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1. 发明授权

US10786586B2 Microbe inactivation processing device and cell activation processing device 有权
公开(公告)号：US10786586B2
公开(公告)日：2020-09-29
申请号：US16232547
申请日：2018-12-26
申请人： Ushio Denki Kabushiki Kaisha
发明人： Tatsushi Igarashi
IPC分类号： A61L2/10 , G02B5/20
摘要： Disclosed are a microbe inactivation processing device that can perform inactivation processing of microbes, while damage to human body cells is prevented or inhibited, with an efficient use of light emitted from a light source and the obtainment of a large effective irradiation area. Also provided are a cell activation processing device that can reliably activate target cells with high efficiency. The microbe inactivation processing device includes: a light source configured to emit light having a wavelength within a wavelength range of 190 nm to 237 nm; a power supply unit configured to supply electric power to the light source; a control unit configured to control the power supply unit; and an optical filter. The microbe inactivation processing device is configured to perform inactivation processing of a target microbe by applying the light emitted from the light source through the optical filter. When the light emitted from the light source is incident at an incident angle of 0°, the optical filter transmits at least a part of ultraviolet light having a wavelength within a range of not lower than 190 nm and not more than 230 nm, and transmits at least a part of ultraviolet light having a wavelength within a range of more than 230 nm and not more than 237 nm, and the optical filter blocks transmission of ultraviolet light having a wavelength out of a wavelength range of not lower than 190 nm and not more than 237 nm.

2. 发明申请

US20220062473A1 LIGHTING DEVICE HAVING FUNCTION OF INACTIVATING BACTERIA OR VIRUSES 有权
公开(公告)号：US20220062473A1
公开(公告)日：2022-03-03
申请号：US17394948
申请日：2021-08-05
申请人： Ushio Denki Kabushiki Kaisha
发明人： Keisuke Naito , Hideaki Yagyu , Tatsushi Igarashi , Hiroyuki Ohashi
IPC分类号： A61L2/10 , A61L2/08
摘要： 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.

3. 发明授权

US09599812B2 Foil trap and light source device using such foil trap 有权
公开(公告)号：US09599812B2
公开(公告)日：2017-03-21
申请号：US14915845
申请日：2014-09-05
申请人： USHIO DENKI KABUSHIKI KAISHA
发明人： Christof Metzmacher , Hermann Giese , Achim Weber , Hironobu Yabuta , Rolf Theo Anton Apetz , Tatsushi Igarashi , Hiroto Sato , Noritaka Ashizawa
IPC分类号： H05G2/00 , G02B27/00 , G03F7/20 , H05H1/48 , H05H1/44
CPC分类号： G02B27/0006 , G03F7/70033 , G03F7/70916 , H05G2/001 , H05G2/008 , H05H1/44 , H05H1/48
摘要： Disclosed herein a rotational type foil trap that is capable of avoiding the transmission rate of the EUV light to be lowered even when the EUV light source operates with the high input power and also suppressing the temperature increase of the foil to attain a sufficient life duration. In the rotational type foil trap, one end of each of foils is inserted into each of a plurality of grooves provided on a side face of a center support, and the center support and the each of the foils are fixed together by brazing.

4. 发明授权

US12064525B2 Dry sterilizing device and dry sterilizing method 有权
公开(公告)号：US12064525B2
公开(公告)日：2024-08-20
申请号：US17827595
申请日：2022-05-27
申请人： USHIO DENKI KABUSHIKI KAISHA
发明人： Tatsushi Igarashi
IPC分类号： A61L2/00 , A47K10/48 , A61L2/26
CPC分类号： A61L2/0047 , A47K10/48 , A61L2/26 , A61L2202/11 , A61L2202/14
摘要： A sterilizing device includes a housing having an opening in at least one direction thereof. The housing also has a hollow portion configured to allow insertion of an object (target) including part of a human body from the opening into the hollow portion. The sterilizing device also includes at least one air blower unit configured to send a flow of air toward an interior of the hollow portion, and at least one ultraviolet light emitting unit configured to emit ultraviolet light toward the interior of the hollow portion. The ultraviolet light emitted from each ultraviolet light emitting unit includes at least part of ultraviolet light having a wavelength between 190 nm and 230 nm and at least part of ultraviolet light having a wavelength between 230 nm and 237 nm, but does not include ultraviolet light having a wavelength below 190 nm and beyond 237 nm.

