Patents by Inventor Yuji Okita
Yuji Okita 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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Patent number: 11908752Abstract: A substrate processing apparatus that includes a substrate holder, a cup member, an elevating mechanism, a first nozzle, and a camera. The substrate holder holds a substrate and rotates the substrate. The cup member surrounds the outer circumference of the substrate holder. The elevating mechanism moves up the cup member so that the upper end portion of the cup member is located at the upper end position higher than the substrate held by the substrate holder. The first nozzle has a discharge port at a position lower than the upper end position, and discharges first processing liquid from the discharge port to an end portion of the substrate. The camera images an imaging region that includes the first processing liquid discharged from the discharge port of the first nozzle and is viewed from an imaging position above the substrate.Type: GrantFiled: September 25, 2019Date of Patent: February 20, 2024Assignee: SCREEN Holdings Co., Ltd.Inventors: Hideji Naohara, Yuji Okita, Hiroaki Kakuma, Tatsuya Masui
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Patent number: 11898190Abstract: A method for producing a microbial oil includes steps of: genetically modifying a labyrinthulid by disrupting and/or silencing a gene, or by transforming another gene in addition to the disruption and/or gene silencing of the gene, and culturing the labyrinthulid, such that a fatty acid composition accumulated in the labyrinthulid comprises an increased EPA content; and collecting the microbial oil having the increased EPA content from the labyrinthulid. The labyrinthulid before the modification is selected from (A) a labyrinthulid belonging to the genus Parietichytrium or genus Schizochytrium and having very weak or no activity of producing PUFAs via a PUFA-PKS pathway; and (B) a labyrinthulid belonging to the genus Thraustochytrium in which a host PUFA-PKS gene is disrupted or silenced to a very weak level. The increased EPA content is preferably not less than 11.5% of a total fatty acid composition.Type: GrantFiled: August 13, 2021Date of Patent: February 13, 2024Assignees: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KONAN GAKUEN, NIPPON SUISAN KAISHA, LTD.Inventors: Yuji Okita, Makoto Ito, Rie Hamaguchi, Hatsumi Goda, Seiya Mochinaga, Daisuke Honda
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Publication number: 20240001411Abstract: A substrate processing method includes a substrate holding step of holding a substrate at a holding position surrounded by a cylindrical guard, a processing liquid supplying step of supplying a processed surface of the substrate with a processing liquid with which the processed surface of the substrate is processed while rotating the substrate held at the holding position about a rotation axis passing through a central portion of the substrate, an image acquiring step of acquiring an image of the processed surface of the substrate and an image of an inner wall surface of the guard while supplying the processing liquid to the processed surface of the substrate, and a detecting step of monitoring luminance values of the images obtained in the image acquiring step, and detecting a processing end time point at which processing of the processed surface of the substrate with the processing liquid is ended.Type: ApplicationFiled: October 29, 2021Publication date: January 4, 2024Inventors: Toru ENDO, Hideji NAOHARA, Yuji OKITA, Katsuei HIGASHI, Takahiro YAMAGUCHI, Ryuta TSUKAHARA, Akira ISHIMARU
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Publication number: 20230241634Abstract: A substrate processing method includes: a holding step of carrying a substrate into an inside of a chamber and holding said substrate; a supply step of supplying a fluid to the substrate on the inside of the chamber; an imaging step of sequentially imaging the inside of the chamber by a camera to acquire image data; a condition setting step of specifying a monitoring target and changing an image condition based on the monitoring target; and a monitoring step of performing a monitoring process on the monitoring target based on the image data having the image condition corresponding to the monitoring target.Type: ApplicationFiled: May 12, 2021Publication date: August 3, 2023Inventors: Yuji OKITA, Hideji NAOHARA, Hiroaki KAKUMA, Tatsuya MASUI, Yuichi DEBA
