Patents by Inventor Toshiyuki Kawashima
Toshiyuki Kawashima 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: 20240091126Abstract: Base coat as an example of a resin composition for a cosmetic is a resin composition for a cosmetic used in a cosmetic to be adhered to nail as a part of living body. The resin composition for a cosmetic includes a stimulus-responsive material that undergoes a volume change by external stimuli, the external stimuli excluding both an external stimulus due to contact with a solvent and an external stimulus due to contact with a solution, and a solidified matter of the resin composition for a cosmetic has a surface with a water contact angle between 30° and 110° (inclusive). The solidified matter of the resin composition for a cosmetic undergoes the volume change by application of the external stimuli to reduce strength of adhesion to the part of living body.Type: ApplicationFiled: January 31, 2022Publication date: March 21, 2024Inventors: Tomoko KAWASHIMA, Taiki UMEMOTO, Keitaro AMARI, Yuko TANIIKE, Haruka KUSUKAME, Shinsuke KAWAGUCHI, Toshiyuki KOMATSU
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Publication number: 20230182084Abstract: An object of the present invention is to provide a composite reverse osmosis membrane having improved water permeability and antifouling performance, and a method for producing the same. The composite reverse osmosis membrane of the present invention includes: a porous support; and a skin layer formed on a surface of the porous support. The skin layer contains a polyamide resin. The polyamide resin is a modified polyamide resin modified with an alkylenediamine derivative.Type: ApplicationFiled: October 27, 2022Publication date: June 15, 2023Applicant: NITTO DENKO CORPORATIONInventors: Toshiyuki KAWASHIMA, Shunsuke NOMI, Tomotsugu MIYABE, Yunxia HU, Shaolu LI, Juntao WANG, Yaxu GUAN, Genghao GONG, Yiwen QIN
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Publication number: 20230145799Abstract: A composite semipermeable membrane capable of forming, on a surface of a porous support in a highly reproducible manner, a separation layer that is extremely thin and that exhibits superior separability. It provides, on a surface of a porous support, a composite semipermeable membrane that has an organic/inorganic hybrid separation layer that is extremely thin and that exhibits superior separability. A method for manufacturing a composite semipermeable membrane includes forming, on a surface of a porous support, a separation layer containing a cross-linked condensate having a siloxane bond by bringing an organic solution that contains an organic silicon compound containing three or more reactive functional groups, each of which is at least one type selected from a hydrolyzable group and a hydroxyl group, into contact with water or an aqueous solution on the porous support, and by performing interfacial polycondensation of the organic silicon compound.Type: ApplicationFiled: January 9, 2023Publication date: May 11, 2023Applicants: NITTO DENKO CORPORATION, HIROSHIMA UNIVERSITYInventors: Toshiyuki KAWASHIMA, Shinichi INOUE, Masahiko HIROSE, Joji OHSHITA, Toshinori TSURU, Kazuki YAMAMOTO
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Patent number: 11590458Abstract: A method for manufacturing a composite semipermeable membrane is capable of forming, on a surface of a porous support in a highly reproducible manner, a separation layer that is extremely thin and that exhibits superior separability. It provides, on a surface of a porous support, a composite semipermeable membrane that has an organic/inorganic hybrid separation layer that is extremely thin and that exhibits superior separability. A method for manufacturing a composite semipermeable membrane includes forming, on a surface of a porous support, a separation layer containing a cross-linked condensate having a siloxane bond by bringing an organic solution that contains an organic silicon compound containing three or more reactive functional groups, each of which is at least one type selected from a hydrolyzable group and a hydroxyl group, into contact with water or an aqueous solution on the porous support, and by performing interfacial polycondensation of the organic silicon compound.Type: GrantFiled: January 23, 2019Date of Patent: February 28, 2023Assignees: NITTO DENKO CORPORATION, HIROSHIMA UNIVERSITYInventors: Toshiyuki Kawashima, Shinichi Inoue, Masahiko Hirose, Joji Ohshita, Toshinori Tsuru, Kazuki Yamamoto
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Patent number: 11504803Abstract: A laser processing apparatus includes a light source which outputs a laser light, and a waveform control unit which controls a pulse waveform of the laser light irradiating the workpiece, in which the pulse waveform of the laser light controlled by the waveform control unit includes a main pulse and a foot pulse temporally preceding the main pulse, and a peak intensity of the foot pulse is smaller than a peak intensity of the main pulse, and a peak position of the main pulse is positioned in a retention time period of plasma generated due to an incidence of the foot pulse on the workpiece.Type: GrantFiled: January 24, 2019Date of Patent: November 22, 2022Assignee: HAMAMATSU PHOTONICS K.KInventors: Yoshio Mizuta, Takashi Kurita, Takeshi Watari, Yuki Kabeya, Norio Kurita, Toshiyuki Kawashima