5. 发明授权

US11433151B2 Microbe inactivation processing method and cell activation processing method 有权
公开(公告)号：US11433151B2
公开(公告)日：2022-09-06
申请号：US17075138
申请日：2020-10-20
申请人： Ushio Denki Kabushiki Kaisha
发明人： Tatsushi Igarashi
IPC分类号： A61L2/10 , G02B5/20
摘要： Disclosed are a microbe inactivation processing method that can perform inactivation processing of microbes, while damage to human body cells is prevented or inhibited, with an efficient use of light emitted from a light source and the obtainment of a large effective irradiation area. Also provided are a cell activation processing method that can reliably activate target cells with high efficiency. The microbe inactivation processing method includes: a step of applying light emitted from a light source through an optical filter, with the light source configured to emit light having a wavelength within a wavelength range of 190 nm to 237 nm, in order to perform inactivation processing of a target microbe. When the light emitted from the light source is incident at an incident angle of 0°, the optical filter transmits at least a part of ultraviolet light having a wavelength within a range of not lower than 190 nm and not more than 230 nm, and transmits at least a part of ultraviolet light having a wavelength within a range of more than 230 nm and not more than 237 nm, and the optical filter blocks transmission of ultraviolet light having a wavelength out of a wavelength range of not lower than 190 nm and not more than 237 nm.

6. 发明授权

US11007378B2 Sterilization apparatus 有权
公开(公告)号：US11007378B2
公开(公告)日：2021-05-18
申请号：US16074698
申请日：2017-01-30
申请人： Ushio Denki Kabushiki Kaisha
发明人： Tatsushi Igarashi , Koichi Kamei
IPC分类号： A61F9/008 , A61N5/06 , G02B5/28 , A61L2/00
摘要： Disclosed is a sterilization apparatus that can kill or inactivate sterilization target organisms present on a body or in the body without damage to human cells and has high energy efficiency. A sterilization apparatus is configured to irradiate a sterilization target organism on a body or in the body with light and thereby killing or inactivating the sterilization target organism. The sterilization apparatus includes: a light source configured to emit light having wavelengths within a wavelength range of 190 nm to 230 nm and a wavelength range of 230 to 300 nm; a power supply unit configured to supply power to the light source; a control unit configured to control the power supply unit; and an optical filter. The power supply unit is controlled by the control unit so that an irradiation amount of light having a wavelength within the wavelength range of 230 to 300 nm in one light irradiation is not more than 9 mJ/cm2.

7. 发明授权

US10864287B2 Microbe inactivation processing method and cell activation processing method 有权
公开(公告)号：US10864287B2
公开(公告)日：2020-12-15
申请号：US16232571
申请日：2018-12-26
申请人： Ushio Denki Kabushiki Kaisha
发明人： Tatsushi Igarashi
IPC分类号： A61L2/10 , G02B5/20
CPC分类号： A61L2/10 , G02B5/208 , A61L2202/14
摘要： Disclosed are a microbe inactivation processing method that can perform inactivation processing of microbes, while damage to human body cells is prevented or inhibited, with an efficient use of light emitted from a light source and the obtainment of a large effective irradiation area. Also provided are a cell activation processing method that can reliably activate target cells with high efficiency. The microbe inactivation processing method includes: a step of applying light emitted from a light source through an optical filter, with the light source configured to emit light having a wavelength within a wavelength range of 190 nm to 237 nm, in order to perform inactivation processing of a target microbe. When the light emitted from the light source is incident at an incident angle of 0°, the optical filter transmits at least a part of ultraviolet light having a wavelength within a range of not lower than 190 nm and not more than 230 nm, and transmits at least apart of ultraviolet light having a wavelength within a range of more than 230 nm and not more than 237 nm, and the optical filter blocks transmission of ultraviolet light having a wavelength out of a wavelength range of not lower than 190 nm and not more than 237 nm.

8. 发明公开

US20230149578A1 INACTIVATION DEVICE AND INACTIVATION METHOD 审中-公开
公开(公告)号：US20230149578A1
公开(公告)日：2023-05-18
申请号：US17792966
申请日：2021-03-04
申请人： Ushio Denki Kabushiki Kaisha
发明人： Tatsushi Igarashi , Hiroyuki Ohashi , Yoshihiko Okumura , Atsushi Imamura
IPC分类号： A61L2/24 , A61L2/10
CPC分类号： A61L2/24 , A61L2/10 , A61L2202/11 , A61L2202/14 , A61L2202/25
摘要： The inactivation device includes: an ultraviolet light irradiation unit that irradiates an enclosed space where a human can enter and leave with light containing ultraviolet light having a wavelength of inactivating the microorganisms and/or viruses that are harmful to the human body; a sensor that detects presence of the human in the enclosed space; and a control unit that controls irradiation and non-irradiation with the light from the ultraviolet light irradiation unit based on a detection signal from the sensor. The control unit controls the ultraviolet light irradiation unit to irradiate a space including the human with the light for a predetermined time in accordance with the wavelength of the ultraviolet light contained in the light radiated from the ultraviolet light irradiation unit, during a period in which the human is determined to be present in the enclosed space based on the detection signal from the sensor.

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