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Publication number: 20230174890Abstract: Docosahexaenoic acid-containing oil containing docosahexaenoic acid in a concentration of 40 wt. % or more of the total weight of fatty acids in the oil, and having an endothermic peak temperature determined by differential scanning calorimetry (DSC) of 15° C. or lower; a biomass including the same; and a method for producing docosahexaenoic acid-containing oil including obtaining a biomass by culturing microorganisms of the genus Aurantiochytrium capable of producing this docosahexaenoic acid-containing oil, recovering the biomass after culture, and extracting the oil from the biomass after recovery.Type: ApplicationFiled: November 10, 2022Publication date: June 8, 2023Applicant: Nippon Suisan Kaisha, Ltd.Inventors: Takayoshi SEKIGUCHI, Yuji OKITA, Yumiko NISHIZAWA
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Patent number: 11646212Abstract: A substrate treatment device is provided, including a substrate holding unit holding a substrate and rotating the substrate; plural nozzles each having a discharge port and discharging a treatment liquid from the discharge port at a treatment position; a camera imaging an imaging region from an imaging position to acquire captured images, the imaging region containing the treatment liquid discharged from the discharge port of each nozzle positioned at the treatment position, and the imaging position being above the substrate held on the substrate holding unit and in a plan view, the imaging position being positioned at a central side of the substrate with respect to the nozzles and at an upstream side in a rotation direction of the substrate holding unit with respect to the nozzles; and an image processing unit determining a discharge state of the treatment liquid based on the captured images.Type: GrantFiled: March 22, 2022Date of Patent: May 9, 2023Assignee: SCREEN Holdings Co., Ltd.Inventors: Hideji Naohara, Yuji Okita, Hiroaki Kakuma, Tatsuya Masui
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Publication number: 20230009810Abstract: A state detection device includes at least one chuck pin for holding a substrate, a photographing unit configured to photograph the chuck pin, and set at least one image to be obtained as a target image, a matching coordinate calculation unit configured to perform matching processing between the target image and a reference image which is at least one image showing the chuck pin, and calculate matching coordinates, which are coordinates indicating a position of the reference image in the target image when a matching score between the reference image and the target image is the highest, and a detection unit configured to detect an open/closed state of the chuck pin based on the matching coordinates. Therefore, the open/closed state of the chuck pin can be detected while detection accuracy is suppressed from lowering.Type: ApplicationFiled: May 20, 2022Publication date: January 12, 2023Inventors: Yuji OKITA, Hideji NAOHARA, Hiroaki KAKUMA, Tatsuya MASUI, Yuichi DEBA
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Patent number: 11525103Abstract: Docosahexaenoic acid-containing oil containing docosahexaenoic acid in a concentration of 40 wt. % or more of the total weight of fatty acids in the oil, and having an endothermic peak temperature determined by differential scanning calorimetry (DSC) of 15° C. or lower; a biomass including the same; and a method for producing docosahexaenoic acid-containing oil including obtaining a biomass by culturing microorganisms of the genus Aurantiochytrium capable of producing this docosahexaenoic acid-containing oil, recovering the biomass after culture, and extracting the oil from the biomass after recovery.Type: GrantFiled: November 13, 2020Date of Patent: December 13, 2022Assignee: Nippon Suisan Kaisha, Ltd.Inventors: Takayoshi Sekiguchi, Yuji Okita, Yumiko Nishizawa
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Publication number: 20220213495Abstract: A method for producing a microbial oil includes the steps of: genetically modifying a labyrinthulid by disrupting and/or silencing a gene, or by transforming another gene in addition to the disruption and/or gene silencing of the gene; culturing the labyrinthulid, such that a fatty acid composition accumulated in the labyrinthulid comprises an increased EPA content; and collecting the microbial oil having the increased EPA content from the labyrinthulid. The increased EPA content is not less than 3.3% of a total fatty acid composition.Type: ApplicationFiled: November 15, 2021Publication date: July 7, 2022Applicants: KYUSHU UNIVERSITY, NAT'L UNIVERSITY CORPORATION, UNIVERSITY OF MIYAZAKI, KONAN GAKUEN, NIPPON SUISAN KAISHA, LTD.Inventors: Keishi Sakaguchi, Rie Hamaguchi, Takanobu Matsuda, Makoto Ito, Naoki Nagano, Masahiro Hayashi, Yuji Okita, Shinichi Sugimoto, Daisuke Honda
