Patents Assigned to Miura Co., LTD.,
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Publication number: 20240123371Abstract: Provided is an extraction column (1) including a first column (10) having an adsorbent layer (100) and a second column (20) detachably coupled to the first column (10) and filled with a trapping layer (200) containing zirconium oxide in a powder grain form. After a solution containing an organic halogen compound and an impurity has been added to the adsorbent layer (100), an aliphatic hydrocarbon solvent is supplied to and passes through the adsorbent layer (100) and the trapping layer (200) in this order. At this point, the impurity in the solution is treated in the adsorbent layer (100), and the organic halogen compound in the solution is dissolved in the aliphatic hydrocarbon solvent and passes through the adsorbent layer (100). Then, the organic halogen compound is trapped in the trapping layer (200). After passage of the aliphatic hydrocarbon solvent, an extraction solvent is supplied to the second column (20) separated from the first column (10).Type: ApplicationFiled: September 22, 2021Publication date: April 18, 2024Applicant: MIURA CO., LTD.Inventors: Ayato KAWASHIMA, Kenji INABA, Yuka MAKITA, Yuko MATSUDAIRA
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Publication number: 20240125466Abstract: Provided is a boiler including a heat generation body, a container including the heat generation body, and a water pipe to be heated by heat generated by the heat generation body under environment where the inside of the container is filled with gas with higher specific heat than that of air.Type: ApplicationFiled: October 25, 2019Publication date: April 18, 2024Applicants: MIURA CO., LTD., Clean Planet Inc.Inventors: Kazuyuki OTANI, Nobuyuki ISHIZAKI
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Patent number: 11766497Abstract: A sterilizing method for sterilizing a sterilization object housed in a chamber 11 includes an ozone preparation step S504 for filling an inside of a buffer tank 34 with ozone gas, and an ozone injection step S505 for injecting the ozone gas filled in the inside of the buffer tank 34 into the chamber 11.Type: GrantFiled: February 18, 2021Date of Patent: September 26, 2023Assignee: MIURA CO., LTD.Inventors: Yuichi Takahashi, Tomoyuki Mizobe, Kenichi Matsuo, Junji Yamamura, Yasuo Nakamura
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Patent number: 11766494Abstract: A sterilizing method for sterilizing a sterilization object housed in a chamber 11 includes a first vapor injection step S502 for injecting vapor produced from a first aqueous solution of hydrogen peroxide to an inside of the chamber 11, an ozone injection step S505 for injecting ozone gas to the inside of the chamber 11 after the first vapor injection step S502, and a second vapor injection step S507 for injecting vapor produced from a second aqueous solution of hydrogen peroxide to the inside of the chamber 11 after the ozone injection step S505. A total amount of the hydrogen peroxide included in the second aqueous solution is smaller than or equal to a total amount of the hydrogen peroxide included in the first aqueous solution.Type: GrantFiled: February 24, 2021Date of Patent: September 26, 2023Assignee: MIURA CO., LTD.Inventors: Yuichi Takahashi, Tomoyuki Mizobe
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Patent number: 11759537Abstract: A sterilizing method for sterilizing a sterilization object housed in a chamber (11) includes a first vapor injection step (S104) of injecting vapor produced from a first aqueous solution of hydrogen peroxide to the inside of the chamber (11), an ozone injection step (S107) of injecting ozone gas to the inside of the chamber (11) after the first vapor injection step (S104), and a second vapor injection step (S109) of injecting vapor produced from pure water or vapor produced from a second aqueous solution of hydrogen peroxide to the inside of the chamber (11) after the ozone injection step (S107).Type: GrantFiled: March 14, 2019Date of Patent: September 19, 2023Assignee: MIURA CO., LTD.Inventors: Kenichi Matsuo, Junji Yamamura, Yasuo Nakamura
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Publication number: 20230141766Abstract: A sterilizing method includes a preliminary decompression step (S200) of decompressing the inside of a chamber (11) with respect to an atmospheric pressure after a sterilization object wrapped with a wrapping member made from a material that absorbs ozone gas and hydrogen peroxide is housed in the chamber (11), an ozone adsorption step (S300) of injecting ozone gas to the inside of the chamber (11) under a decompressed state achieved in the preliminary decompression step (S200) to cause the ozone gas to be adsorbed to the wrapping member, and a sterilization step (S500) of sterilizing the sterilization object using the zone gas and hydrogen peroxide after the ozone adsorption step (S300).Type: ApplicationFiled: June 26, 2020Publication date: May 11, 2023Applicant: MIURA CO., LTD.Inventors: Yuichi TAKAHASHI, Tomoyuki MIZOBE, Masahiro OCHI, Yuuki HASHIGUCHI, Kenichi MATSUO, Junji YAMAMURA, Yasuo NAKAMURA