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Patent number: 11424591Abstract: A laser device is a laser device that includes an output unit that outputs seed light to a light amplifying unit. The output unit has a light source unit that outputs, as the seed light, rays of light with a plurality of wavelengths lying within a gain range of the light amplifying unit, and a seed light control unit that controls an intensity-time waveform of the seed light output from the light source unit.Type: GrantFiled: November 21, 2017Date of Patent: August 23, 2022Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Takashi Kurita, Yoshinori Kato, Toshiyuki Kawashima
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Publication number: 20220263292Abstract: A laser apparatus includes a light source unit and a light combining unit. The light source unit outputs first laser light and second laser light having a wavelength different from that of the first laser light to different optical paths. The light combining unit is optically coupled to the light source unit, and combines the first laser light and the second laser light to generate a burst pulse with a frequency according to a difference between the wavelength of the first laser light and the wavelength of the second laser light. In the light source unit, the wavelengths of the first laser light and the second laser light are set in advance or settable such that the frequency of the burst pulse is 1 GHz or more.Type: ApplicationFiled: June 25, 2020Publication date: August 18, 2022Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Takashi KURITA, Yoshinori KATO, Toshiyuki KAWASHIMA
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Publication number: 20220062825Abstract: A separation membrane module 100 of the present invention includes: a container 10; a degassing membrane element 20 that is disposed inside the container 10; and a separation membrane element 60 that is disposed inside the container 10, is located upstream or downstream of the degassing membrane element 20 in a flow direction of a liquid to be treated, and filters the liquid. The separation membrane element 60 is for example, an NF membrane element or an RO membrane element.Type: ApplicationFiled: December 4, 2019Publication date: March 3, 2022Inventors: Toshiyuki KAWASHIMA, Tomoya OGAWA
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Publication number: 20210313769Abstract: An external resonator-type semiconductor laser device 1A includes an external resonator formed of one or a plurality of laser diode light sources and a VBG; an optical fiber which outputs output light La from the laser diode light source toward the VBG, and into which return light Lb from the VBG is input; and a displacement unit that displaces a disposition position of the VBG with respect to an input and output end surface of the optical fiber.Type: ApplicationFiled: May 31, 2019Publication date: October 7, 2021Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Yujin ZHENG, Takashi SEKINE, Yoshinori KATO, Norio KURITA, Toshiyuki KAWASHIMA
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Publication number: 20210273407Abstract: A laser apparatus includes a semiconductor laser element, a waveform calculation unit for calculating input waveform data, a driver circuit for supplying a drive current having a temporal waveform according to the input waveform data to the semiconductor laser element, an optical amplifier for amplifying laser light output from the semiconductor laser element, and a light waveform detection unit for detecting a waveform of laser light after the amplification output from the optical amplifier. The waveform calculation unit compares the waveform of the laser light after the amplification detected by the light waveform detection unit with a target waveform, adjusts a temporal waveform of the input waveform data, and brings the waveform of the laser light after the amplification close to the target waveform.Type: ApplicationFiled: July 2, 2019Publication date: September 2, 2021Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Takashi KURITA, Yoshinori KATO, Toshiyuki KAWASHIMA