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Publication number: 20220216117Abstract: A substrate treatment device is provided, including a substrate holding unit holding a substrate and rotating the substrate; plural nozzles each having a discharge port and discharging a treatment liquid from the discharge port at a treatment position; a camera imaging an imaging region from an imaging position to acquire captured images, the imaging region containing the treatment liquid discharged from the discharge port of each nozzle positioned at the treatment position, and the imaging position being above the substrate held on the substrate holding unit and in a plan view, the imaging position being positioned at a central side of the substrate with respect to the nozzles and at an upstream side in a rotation direction of the substrate holding unit with respect to the nozzles; and an image processing unit determining a discharge state of the treatment liquid based on the captured images.Type: ApplicationFiled: March 22, 2022Publication date: July 7, 2022Applicant: SCREEN Holdings Co., Ltd.Inventors: Hideji NAOHARA, Yuji OKITA, Hiroaki KAKUMA, Tatsuya MASUI
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Patent number: 11322415Abstract: A substrate treatment method is provided, including: holding a substrate on a substrate holding unit; rotating the substrate holding unit to rotate the substrate; raising a cup member surrounding an outer periphery of the substrate holding unit to locate an upper end of the cup member in an upper end position higher than an upper surface of the substrate held on the substrate holding unit; discharging a treatment liquid from a discharge port of a nozzle located lower than the upper end position to an end portion of the upper surface of the substrate held on the substrate holding unit; an imaging process, acquiring captured images of an imaging region by a camera, wherein the imaging region contains the treatment liquid discharged from the discharge port and is seen from an imaging position above the substrate; and determining a discharge state of the treatment liquid based on the captured images.Type: GrantFiled: October 3, 2019Date of Patent: May 3, 2022Assignee: SCREEN Holdings Co., Ltd.Inventors: Hideji Naohara, Yuji Okita, Hiroaki Kakuma, Tatsuya Masui
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Patent number: 11305992Abstract: An ozone generation device includes an inverter, an ozone generator, and a reactor. The inverter turns on and off a switching element by pulse width modulation (PWM) control to convert DC power into AC power. In the ozone generator, voltage of the AC power is applied to a dielectric electrode, and discharge is generated in raw material gas flowing in a discharge gap between the dielectric electrode and a metal electrode, so that ozone is generated by the discharge. The reactor is connected in series to a dielectric electrode, and reduces an inrush current that flows through the dielectric electrode when the switching element is switched from off to on by the PWM control by the inverter.Type: GrantFiled: September 19, 2017Date of Patent: April 19, 2022Assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaaki Murata, Yuji Okita, Michiko Hashimoto, Kie Kubo, Hiroshi Mochikawa
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Publication number: 20220042052Abstract: A method for producing a microbial oil includes steps of: genetically modifying a labyrinthulid by disrupting and/or silencing a gene, or by transforming another gene in addition to the disruption and/or gene silencing of the gene, and culturing the labyrinthulid, such that a fatty acid composition accumulated in the labyrinthulid comprises an increased EPA content; and collecting the microbial oil having the increased EPA content from the labyrinthulid. The labyrinthulid before the modification is selected from (A) a labyrinthulid belonging to the genus Parietichytrium or genus Schizochytrium and having very weak or no activity of producing PUFAs via a PUFA-PKS pathway; and (B) a labyrinthulid belonging to the genus Thraustochytrium in which a host PUFA-PKS gene is disrupted or silenced to a very weak level. The increased EPA content is preferably not less than 11.5% of a total fatty acid composition.Type: ApplicationFiled: August 13, 2021Publication date: February 10, 2022Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KONAN GAKUEN, NIPPON SUISAN KAISHA, LTD.Inventors: Yuji OKITA, Makoto Ito, Rie Hamaguchi, Hatsumi Goda, Seiya Mochinaga, Daisuke Honda
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Publication number: 20220005736Abstract: A substrate processing apparatus that includes a substrate holder, a cup member, an elevating mechanism, a first nozzle, and a camera. The substrate holder holds a substrate and rotates the substrate. The cup member surrounds the outer circumference of the substrate holder. The elevating mechanism moves up the cup member so that the upper end portion of the cup member is located at the upper end position higher than the substrate held by the substrate holder. The first nozzle has a discharge port at a position lower than the upper end position, and discharges first processing liquid from the discharge port to an end portion of the substrate. The camera images an imaging region that includes the first processing liquid discharged from the discharge port of the first nozzle and is viewed from an imaging position above the substrate.Type: ApplicationFiled: September 25, 2019Publication date: January 6, 2022Inventors: Hideji NAOHARA, Yuji OKITA, Hiroaki KAKUMA, Tatsuya MASUI
