Patents by Inventor Keisuke Naito

Keisuke Naito 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: 20240148925
    Abstract: An apparatus for inactivating bacteria or viruses in a space, the apparatus includes a light source unit that emits ultraviolet light having a peak wavelength within a wavelength range of 190 nm or more and less than 240 nm, an irradiation region changing mechanism that changes an irradiation direction of the ultraviolet light of the light source unit, and a driving unit that drives the irradiation region changing mechanism to change the irradiation direction of the ultraviolet light of the light source unit.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 9, 2024
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventors: Keisuke NAITO, Tatsushi IGARASHI, Kyosuke FUJINA
  • Patent number: 11942612
    Abstract: In a battery system, a battery module includes a plurality of cells. A management unit manages charging-discharging of the battery module and a temperature inside the battery module. The management unit estimates a maximum temperature of an inside of a cell in the battery module based on a measured temperature in the battery module, and controls, during charging-discharging of the battery module, a charging-discharging current of the battery module and/or cooling of the battery module in such a way that the estimated maximum temperature does not exceed an upper limit temperature.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: March 26, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroshi Fujikawa, Shinichi Yuasa, Yoshito Kaga, Keisuke Naito
  • Publication number: 20240042077
    Abstract: Provided is a method of inactivating bacteria and/or viruses in a target space using ultraviolet light having wavelengths less than 240 nm, while suppressing the progress of deterioration of a plant. The present invention is a method of inactivating bacteria and/or viruses in a target space where a plant is placed, the method includes a process (a) of irradiating the target space with ultraviolet light having light intensity in a wavelength band belonging to within a range from 190 nm to 235 nm from an ultraviolet light source during a time period when the plant is irradiated with sunlight or visible light from an illumination light source.
    Type: Application
    Filed: December 28, 2021
    Publication date: February 8, 2024
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke Naito
  • Publication number: 20240024524
    Abstract: The ultraviolet light irradiation device includes a light source section having a light emission surface emitting ultraviolet light having a wavelength band from 190 nm to 235 nm, a controller that controls lighting of the light source section, and a distance sensor that measures a separation distance from the light emission surface to an object facing the light emission surface. The controller is provided with a plurality of lighting operation modes. Each of the plurality of lighting operation modes is determined corresponding to a section defined by the separation distance, and is set such that an amount of the ultraviolet light emitted from the light source section differs from each other. The controller controls to switch the lighting operation mode based on a signal from the distance sensor.
    Type: Application
    Filed: November 19, 2021
    Publication date: January 25, 2024
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventors: Keisuke Naito, Shoichi Terada, Kenichi Sabatake
  • Patent number: 11843128
    Abstract: A cell module includes a plurality of cells that each have a cylindrical shape and include a positive-electrode terminal and a negative-electrode terminal disposed on one end of the cell. One of the terminals is located at a center, and the other terminal is located on a circumferential edge and is electrically connected to a side surface of a tube of each of the cells, a connection intervening member mounted on the other terminal includes a tab extending along the side surface of the tube and electrically connected to the side surface, and a hole that causes the center of the one end to be exposed.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: December 12, 2023
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Koichi Sawada, Takeshi Nagao, Jiro Muratsu, Keisuke Naito
  • Publication number: 20230256126
    Abstract: Provided are an inactivation method and an inactivation system designed to produce a desired inactivating effect with increased reliability using ultraviolet light that has an extremely small influence on the human body. A method for inactivating bacteria or viruses in a space defined includes a step of irradiating of an inner wall surface, a floor surface in the space or a surface of an object disposed in the space where a specified substance displaying at least one of antibacterial and antiviral characteristics is present with ultraviolet light having a wavelength within a range of 190 nm or more and less than 240 nm.
    Type: Application
    Filed: February 8, 2023
    Publication date: August 17, 2023
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke NAITO
  • Publication number: 20230248857
    Abstract: Provided is an ultraviolet light irradiation device that is capable of causing effective inactivation of microorganisms as well as a method of using the ultraviolet light irradiation device. An ultraviolet light irradiation device includes a light source that radiates ultraviolet light with a wavelength in a range of 190 nm to 235 nm; a housing that houses the light source; an extracting portion that extracts the ultraviolet light that is radiated from the light source and causes it to be directed toward an exterior of the housing; and a diffusing member that diffuses the ultraviolet light.