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Patent number: 10862261Abstract: A laser medium unit includes: a plate-shaped laser gain medium which includes a first surface and a second surface opposite to the first surface and generates emission light by the irradiation of excitation light from the first surface; a reflection member that is provided on the second surface so as to reflect the excitation light and the emission light; and a cooling member that cools the laser gain medium. The laser gain medium includes an irradiation area which is irradiated with the excitation light and an outer area which is located outside the irradiation area when viewed from a thickness direction intersecting the first surface and the second surface. The cooling member is thermally connected to the second surface through the reflection member so that a cooling area of the laser gain medium is formed on the second surface.Type: GrantFiled: February 5, 2018Date of Patent: December 8, 2020Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kenichi Ueda, Koichi Iyama, Yoshinori Kato, Takashi Sekine, Toshiyuki Kawashima
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Publication number: 20200353426Abstract: A method for manufacturing a composite semipermeable membrane is capable of forming, on a surface of a porous support in a highly reproducible manner, a separation layer that is extremely thin and that exhibits superior separability. It provides, on a surface of a porous support, a composite semipermeable membrane that has an organic/inorganic hybrid separation layer that is extremely thin and that exhibits superior separability. A method for manufacturing a composite semipermeable membrane includes forming, on a surface of a porous support, a separation layer containing a cross-linked condensate having a siloxane bond by bringing an organic solution that contains an organic silicon compound containing three or more reactive functional groups, each of which is at least one type selected from a hydrolyzable group and a hydroxyl group, into contact with water or an aqueous solution on the porous support, and by performing interfacial polycondensation of the organic silicon compound.Type: ApplicationFiled: January 23, 2019Publication date: November 12, 2020Applicants: NITTO DENKO CORPORATION, HIROSHIMA UNIVERSITYInventors: Toshiyuki KAWASHIMA, Shinichi INOUE, Masahiko HIROSE, Joji OHSHITA, Toshinori TSURU, Kazuki YAMAMOTO
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Patent number: 10826263Abstract: A laser medium unit includes: a plate-shaped laser gain medium which includes a first surface and a second surface opposite to the first surface and generates emission light by the irradiation of excitation light from the first surface; a reflection member that is provided on the second surface so as to reflect the excitation light and the emission light; and a cooling member that cools the laser gain medium. The laser gain medium includes an irradiation area which is irradiated with the excitation light and an outer area which is located outside the irradiation area when viewed from a thickness direction intersecting the first surface and the second surface. The cooling member is thermally connected to the second surface through the reflection member so that a cooling area of the laser gain medium is formed on the second surface.Type: GrantFiled: February 5, 2018Date of Patent: November 3, 2020Assignee: Hamamatsu Photonics K.K.Inventors: Kenichi Ueda, Koichi Iyama, Yoshinori Kato, Takashi Sekine, Toshiyuki Kawashima
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Patent number: 10821403Abstract: The purpose of the present invention is to provide a highly reliable membrane module for removing hazardous components without the risk of a feed-source fluid and a concentrated fluid intermixing inside a hollow tube. The spiral wound separation membrane module is characterized in that: a spiral wound separation membrane element accommodated in a cylindrical container, the spiral wound separation membrane element having a structure in which a laminated body having a separation membrane, a feed-side spacer and a permeation-side spacer is wound around a porous hollow tube in a spiral shape, the feed-side spacer is positioned on a feed side of the separation membrane, the permeation-side spacer is positioned on a permeation side of the separation membrane, and a feed-side flow path and a permeation-side flow path are sealed so as not to communicate directly with each other.Type: GrantFiled: October 5, 2016Date of Patent: November 3, 2020Assignee: NITTO DENKO CORPORATIONInventors: Yasuhiro Uda, Toshiyuki Kawashima
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Patent number: 10720243Abstract: The laser amplification apparatus is provided with a plurality of plate-shaped laser medium components (M1 to M4) which are disposed to be aligned along a thickness direction, and prisms (P1 to P3) which optically couples the laser medium components. Each of the laser medium components is provided with a main surface to which a seed light is incident, and a side surface which surrounds the main surface. An excitation light is incident from at least one side surface of a specific laser medium component among the plurality of laser medium components. The excitation light is incident through the prism to a side surface of the laser medium component adjacent to the prism.Type: GrantFiled: November 18, 2015Date of Patent: July 21, 2020Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Takashi Sekine, Yoshinori Kato, Yasuki Takeuchi, Toshiyuki Kawashima
