Patents by Inventor Takahiro Kitai

Takahiro Kitai 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: 11059729
    Abstract: A liquid treatment device that achieves an effective treatment by forcibly contacting a swirl flow of a hydrogen peroxide-containing treated liquid with a liquid to be treated that has been processed to contain copper ions or iron ions includes a rod-like first electrode, a plate-like second electrode formed of a copper- or iron-containing metal, and a first treatment vessel that causes a liquid to swirl and generate a gas phase in a swirl flow of the liquid. A pulse voltage is applied to the generated gas phase to generate a plasma. The second electrode serves as an anode, and reaches inside of a supply section for a liquid to be treated. The liquid to be treated containing the generated copper ions or iron ions is forcibly brought into contact with hydrogen peroxide generated by the plasma. In this way, the Fenton's reaction effectively takes place, and the liquid treatment performance improves.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: July 13, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takahiro Kitai, Genichiro Matsuda, Gaku Miyake, Yoshio Yamada, Naofumi Hino
  • Patent number: 10875790
    Abstract: An apparatus for producing reforming liquid includes a treatment tank in which an introduced liquid is swirled so as to generate a gas phase in the vicinity of a swirling center of a swirling flow of the liquid, a first electrode which has at least a portion which is disposed in the treatment tank and comes into contact with the liquid in the treatment tank, a second electrode which is disposed so as to come into contact with the liquid in the treatment tank and a power source which is configured to apply a voltage between the first electrode and the second electrode so as to generate plasma in the gas phase. A reformed liquid is produced in a manner that the plasma is generated in the gas phase so as to form a reformed component, and the formed reformed component is dissolved and dispersed in the liquid.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: December 29, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Gaku Miyake, Takahiro Kitai, Masanori Minamio, Yoshio Yamada, Genichiro Matsuda
  • Patent number: 10843942
    Abstract: There is provided a liquid treatment apparatus which includes a treatment tank which generates a gas phase in a swirling flow of liquid, by swirling an introduced liquid and which treats liquid by applying a pulse voltage to a generated gas phase to generate plasma, in which an insulator which is an insulating space forming member is disposed on a wall surface of one end of the treatment tank so as to prevent a swirling flow from being affected, faces the space connected via the through-hole of the insulator, and thus the first electrode is disposed.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: November 24, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Gaku Miyake, Yoshio Yamada, Genichiro Matsuda, Takahiro Kitai
  • Patent number: 10723638
    Abstract: A liquid treatment device includes a rod-shaped first electrode; a plate-shaped second electrode configured from a metal containing copper or iron; and a treatment vessel in which introduced liquid swirls, and generates a gas phase in a swirl flow of the liquid. A plasma is generated by applying a pulse voltage to the generated gas phase, and a negative DC voltage is applied between the first electrode and the second electrode serving as a cathode and an anode, respectively. Under the applied negative voltage, the plate-like second electrode generates copper ions or iron ions, and the copper or iron ions undergo Fenton's reaction with the hydrogen peroxide generated by the plasma so that liquid can be efficiently treated.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 28, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Genichiro Matsuda, Takahiro Kitai, Gaku Miyake, Yoshio Yamada
  • Patent number: 10723637
    Abstract: A liquid treatment apparatus including: a tubular treatment tank whose end along a central axis is closed and sectional shape orthogonal to the central axis is a circular shape; a first electrode disposed on one end of the central axis of the treatment tank and having a bar shape; a second electrode disposed on the other end thereof; a power supply applying voltage between the first electrode and the second electrode; a rotation mechanism rotating the first electrode about a central axis of the first electrode; and an air introduction portion introducing the liquid to the one end of the central axis of the treatment tank from a tangential direction of the circular sectional shape of the treatment tank, and causing liquid to swirl about the central axis of the treatment tank therein to generate a gas phase in a swirling flow of the liquid.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: July 28, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Genichiro Matsuda, Takahiro Kitai, Gaku Miyake, Yoshio Yamada
  • Patent number: 10610821
