: 11938503
    Abstract: An ultrafine bubble (UFB)-containing liquid manufacturing apparatus includes a liquid ejecting unit having a thermal energy generating element, a flow path for leading liquid to the thermal energy generating element, a driving unit configured to drive the thermal energy generating element, and an ejection opening. The UFB-containing liquid manufacturing apparatus also includes a collecting unit configured to collect liquid ejected from the ejection opening. The driving unit drives the thermal energy generating element to cause film boiling in liquid led to the flow path and causes liquid containing ultrafine bubbles generated by the film boiling to be ejected from the ejection opening.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: March 26, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Takahashi, Masahiko Kubota, Ikuo Nakazawa, Akitoshi Yamada, Nobuhisa Tanahashi
  • Patent number: 11772005
    Abstract: Provided is a method of producing an ultrafine bubble-containing liquid containing ultrafine bubbles generated by causing film boiling in a liquid with a heat generation member, including: detaching a solid present at a liquid contact surface of the heat generation member in a form of a microscopic substance by using the film boiling; and generating ultrafine bubbles with the detached microscopic substance as a core.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: October 3, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshiyuki Imanaka, Masahiko Kubota, Akitoshi Yamada, Akira Yamamoto, Yumi Yanai, Teruo Ozaki, Toshio Kashino, Hiroyuki Ishinaga
  • Patent number: 11766685
    Abstract: Ultrafine bubbles with a diameter of less than 1.0 ?m are generated in liquid by causing film boiling in liquid by means of a heater.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: September 26, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiko Kubota, Kenji Takahashi, Ikuo Nakazawa, Akitoshi Yamada, Nobuhisa Tanahashi, Yoshio Kinoshita
  • Patent number: 11759723
    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: Grant
    Filed: February 27, 2020
    Date of Patent: September 19, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Ishinaga, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Teruo Ozaki
  • Patent number: 11759756
    Abstract: In order to efficiently produce a liquid containing ultrafine bubbles of a desired gas, an ultrafine bubble-containing liquid producing apparatus includes a gas dissolving unit that dissolves a predetermined gas into a liquid, and a UFB generating unit that generates ultrafine bubbles in the liquid in which the predetermined gas is dissolved. A CPU performs control under a first condition in a case of causing the gas dissolving unit to operate in a circulation route passing through the dissolving unit. The CPU performs control under a second condition different from the first condition in a case of causing the UFB generating unit to operate in a circulation route passing through the UFB generating unit.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: September 19, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Akira Yamamoto, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroyuki Ishinaga, Teruo Ozaki, Toshio Kashino, Ikuo Nakazawa, Hiroaki Mihara, Hiroyuki Shimoyama
  • Patent number: 11673101
    Abstract: The present invention provides an ultrafine bubble-containing liquid producing apparatus capable of reducing the possibility of intermitting supply of a UFB-containing liquid. An ultrafine bubble-containing liquid producing apparatus includes producing units that produce an ultrafine bubble-containing liquid containing ultrafine bubbles by using a liquid supplied from a liquid introducing unit and deliver the produced ultrafine bubble-containing liquid to a liquid delivering unit. The producing units include a plurality of ultrafine bubble generating units capable of operating independently. Each of the plurality of ultrafine bubble generating units is provided to be capable of independently switching between communicating with and being disconnected from the liquid introducing unit and the liquid delivering unit.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: June 13, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Akitoshi Yamada, Masahiko Kubota, Akira Yamamoto, Yoshiyuki Imanaka, Yumi Yanai, Hiroyuki Ishinaga, Teruo Ozaki, Toshio Kashino
  • Patent number: 11602719
    Abstract: Provided is a UFB generating apparatus capable of manufacturing an ozone UFB-contained liquid with high purity and quality. To this end, in the UFB generating apparatus capable of generating UFBs containing ozone by causing film boiling in ozone water, a liquid contact portion to come into contact with the ozone water is made of a material with corrosion resistance to ozone water.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: March 14, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Toshio Kashino, Yoshiyuki Imanaka, Masahiko Kubota, Akitoshi Yamada, Akira Yamamoto, Yumi Yanai, Teruo Ozaki, Hiroyuki Ishinaga
  • Patent number: 11590757
    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 around 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: Grant
    Filed: December 7, 2020
    Date of Patent: February 28, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Arimizu, Yoshinori Itoh, Motomi Tsuyuki, Yusuke Imahashi, Arihito Miyakoshi, Yasushi Iijima, Hideo Sugimura, Takashi Horiba, Akira Fujikake, Masahiko Kubota
  • Patent number: 11571671
    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: Grant
    Filed: February 27, 2020
    Date of Patent: February 7, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshiyuki Imanaka, Masahiko Kubota, Akitoshi Yamada, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20220331755
    Abstract: Provided is an ultra-fine bubble-containing liquid manufacturing apparatus that can suppress viable cell contamination inside a UFB generating unit. To this end, it is provided with an ultra-fine bubble generating unit that generates an ultra-fine bubble by making film boiling by a heating unit in a liquid in which a gas is dissolved, and a radiating unit that is capable of irradiating a wetted portion of the ultra-fine bubble generating unit with ultraviolet rays.
