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).
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Publication number: 20240148925Abstract: 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: ApplicationFiled: January 24, 2022Publication date: May 9, 2024Applicant: Ushio Denki Kabushiki KaishaInventors: Keisuke NAITO, Tatsushi IGARASHI, Kyosuke FUJINA
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Patent number: 11942612Abstract: 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: GrantFiled: May 8, 2019Date of Patent: March 26, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroshi Fujikawa, Shinichi Yuasa, Yoshito Kaga, Keisuke Naito
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Publication number: 20240042077Abstract: 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: ApplicationFiled: December 28, 2021Publication date: February 8, 2024Applicant: Ushio Denki Kabushiki KaishaInventor: Keisuke Naito
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Publication number: 20240024524Abstract: 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: ApplicationFiled: November 19, 2021Publication date: January 25, 2024Applicant: Ushio Denki Kabushiki KaishaInventors: Keisuke Naito, Shoichi Terada, Kenichi Sabatake
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Patent number: 11843128Abstract: 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: GrantFiled: February 8, 2019Date of Patent: December 12, 2023Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Koichi Sawada, Takeshi Nagao, Jiro Muratsu, Keisuke Naito
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Publication number: 20230256126Abstract: 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: ApplicationFiled: February 8, 2023Publication date: August 17, 2023Applicant: Ushio Denki Kabushiki KaishaInventor: Keisuke NAITO
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Publication number: 20230248857Abstract: 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: ApplicationFiled: August 20, 2021Publication date: August 10, 2023Applicant: Ushio Denki Kabushiki KaishaInventors: Keisuke NAITO, Hideaki YAGYU, Akihiro KUNO, Shigeki FUJISAWA
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Patent number: 11705593Abstract: 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: GrantFiled: December 13, 2017Date of Patent: July 18, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Keisuke Naito, Takashi Hasegawa
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Publication number: 20230203782Abstract: 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: ApplicationFiled: December 5, 2022Publication date: June 29, 2023Applicant: KUBOTA CORPORATIONInventors: Kazuki UEDA, Keisuke NAITO, Ryota HAMAMOTO
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Publication number: 20230194112Abstract: 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: ApplicationFiled: February 12, 2021Publication date: June 22, 2023Applicant: Ushio Denki Kabushiki KaishaInventor: Keisuke NAITO
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Publication number: 20230147787Abstract: 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: ApplicationFiled: June 24, 2020Publication date: May 11, 2023Applicant: Ushio Denki Kabushiki KaishaInventor: Keisuke NAITO
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Patent number: 11642548Abstract: 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: GrantFiled: August 6, 2021Date of Patent: May 9, 2023Assignee: Ushio Denki Kabushiki KaishaInventor: Keisuke Naito
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Publication number: 20230130283Abstract: 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: ApplicationFiled: February 15, 2021Publication date: April 27, 2023Applicant: Ushio Denki Kabushiki KaishaInventor: Keisuke NAITO
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Patent number: 11583801Abstract: 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: GrantFiled: May 8, 2020Date of Patent: February 21, 2023Assignee: Ushio Denki Kabushiki KaishaInventor: Keisuke Naito
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Patent number: 11478562Abstract: 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: GrantFiled: May 12, 2020Date of Patent: October 25, 2022Assignee: Ushio Denki Kabushiki KaishaInventor: Keisuke Naito
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Publication number: 20220212143Abstract: 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: ApplicationFiled: May 8, 2020Publication date: July 7, 2022Applicant: Ushio Denki Kabushiki KaishaInventor: Keisuke Naito
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Publication number: 20220123395Abstract: 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: ApplicationFiled: November 29, 2019Publication date: April 21, 2022Inventors: Kazutoshi KOHIRA, Keisuke NAITO, Shinya GESHI, Hiroshi TAKASAKI, Kazumichi SHIMIZU
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Patent number: 11305990Abstract: 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: GrantFiled: February 27, 2018Date of Patent: April 19, 2022Assignee: Ushio Denki Kabushiki KaishaInventor: Keisuke Naito
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Publication number: 20220062473Abstract: 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: ApplicationFiled: August 5, 2021Publication date: March 3, 2022Applicant: Ushio Denki Kabushiki KaishaInventors: Keisuke Naito, Hideaki Yagyu, Tatsushi Igarashi, Hiroyuki Ohashi
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Publication number: 20220016286Abstract: 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: ApplicationFiled: March 27, 2020Publication date: January 20, 2022Applicant: Ushio Denki Kabushiki KaishaInventor: Keisuke Naito