    Abstract: Plasma is generated in a gas phase in a processing tub to produce a reforming component, the produced reforming component is dissolved in a liquid and is dispersed in the liquid to produce a reforming liquid, the produced reforming liquid is discharged from the processing tub to be stored in the storage tub, and gas is supplied from a gas supplier into the reforming liquid in the storage tub. The supplied gas has a bubble shape, comes into contact with the reforming liquid stored in the storage tub, and is deodorized.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: April 7, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Gaku Miyake, Genichiro Matsuda, Takahiro Kitai, Yoshio Yamada
  • Patent number: 10561760
    Abstract: A space modification apparatus includes a treatment tank configured to generate a gas phase around a rotating center of a rotating flow of a liquid by rotating the liquid, a first electrode of which at least a part is in the treatment tank so as to be in contact with the liquid in the treatment tank, a second electrode in contact with the liquid in the treatment tank, and a power source configured to apply a voltage between the first electrode and the second electrode to generate plasma in the gas phase to generate modification components, the modification components being dissolved and dispersed in the liquid, and a modification liquid being generated and retained in a storage tank. The modification liquid is sprayed or scattered from a nozzle into a treatment target space via a supply pump in the form of mist.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: February 18, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takahiro Kitai, Genichiro Matsuda, Yoshio Yamada, Gaku Miyake
  • Publication number: 20200010340
    Abstract: There is provided a liquid treatment apparatus which includes a treatment tank which generates a gas phase in a swirling flow of liquid, by swirling an introduced liquid and which treats liquid by applying a pulse voltage to a generated gas phase to generate plasma, in which an insulator which is an insulating space forming member is disposed on a wall surface of one end of the treatment tank so as to prevent a swirling flow from being affected, faces the space connected via the through-hole of the insulator, and thus the first electrode is disposed.
    Type: Application
    Filed: February 1, 2018
    Publication date: January 9, 2020
    Inventors: GAKU MIYAKE, YOSHIO YAMADA, GENICHIRO MATSUDA, TAKAHIRO KITAI
  • Publication number: 20190256385
    Abstract: treatment apparatus including: a tubular treatment tank whose end along a central axis is closed and sectional shape orthogonal to the central axis is a circular shape; a first electrode disposed on one end of the central axis of the treatment tank and having a bar shape; a second electrode disposed on the other end thereof; a power supply applying voltage between the first electrode and the second electrode; a rotation mechanism rotating the first electrode about a central axis of the first electrode; and an air introduction portion introducing the liquid to the one end of the central axis of the treatment tank from a tangential direction of the circular sectional shape of the treatment tank, and causing liquid to swirl about the central axis of the treatment tank therein to generate a gas phase in a swirling flow of the liquid.
    Type: Application
    Filed: January 29, 2018
    Publication date: August 22, 2019
    Inventors: GENICHIRO MATSUDA, TAKAHIRO KITAI, GAKU MIYAKE, YOSHIO YAMADA
  • Publication number: 20190177187
    Abstract: A liquid treatment device that achieves an effective treatment by forcibly contacting a swirl flow of a hydrogen peroxide-containing treated liquid with a liquid to be treated that has been processed to contain copper ions or iron ions includes a rod-like first electrode, a plate-like second electrode formed of a copper- or iron-containing metal, and a first treatment vessel that causes a liquid to swirl and generate a gas phase in a swirl flow of the liquid. A pulse voltage is applied to the generated gas phase to generate a plasma. The second electrode serves as an anode, and reaches inside of a supply section for a liquid to be treated. The liquid to be treated containing the generated copper ions or iron ions is forcibly brought into contact with hydrogen peroxide generated by the plasma. In this way, the Fenton's reaction effectively takes place, and the liquid treatment performance improves.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 13, 2019
    Inventors: TAKAHIRO KITAI, GENICHIRO MATSUDA, GAKU MIYAKE, YOSHIO YAMADA, NAOFUMI HINO
  • Publication number: 20190169051
    Abstract: A liquid treatment device that can improve liquid treatment performance by taking advantage of the Fenton's reaction while efficiently generating plasma for liquid treatment, in addition to enabling stable plasma generation for extended time periods includes a first electrode that is rod-like in shape; a second electrode that is plate-like in shape and is configured from a metal containing copper or iron; and a treatment vessel in which introduced liquid swirls, and generates a gas phase in a swirl flow of the liquid. A plasma is generated by applying a pulse voltage to the generated gas phase, and a negative DC voltage is applied between the first electrode and the second electrode serving as a cathode and an anode, respectively. Under the applied negative voltage, the plate-like second electrode generates copper ions or iron ions, and the copper or iron ions undergo Fenton's reaction with the hydrogen peroxide generated by the plasma so that liquid can be efficiently treated.