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Publication number: 20230115895Abstract: A sterilizing method for sterilizing a sterilization object housed in a chamber (11) includes a first vapor injection step (S502) of injecting vapor produced from an aqueous solution of hydrogen peroxide to an inside of the chamber (11), an ozone injection step (S505) of injecting ozone gas to the inside of the chamber (11) after the first vapor injection step (S502), and a second vapor injection step (S507) of injecting vapor produced from water or vapor produced from a solution containing a volatile component to the inside of the chamber (11) after the ozone injection step (S505).Type: ApplicationFiled: March 27, 2020Publication date: April 13, 2023Applicant: MIURA CO., LTD.Inventors: Yuichi TAKAHASHI, Tomoyuki MIZOBE
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Patent number: 11371695Abstract: Provided is a boiler for heating fluid by a heat generation unit including heat generation bodies in a container, the boiler being able to moderately heat fluid according to various situations while heat generated by the heat generation bodies can be efficiently utilized. A boiler for heating fluid by using heat generated by heat generation bodies includes the heat generation bodies and a container having the heat generation bodies inside and configured such that the inside of the container is filled with gas with higher specific heat than that of air. The boiler includes a controller configured to control a heat generation amount of the heat generation body under a situation where the gas has been supplied into the container.Type: GrantFiled: October 7, 2020Date of Patent: June 28, 2022Assignees: MIURA CO., LTD., Clean Planet Inc.Inventors: Kazuyuki Otani, Nobuyuki Ishizaki, Kazunobu Inoue, Hidetaka Yamamoto
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Patent number: 11326772Abstract: Provided is a boiler configured to perform heating by a heat generation section provided with heat generation bodies in a container and capable of properly charging a circulation path including, as part thereof, the inside of the container with required gas. A boiler includes: heat generation bodies; a container configured such that the heat generation bodies are provided inside and configured chargeable with gas with higher specific heat than that of air; and a circulation path including, as part thereof, the inside of the container, the circulation path being a path in which gas circulates. When the charging process of charging the circulation path with the gas is performed, a circulation amount and a gas concentration in the circulation path are monitored.Type: GrantFiled: February 19, 2021Date of Patent: May 10, 2022Assignees: MIURA CO., LTD., Clean Planet Inc.Inventors: Kazuyuki Otani, Kenichi Katakawa
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Publication number: 20220082534Abstract: In a standing pipe body (210), an adsorbent layer (240) filled with active magnesium silicate as an adsorbent and an alumina layer (250) positioned therebelow are arranged. A sample solution containing dioxins is applied into the pipe body (210) from the top, and an aliphatic hydrocarbon solvent is subsequently supplied into the pipe body (210) from the top. The aliphatic hydrocarbon solvent having dissolved dioxins in the sample solution passes through the adsorbent layer (240) and the alumina layer (250) in this order, and is discharged from a bottom of the pipe body (210). At this point, a dioxin group including non-ortho PCBs, PCDDs, and PCDFs is selectively trapped by the adsorbent layer (240), and mono-ortho PCBs are selectively trapped by the alumina layer (250).Type: ApplicationFiled: January 14, 2020Publication date: March 17, 2022Applicant: MIURA CO., LTD.Inventors: Hiroyuki FUJITA, Koichi SUGA