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Publication number: 20200106237Abstract: A laser device is a laser device that includes an output unit that outputs seed light to a light amplifying unit. The output unit has a light source unit that outputs, as the seed light, rays of light with a plurality of wavelengths lying within a gain range of the light amplifying unit, and a seed light control unit that controls an intensity-time waveform of the seed light output from the light source unit.Type: ApplicationFiled: November 21, 2017Publication date: April 2, 2020Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Takashi KURITA, Yoshinori KATO, Toshiyuki KAWASHIMA
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Publication number: 20190356105Abstract: A laser medium unit includes: a plate-shaped laser gain medium which includes a first surface and a second surface opposite to the first surface and generates emission light by the irradiation of excitation light from the first surface; a reflection member that is provided on the second surface so as to reflect the excitation light and the emission light; and a cooling member that cools the laser gain medium. The laser gain medium includes an irradiation area which is irradiated with the excitation light and an outer area which is located outside the irradiation area when viewed from a thickness direction intersecting the first surface and the second surface. The cooling member is thermally connected to the second surface through the reflection member so that a cooling area of the laser gain medium is formed on the second surface.Type: ApplicationFiled: February 5, 2018Publication date: November 21, 2019Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kenichi UEDA, Koichi IYAMA, Yoshinori KATO, Takashi SEKINE, Toshiyuki KAWASHIMA
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Patent number: 10374377Abstract: A plate-like laser medium has a through-hole for providing a flow of a cooling medium. The laser medium unit includes the plurality of laser media. A laser beam amplification device includes a laser medium unit 10, an excitation light source 21 that causes excitation light to enter the laser medium unit 10, a through-hole 16a of a window member as a unit for supplying the cooling medium in a through-hole 14a of the laser medium 14, and a cooling medium flow path F1 arranged around the laser medium unit 10.Type: GrantFiled: January 13, 2016Date of Patent: August 6, 2019Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Takashi Sekine, Yoshinori Kato, Yoshinori Tamaoki, Takashi Kurita, Toshiyuki Kawashima, Takaaki Morita
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Publication number: 20190232423Abstract: A laser processing apparatus includes a light source which outputs a laser light, and a waveform control unit which controls a pulse waveform of the laser light irradiating the workpiece, in which the pulse waveform of the laser light controlled by the waveform control unit includes a main pulse and a foot pulse temporally preceding the main pulse, and a peak intensity of the foot pulse is smaller than a peak intensity of the main pulse, and a peak position of the main pulse is positioned in a retention time period of plasma generated due to an incidence of the foot pulse on the workpiece.Type: ApplicationFiled: January 24, 2019Publication date: August 1, 2019Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Yoshio MIZUTA, Takashi KURITA, Takeshi WATARI, Yuki KABEYA, Norio KURITA, Toshiyuki KAWASHIMA
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Publication number: 20190060837Abstract: The purpose of the present invention is to provide a highly reliable membrane module for removing hazardous components without the risk of a feed-source fluid and a concentrated fluid intermixing inside a hollow tube. The spiral wound separation membrane module is characterized in that: a spiral wound separation membrane element accommodated in a cylindrical container, the spiral wound separation membrane element having a structure in which a laminated body having a separation membrane, a feed-side spacer and a permeation-side spacer is wound around a porous hollow tube in a spiral shape, the feed-side spacer is positioned on a feed side of the separation membrane, the permeation-side spacer is positioned on a permeation side of the separation membrane, and a feed-side flow path and a permeation-side flow path are sealed so as not to communicate directly with each other.Type: ApplicationFiled: October 5, 2016Publication date: February 28, 2019Applicant: NITTO DENKO CORPORATIONInventors: Yasuhiro UDA, Toshiyuki KAWASHIMA