    Type: Application
    Filed: November 14, 2018
    Publication date: June 6, 2019
    Inventors: GENICHIRO MATSUDA, TAKAHIRO KITAI, GAKU MIYAKE, YOSHIO YAMADA
  • Publication number: 20180345210
    Abstract: Plasma is generated in a gas phase in a processing tub to produce a reforming component, the produced reforming component is dissolved in a liquid and is dispersed in the liquid to produce a reforming liquid, the produced reforming liquid is discharged from the processing tub to be stored in the storage tub, and gas is supplied from a gas supplier into the reforming liquid in the storage tub. The supplied gas has a bubble shape, comes into contact with the reforming liquid stored in the storage tub, and is deodorized.
    Type: Application
    Filed: April 18, 2018
    Publication date: December 6, 2018
    Inventors: GAKU MIYAKE, GENICHIRO MATSUDA, TAKAHIRO KITAI, YOSHIO YAMADA
  • Publication number: 20180344889
    Abstract: There are provided a treatment tank generating a gas phase around a rotating center of a rotating flow of a liquid by rotating the introduced liquid, a first electrode whose at least a part is disposed in the treatment tank and in contact with a liquid in the treatment tank, a second electrode disposed so as to be in contact with the liquid in the treatment tank, and a power source applying a voltage between the first electrode and the second electrode to generate plasma in a gas phase, the plasma is generated in the gas phase to generate modification components, the generated modification components are dissolved and dispersed in the liquid, and a modification liquid is generated and retained in the storage tank. The modification liquid is sprayed or scattered from a nozzle into a treatment target space via a supply pump in the form of mist.
    Type: Application
    Filed: April 20, 2018
    Publication date: December 6, 2018
    Inventors: TAKAHIRO KITAI, GENICHIRO MATSUDA, YOSHIO YAMADA, GAKU MIYAKE
  • Publication number: 20180327284
    Abstract: A washing machine rinse water purification device and washing apparatus including the washing machine rinse water purification device. The washing machine rinse water purification device includes a first liquid supplier, a processing tub, a buffer tub and a washing tub. In the first liquid supplier, a first liquid introduced from an introduction portion into a processing tub is swirled from an introduction portion to a discharge portion to generate a swirling flow, plasma is generated in a gas phase to produce a reforming component, the produced reforming component is dissolved in the first liquid and is dispersed in the first liquid to produce a reforming liquid, the produced reforming liquid temporarily passes through a buffer tub from a discharge portion and then is supplied into a washing tub as a second liquid.