    Type: Application
    Filed: August 20, 2021
    Publication date: August 10, 2023
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventors: Keisuke NAITO, Hideaki YAGYU, Akihiro KUNO, Shigeki FUJISAWA
  • Patent number: 11705593
    Abstract: A rack type power source device includes a plurality of battery packs, a rack to house the plurality of battery packs being arranged, and a connector plate fixed to the rack at a far side in a direction in which the battery packs are inserted into the rack. The connector plate is provided with a plurality of connectors designed to be electrically connected to terminals of the plurality of battery packs. The connector plate includes a side wall that constitutes a part of a first-side wall of the rack, and a connector mount wall disposed at an inner position in the rack so as to form a depth difference from the side wall. The connector mount wall is provided with the plurality of connectors arranged corresponding to the battery packs housed in the rack.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 18, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Keisuke Naito, Takashi Hasegawa
  • Publication number: 20230203782
    Abstract: A working machine includes first and second traveling pumps, an acquirer to acquire the number of revolutions and the rotation direction of each of first and second traveling motors, a determiner to, based on the acquired number of revolutions and the acquired rotation direction, determine whether a machine body is in a straight traveling state or a turn traveling state, and a controller configured or programmed to, when switching from a first state allowing rotation speeds of the first and second traveling motors to increase up to a first maximum speed, to a second state allowing the rotation speeds to increase up to a second maximum speed higher than the first maximum speed, or vice versa, is performed, reduce an amount of hydraulic fluid supply from the pumps to the motors according to the straight traveling state or the turn traveling state of the machine body.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 29, 2023
    Applicant: KUBOTA CORPORATION
    Inventors: Kazuki UEDA, Keisuke NAITO, Ryota HAMAMOTO
  • Publication number: 20230194112
    Abstract: Provided is a method for decomposing nicotine in a simple way. A method for decomposing nicotine, according to the present invention, includes a step(a) of irradiating ultraviolet light with a main peak wavelength of 200 nm to 230 nm in a target room allowing smoking to decompose the nicotine.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 22, 2023
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke NAITO
  • Publication number: 20230147787
    Abstract: Provided are a gas treatment method and a gas treatment device that enable efficient treatment of a VOC-containing gas to be treated by using ultraviolet light with a main emission wavelength of 180 nm or less. This method is a method for treating a gas to be treated containing a mixture of air and a substance that is a type of VOC and that is subjected to treatment by causing the gas to be treated to flow through a treatment space. A light source designed to emit ultraviolet light having a main emission wavelength of 160 nm to 180 nm is located in the treatment space, and the gas to be treated is passed through a gap with a separation distance of 10 mm or less from a light-emitting area of the light source at a flow velocity of 23 m/s or less.
    Type: Application
    Filed: June 24, 2020
    Publication date: May 11, 2023
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke NAITO
  • Patent number: 11642548
    Abstract: Provided a method of sterilization by ultraviolet irradiation whereby effects on the human body can be mitigated and an odor that arises after ultraviolet irradiation can be controlled. The sterilization method includes: a step (a) of irradiating a skin of a hand or arm with ultraviolet having a wavelength of 200 nm or more and 230 nm or less; and a step (b) of applying a topical skin preparation, cosmetic, or aqueous solution containing at least one amino acid or amino acid derivative selected from an amino acid group A to a region of the skin irradiated with the ultraviolet. The amino acid group A includes valine, leucine, isoleucine, glutamic acid, arginine, serine, aspartic acid, proline, and glycine.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: May 9, 2023
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke Naito
  • Publication number: 20230130283
    Abstract: Provided is a bacteriostatic method for suppressing the proliferation of a bacterium while reducing the influence on a human body. The bacteriostatic method is for suppressing a proliferation of a bacterium in a target region and includes a step (a) for irradiating the target region with ultraviolet light having a main peak wavelength of 200 nm to 230 nm inclusive at an average irradiance equal to or less than DMax (?W/cm2) defined by Formula (1): DMax=9391.1×exp(?0.043?)??(1) where ? is the main peak wavelength (nm).