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Publication number: 20220065445Abstract: The combustion apparatus includes a burner configured to generate flame, an ignition section configured to generate spark for igniting the burner, a flame detection section configured to detect the presence or absence of the flame of the burner, and a flame determination section configured to determine, based on a detection result of the flame detection section in a preset determination period, whether or not the flame is generated at the burner. When a predetermined condition is satisfied based on the detection result of the flame detection section in the determination period, the flame determination section determines that the flame is generated. The ignition section generates the spark across a particular period, in which the predetermined condition is not satisfied, of the determination period, and does not generate the spark in the remaining period of the determination period.Type: ApplicationFiled: June 18, 2021Publication date: March 3, 2022Applicant: MIURA CO., LTD.Inventor: Keisuke KAMEI
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Publication number: 20220041471Abstract: To provide a ballast water treatment apparatus capable of determining a proper operation mode. According to the present invention, a ballast water treatment apparatus includes a flow rate adjustment section configured to adjust the treatment flow rate of the flowing ballast water, an ultraviolet reactor capable of adjusting an ultraviolet irradiation amount, a transmittance acquisition section configured to acquire the ultraviolet transmittance of the flowing ballast water, and a control section configured to control the flow rate adjustment section and the ultraviolet reactor in one operation mode selected from multiple operation modes. In each of the multiple operation modes, the treatment flow rate and the ultraviolet irradiation amount are defined for each ultraviolet transmittance.Type: ApplicationFiled: June 4, 2021Publication date: February 10, 2022Applicant: MIURA CO., LTD.Inventor: Atsuyuki MANABE
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Publication number: 20220001058Abstract: A sterilizing method for sterilizing a sterilization object housed in a chamber (11) includes a first vapor injection step (S104) of injecting vapor produced from a first aqueous solution of hydrogen peroxide to the inside of the chamber (11), an ozone injection step (S107) of injecting ozone gas to the inside of the chamber (11) after the first vapor injection step (S104), and a second vapor injection step (S109) of injecting vapor produced from pure water or vapor produced from a second aqueous solution of hydrogen peroxide to the inside of the chamber (11) after the ozone injection step (S107).Type: ApplicationFiled: March 14, 2019Publication date: January 6, 2022Applicant: MIURA CO., LTD.Inventors: Kenichi MATSUO, Junji YAMAMURA, Yasuo NAKAMURA
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Publication number: 20210299312Abstract: A sterilizing method for sterilizing a sterilization object housed in a chamber 11 includes an ozone preparation step S504 for filling an inside of a buffer tank 34 with ozone gas, and an ozone injection step S505 for injecting the ozone gas filled in the inside of the buffer tank 34 into the chamber 11.Type: ApplicationFiled: February 18, 2021Publication date: September 30, 2021Applicant: MIURA CO., LTD.Inventors: Yuichi TAKAHASHI, Tomoyuki MIZOBE, Kenichi MATSUO, Junji YAMAMURA, Yasuo NAKAMURA
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Publication number: 20210299306Abstract: A sterilizing method for sterilizing a sterilization object housed in a chamber 11 includes a first vapor injection step S502 for injecting vapor produced from a first aqueous solution of hydrogen peroxide to an inside of the chamber 11, an ozone injection step S505 for injecting ozone gas to the inside of the chamber 11 after the first vapor injection step S502, and a second vapor injection step S507 for injecting vapor produced from a second aqueous solution of hydrogen peroxide to the inside of the chamber 11 after the ozone injection step S505. A total amount of the hydrogen peroxide included in the second aqueous solution is smaller than or equal to a total amount of the hydrogen peroxide included in the first aqueous solution.Type: ApplicationFiled: February 24, 2021Publication date: September 30, 2021Applicant: MIURA CO., LTD.Inventors: Yuichi TAKAHASHI, Tomoyuki MIZOBE
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Publication number: 20210285634Abstract: Provided is a boiler configured to perform heating by a heat generation section provided with heat generation bodies in a container and capable of properly charging a circulation path including, as part thereof, the inside of the container with required gas. A boiler includes: heat generation bodies; a container configured such that the heat generation bodies are provided inside and configured chargeable with gas with higher specific heat than that of air; and a circulation path including, as part thereof, the inside of the container, the circulation path being a path in which gas circulates. When the charging process of charging the circulation path with the gas is performed, a circulation amount and a gas concentration in the circulation path are monitored.Type: ApplicationFiled: February 19, 2021Publication date: September 16, 2021Applicant: MIURA CO., LTD.Inventors: Kazuyuki Otani, Kenichi Katakawa