    Type: Application
    Filed: March 9, 2022
    Publication date: October 20, 2022
    Inventors: Hiroyuki Shimoyama, Masahiko Kubota, Hiroaki Mihara, Akira Yamamoto, Ikuo Nakazawa, Toshio Kashino
  • Publication number: 20220323917
    Abstract: A manufacturing apparatus for a solidified matter of an ultra-fine bubble (UFB)-containing liquid includes: a UFB generating unit that generates the UFB-containing liquid; and a cooling unit that generates the solidified matter of the UFB-containing liquid by cooling the UFB-containing liquid. The cooling unit cools the ultra-fine bubble-containing liquid such that a first solidified portion and a second solidified portion at a lower ultra-fine bubble concentration than that of the first solidified portion are formed in the solidified matter.
    Type: Application
    Filed: March 9, 2022
    Publication date: October 13, 2022
    Inventors: Toshio Kashino, Masahiko Kubota, Akira Yamamoto, Hiroaki Mihara, Hiroyuki Shimoyama, Ikuo Nakazawa
  • Publication number: 20220323915
    Abstract: An ultra-fine bubble-containing liquid generating apparatus (UFB-containing liquid generating apparatus) includes a dissolving unit that generates a gas dissolving liquid and an ultra-fine bubble generating unit that generates ultra-fine bubbles in the gas dissolving liquid. Additionally, the UFB-containing liquid generating apparatus includes a temperature controlling unit that controls at least one of temperatures of the dissolving unit and the ultra-fine bubble generating unit such that the temperature of the ultra-fine bubble generating unit is equal to or lower than the temperature of the dissolving unit.
    Type: Application
    Filed: March 28, 2022
    Publication date: October 13, 2022
    Inventors: Hiroaki Mihara, Masahiko Kubota, Akira Yamamoto, Ikuo Nakazawa, Hiroyuki Shimoyama, Toshio Kashino
  • Publication number: 20220288542
    Abstract: An object of the present disclosure is to provide a manufacturing apparatus of an ultra fine bubble-contained liquid that can be utilized effectively because high concentration ultra fine bubbles are maintained for a long time at the time of manufacturing of the ultra fine bubble-contained liquid. One embodiment of the present invention is a manufacturing apparatus of an ultra fine bubble-contained liquid, which includes: a container having a gas supply port through which gas is introduced and a liquid supply port through which a liquid is introduced; and a generation unit inside the container, which is configured to cause an ultra fine bubble to occur in the liquid in which the gas is dissolved.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 15, 2022
    Inventors: Masahiko Kubota, Akira Yamamoto, Ikuo Nakazawa, Hiroaki Mihara, Hiroyuki Shimoyama, Toshio Kashino
  • Patent number: 11426996
    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: Grant
    Filed: February 27, 2020
    Date of Patent: August 30, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroshi Arimizu, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20220258107
    Abstract: A generating method for generating a UFB at a desired component ratio, and a manufacturing apparatus and a manufacturing method for a liquid containing a UFB at a desired component ratio are provided. To this end, a mixed solution in which multiple types of gases are dissolved at a predetermined ratio is generated, and a UFB is generated by heating the mixed solution with a heating element.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 18, 2022
    Inventors: Hiroyuki Ishinaga, Masahiko Kubota, Akitoshi Yamada, Akira Yamamoto, Yoshiyuki Imanaka, Yumi Yanai, Teruo Ozaki, Toshio Kashino
  • Publication number: 20220250015