    Type: Application
    Filed: April 11, 2018
    Publication date: November 15, 2018
    Inventors: GAKU MIYAKE, GENICHIRO MATSUDA, TAKAHIRO KITAI, YOSHIO YAMADA
  • Publication number: 20180230027
    Abstract: An apparatus for producing reforming liquid includes a treatment tank in which an introduced liquid is swirled so as to generate a gas phase in the vicinity of a swirling center of a swirling flow of the liquid, a first electrode which has at least a portion which is disposed in the treatment tank and comes into contact with the liquid in the treatment tank, a second electrode which is disposed so as to come into contact with the liquid in the treatment tank and a power source which is configured to apply a voltage between the first electrode and the second electrode so as to generate plasma in the gas phase. A reformed liquid is produced in a manner that the plasma is generated in the gas phase so as to form a reformed component, and the formed reformed component is dissolved and dispersed in the liquid.
    Type: Application
    Filed: May 17, 2017
    Publication date: August 16, 2018
    Inventors: GAKU MIYAKE, TAKAHIRO KITAI, MASANORI MINAMIO, YOSHIO YAMADA, GENICHIRO MATSUDA
  • Patent number: 8444005
    Abstract: In a lid opening/closing apparatus of an electronic device according to the present invention, a lid is supported on a housing through a slide type pivot mechanism, and can reciprocate among a fully closed position, a slide position, and a fully open position. The slide type pivot mechanism comprises: an axis part projecting from the base end part of the lid; an arm plate part formed on the housing; an engagement receiving part formed on the arm plate part and to be engaged with the axis part of the lid; a bearing part formed on the arm plate part and supporting the axis part of the lid rotatably; and a holding part formed on the housing, holding the axis part of the lid between the holding part and the arm plate part, and allowing the axis part to slide. The arm plate part is elastically deformable.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: May 21, 2013
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Yasutoshi Kawai, Takahiro Kitai
  • Patent number: 8081488
    Abstract: A portable electronic device includes: a casing provided therein with a battery compartment, the battery compartment being given an opening for the installation of the battery; a cover body pivotally supported on the casing to open and close the opening; a spring part for causing the battery inside the battery compartment to be spring-biased in a direction toward the opening; a lock lever provided to the casing, the lock lever being capable of moving back and forth between a locking position entering the opening and a lock releasing position retreating from the opening, while being spring-biased in a direction from the lock releasing position to the locking position; and a pressure applying part formed on the inner surface of the cover body, the pressure applying part pressing the lock lever placed in the lock releasing position toward the locking position immediately before the cover body is completely closed.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: December 20, 2011
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Yasuhiro Kondo, Takahiro Kitai
  • Publication number: 20110155453
    Abstract: A video camera according to an embodiment of this invention includes a chassis that is fixed within a casing, a CMOS image sensor that is installed in the chassis, and a heat releasing member that releases heat generated from the CMOS image sensor to outside the casing. The heat releasing member extends along at least an area of one part of an inner face of the casing, and is adjacent to or in contact with the area. One part of the chassis contacts the rear face of the heat releasing member.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 30, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Yasutoshi Kawai, Takahiro Kitai
  • Publication number: 20110156551
    Abstract: In a casing structure of an electronic apparatus according to the present invention, a chassis is installed inside a casing. The casing includes a metal cabinet component and a resin cabinet component that are provided on two sides of the chassis so as to be coupled with each other. A tongue piece that protrudes in a direction approaching the resin cabinet component is formed in the metal cabinet component. A latching hole is formed in the tongue piece. A latching claw capable of penetrating the latching hole of the tongue piece is protrudingly provided in the resin cabinet component. The resin cabinet component is latched to the metal cabinet component by the latching claw penetrating the latching hole in a direction from the outer side of the tongue piece towards the inner side of the casing.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 30, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Naoto Akiyama, Takahiro Kitai
  • Publication number: 20110157798
    Abstract: The present invention provides a portable electronic apparatus in which a control circuit that controls an apparatus operation and/or an integrated circuit that generates heat when driven are provided in a casing having a grip portion to be gripped by a hand, wherein the control circuit and/or the integrated circuit are placed in a region different from an inner region of the grip portion, in an inner region of the casing.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 30, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Yasutoshi Kawai, Takahiro Kitai, Yasuhiro Kato