    Type: Application
    Filed: February 15, 2021
    Publication date: April 27, 2023
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke NAITO
  • Patent number: 11583801
    Abstract: A gas treatment device that treats a gas to be treated, including oxygen, introduced at a gas inlet and that exhausts a treated gas at a gas outlet, the gas treatment device includes: a gas channel that communicates the gas inlet with the gas outlet; a blower that allows the gas to be treated to flow from the gas inlet to the gas outlet; an ultraviolet light source that is disposed in the gas channel and radiates ultraviolet light having a wavelength of 230 nm or less; a filter that is disposed at a side at which the gas outlet is located from the ultraviolet light source in the gas channel, and that adsorbs at least ozone; and a control unit that controls the blower to operate, wherein the control unit controls the blower to start a blowing operation after the ultraviolet light source starts radiating the ultraviolet light.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: February 21, 2023
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke Naito
  • Patent number: 11478562
    Abstract: A technique is provided whereby hydrogen peroxide introduced into a working chamber containing a resin component is reduced to a low concentration in a shorter time than before. The present invention resides in a method of maintaining a sterile environment of a working chamber that contains a resin component, and includes a step (a) of introducing hydrogen peroxide into the working chamber, a step (b) of introducing air into the working chamber through a filter after completion of the step (a), a step (c) of generating ozone by irradiating the air with ultraviolet having a peak wavelength of from 160 nm to less than 200 nm upstream of the filter or inside the working chamber and introducing the ozone into the working chamber, and a step (d) of decomposing the ozone introduced into the working chamber into oxygen radicals.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: October 25, 2022
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke Naito
  • Publication number: 20220212143
    Abstract: A gas treatment device that treats a gas to be treated, including oxygen, introduced at a gas inlet and that exhausts a treated gas at a gas outlet, the gas treatment device includes: a gas channel that communicates the gas inlet with the gas outlet; a blower that allows the gas to be treated to flow from the gas inlet to the gas outlet; an ultraviolet light source that is disposed in the gas channel and radiates ultraviolet light having a wavelength of 230 nm or less; a filter that is disposed at a side at which the gas outlet is located from the ultraviolet light source in the gas channel, and that adsorbs at least ozone; and a control unit that controls the blower to operate, wherein the control unit controls the blower to start a blowing operation after the ultraviolet light source starts radiating the ultraviolet light.
    Type: Application
    Filed: May 8, 2020
    Publication date: July 7, 2022
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke Naito
  • Publication number: 20220123395
    Abstract: A battery including: a battery can including a cylinder portion including an opening edge portion at one end portion of the cylinder portion and a bottom portion that closes the other end portion of the cylinder portion; an electrode body; a sealing member that seals an opening of the opening edge portion. The sealing member includes: a sealing plate; a cap connected to the sealing plate and electrically insulated from the sealing plate; and a sealing portion sealing a space between the cylinder portion and the cap. The cap includes: a ring-shaped top plate portion opposing the opening edge portion in an axial direction of the cylinder portion; and a side wall portion covering an outer circumferential surface of the cylinder portion. The sealing portion may be a gasket provided between the cap and the cylinder portion in a compressed state. The cap is electrically connected to the cylinder portion.
    Type: Application
    Filed: November 29, 2019
    Publication date: April 21, 2022
    Inventors: Kazutoshi KOHIRA, Keisuke NAITO, Shinya GESHI, Hiroshi TAKASAKI, Kazumichi SHIMIZU
  • Patent number: 11305990
    Abstract: The present invention has as its object the provision of a processing method that can perform a sterilization process and a deodorization process utilizing ozone with high efficiency, without humidification of a target object. A processing method of the present invention includes obtaining an ozone-containing gas by irradiating an ozone material gas with ozone generation light that does not include light in an ozone decomposition wavelength range and does include light having a wavelength of not more than 200 nm; and exposing a target object to the obtained ozone-containing gas in a low humidity condition having a relative humidity of not more than 55% to process the target object.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: April 19, 2022
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke Naito
  • Publication number: 20220062473
    Abstract: A lighting device having a function of inactivating bacteria or viruses includes a first light source for emitting ultraviolet light with a peak wavelength in a wavelength band of 200 nm or more and less than 240 nm and with light intensity suppressed in a wavelength band of 250 nm or more and less than 400 nm, and a second light source that is composed of an LED element for emitting white light for illumination.
    Type: Application
    Filed: August 5, 2021
    Publication date: March 3, 2022
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventors: Keisuke Naito, Hideaki Yagyu, Tatsushi Igarashi, Hiroyuki Ohashi
  • Publication number: 20220016286
    Abstract: A sterilization status detection method of the present invention includes: a step (a) of irradiating an object with first ultraviolet light having a major emission wavelength of 200 nm or more and 230 nm or less; a step (b) of detecting a decomposition product released from the object after the step (a); and a step (c) of determining that sterilization treatment is necessary to the object when a detection intensity exceeds a threshold value, the detection intensity being an intensity of a detection signal in accordance with a detection concentration of the decomposition product detected at the step (b).
    Type: Application
    Filed: March 27, 2020
    Publication date: January 20, 2022
    Applicant: Ushio Denki Kabushiki Kaisha
    Inventor: Keisuke Naito