    Abstract: Provided is a generating method for generating an ultra-fine bubble-containing liquid in which multiple types of UFB s of different gas components are mixed at a desired concentration ratio, and a manufacturing apparatus for a liquid containing ultra-fine bubbles. Multiple types of UFB-containing liquids are generated for each gas contained by the UFBs, and the UFB-containing liquids are mixed with each other based on a mix proportion of a desired UFB concentration.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 11, 2022
    Inventors: Toshio Kashino, Masahiko Kubota, Akitoshi Yamada, Akira Yamamoto, Yoshiyuki Imanaka, Yumi Yanai, Hiroyuki Ishinaga, Teruo Ozaki
  • Publication number: 20220251487
    Abstract: A large amount of three-dimensional cells are efficiently produced. To this end, a cell is cultured by using a culture medium containing an ultra-fine bubble generated by heating a heating element to make film boiling on an interface between a liquid W and the heating element.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 11, 2022
    Inventors: Masahiko Kubota, Akira Yamamoto, Toshio Kashino, Teruo Ozaki, Hiroyuki Ishinaga, Akitoshi Yamada, Yumi Yanai, Yoshiyuki Imanaka
  • Publication number: 20220241737
    Abstract: Provided are a method for producing an ultra-fine bubble-containing liquid, an ultra-fine bubble-containing liquid, and a method for utilizing and a device for utilizing ultra-fine bubbles that allow highly concentrated UFBs to be maintained for a long period of time and that are capable of effectively utilizing the UFBs. To this end, the method for producing an ultra-fine bubble-containing liquid includes an ultra-fine bubble generating step and a dispersing step to disperse the ultra-fine bubbles. In the ultra-fine bubble generating step, the ultra-fine bubbles are generated in a liquid by heating a heating element and making film boiling on an interface between the liquid and the heating element. In the dispersing step, a floc, which includes two or more ultra-fine bubbles, is dispersed into multiple ultra-fine bubbles by applying vibration to the liquid in which the floc floats.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 4, 2022
    Inventors: Masahiko Kubota, Akira Yamamoto, Toshio Kashino, Yoshiyuki Imanaka, Teruo Ozaki, Akitoshi Yamada, Yumi Yanai, Hiroyuki Ishinaga
  • Patent number: 11369926
    Abstract: An object of the present disclosure is to improve the generation efficiency of a UFB-contained liquid in a generation apparatus having a circulation mechanism. One embodiment of the present invention is an ultra fine bubble generation apparatus including: a first tank that stores a liquid; a generation unit configured to generate an ultra fine bubble in the liquid output from the first tank; a second tank that stores the liquid output from the generation unit; and a liquid passage that inputs again the liquid stored in the second tank to the first tank, and the ultra fine bubble generation apparatus includes a blocking configuration that blocks an ultra fine bubble included in the stored liquid from being input again to the first tank.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: June 28, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yumi Yanai, Masahiko Kubota, Akira Yamamoto, Yoshiyuki Imanaka, Akitoshi Yamada, Hiroyuki Ishinaga, Teruo Ozaki, Toshio Kashino, Ikuo Nakazawa
  • Patent number: 11364474
    Abstract: Provided is an ultrafine bubble generating method and an ultrafine bubble generating apparatus capable of efficiently generating a UFB-containing liquid with high purity. To this end, a flow passage inner volume is varied by using a flow passage inner volume varying element, the liquid is pressurized such that the liquid passes through a narrow portion at high speed and flows into a depressurizing area.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: June 21, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Ishinaga, Masahiko Kubota, Akira Yamamoto, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Teruo Ozaki, Toshio Kashino