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Publication number: 20210262655Abstract: A supply-water warming system includes a steam compression heat pump circuit, a heat recovery heat exchanger, a heat source fluid line in which heat source fluid flows in the heat recovery heat exchanger and the evaporator in this order, a water supply line in which supply water flows in the heat recovery heat exchanger and the condenser in this order, a refrigerant flow rate adjustment section controlled based on the superheat degree of gas refrigerant flowing into the compressor and configured to adjust a refrigerant flow rate, a supply water flow rate adjustment section controlled based on the tapping temperature of the supply water flowing out of the condenser and configured to adjust a supply water flow rate, and a control section configured to control the refrigerant flow rate adjustment section and the supply water flow rate adjustment section.Type: ApplicationFiled: December 14, 2020Publication date: August 26, 2021Applicant: MIURA CO., LTD.Inventors: Kazuma ISA, Satoru OSHITA, Kazuyuki OTANI, Tomoya OZAWA, Masayoshi KANAMARU
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Publication number: 20210123868Abstract: In this reagent composition for measuring the pH of test water, methyl red with an acid dissociation constant (pKa) of 5.1, phenol red with a pKa of 7.7 which is greater than that of methyl red, and bromocresol purple with a pKa of 6.3 which is between those of methyl red and phenol red are dissolved at prescribed ratios in a diol, such as ethylene glycol. With respect to test water to which the reagent composition has been added, absorbances at three wavelengths of a wavelength selected from a range of from 410 to 430 nm, a wavelength selected from a range of from 515 to 535 nm, and a wavelength selected from a range of from 580 to 600 nm are measured, and the pH of the test water is determined based on the absorbances. In this way, it is possible to measure the pH of the test water in a range of from 4 to 9.Type: ApplicationFiled: June 28, 2019Publication date: April 29, 2021Applicant: MIURA CO., LTD.Inventors: Yusuke HAMADA, Yuki ISHIHARA
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Publication number: 20210123869Abstract: A reagent composition prepared by dissolving, in a diol such as ethylene glycol, prescribed ratios of methyl red with an acid dissociation constant (pKa) of 5.1, phenol red with a pKa of 7.7 which is greater than that of methyl red, and bromocresol purple with a pKa of 6.3 which is between those of methyl red and phenol red is added to test water. With respect to the test water to which the reagent composition has been added, absorbances at three wavelengths of a wavelength selected from a range of from 410 to 430 nm, a wavelength selected from a range of from 515 to 535 nm, and a wavelength selected from a range of from 580 to 600 nm are measured, and the pH of the test water is determined based on the absorbances. In this way, it is possible to measure the pH of the test water in a range of from 4 to 9.Type: ApplicationFiled: June 28, 2019Publication date: April 29, 2021Applicant: MIURA CO., LTD.Inventors: Yusuke HAMADA, Yuki ISHIHARA
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Publication number: 20210123596Abstract: Provided is a boiler for heating fluid by a heat generation unit including heat generation bodies in a container, the boiler being able to moderately heat fluid according to various situations while heat generated by the heat generation bodies can be efficiently utilized. A boiler for heating fluid by using heat generated by heat generation bodies includes the heat generation bodies and a container having the heat generation bodies inside and configured such that the inside of the container is filled with gas with higher specific heat than that of air. The boiler includes a controller configured to control a heat generation amount of the heat generation body under a situation where the gas has been supplied into the container.Type: ApplicationFiled: October 7, 2020Publication date: April 29, 2021Applicant: MIURA CO., LTD.Inventors: Kazuyuki OTANI, Nobuyuki ISHIZAKI, Kazunobu INOUE, Hidetaka YAMAMOTO