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Patent number: 11203763Abstract: A microbial oil is obtained from Labyrinthulomycetes in which a gene for fatty acid biosynthesis has been disrupted or an expression of the gene has been inhibited to highly accumulate the fatty acid. The microbial oil typically contains: (a) 1.5% or more of arachidonic acid (AA) based on a total amount of fatty acid; (b) 0.2% or more of dihomo-?-linolenic acid (DGLA) based on the total amount of fatty acid; (c) 0.04% or more of eicosatetraenoic acid (ETA) based on the total amount of fatty acid; (d) 3.8% or more of eicosapentaenoic acid (EPA) based on the total amount of fatty acid; (e) 13.7% or less of n-6 docosapentaenoic acid (n-6DPA) based on the total amount of fatty acid; and (f) 43.9% or less of docosahexaenoic acid (DHA) based on the total amount of fatty acid.Type: GrantFiled: December 3, 2018Date of Patent: December 21, 2021Assignee: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Keishi Sakaguchi, Rie Hamaguchi, Takanori Matsuda, Makoto Ito, Naoki Nagano, Masahiro Hayashi, Yuji Okita, Shinichi Sugimoto, Daisuke Honda
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Publication number: 20210147233Abstract: An ozone generation device includes an inverter, an ozone generator, and a reactor. The inverter turns on and off a switching element by pulse width modulation (PWM) control to convert DC power into AC power. In the ozone generator, voltage of the AC power is applied to a dielectric electrode, and discharge is generated in raw material gas flowing in a discharge gap between the dielectric electrode and a metal electrode, so that ozone is generated by the discharge. The reactor is connected in series to a dielectric electrode, and reduces an inrush current that flows through the dielectric electrode when the switching element is switched from off to on by the PWM control by the inverter.Type: ApplicationFiled: September 19, 2017Publication date: May 20, 2021Applicants: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaaki MURATA, Yuji OKITA, Michiko HASHIMOTO, Kie KUBO, Hiroshi MOCHIKAWA
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Patent number: 11011398Abstract: In equipment that supplies a processing liquid on a top surface of a substrate while holding the substrate horizontally in a chamber a generation status of fumes is determined. Specifically, an image of a predetermined imaging area in the chamber is captured. Then, the generation status of fumes in the chamber is determined based on luminance values of the captured image acquired by the capturing of an image. Accordingly, it is possible to quantitatively determine whether a generation status of fumes in a chamber is normal.Type: GrantFiled: November 29, 2018Date of Patent: May 18, 2021Assignee: SCREEN Holdings Co., Ltd.Inventors: Toru Endo, Masayuki Hayashi, Nobuyuki Shibayama, Hideji Naohara, Hiroaki Kakuma, Yuji Okita, Tatsuya Masui
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Patent number: 10985038Abstract: In equipment that executes a drying process of forming a liquid membrane on a top surface of a substrate W which is held horizontally and gradually enlarging a dry area from which the liquid membrane has been removed, quality of the drying process is determined. Specifically, first, the top surface of the substrate is repeatedly imaged by an imaging unit during execution of the drying process. Then, it is determined whether the dry area is in a normal state based on a plurality of captured images acquired by the imaging. Accordingly, it is possible to quantitatively determine whether a dry area is in a normal state based on a plurality of captured images.Type: GrantFiled: November 27, 2018Date of Patent: April 20, 2021Assignee: SCREEN Holdings Co., Ltd.Inventors: Hideji Naohara, Hiroaki Kakuma, Yuji Okita, Tatsuya Masui
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Publication number: 20210071101Abstract: Docosahexaenoic acid-containing oil containing docosahexaenoic acid in a concentration of 40 wt. % or more of the total weight of fatty acids in the oil, and having an endothermic peak temperature determined by differential scanning calorimetry (DSC) of 15° C. or lower; a biomass including the same; and a method for producing docosahexaenoic acid-containing oil including obtaining a biomass by culturing microorganisms of the genus Aurantiochytrium capable of producing this docosahexaenoic acid-containing oil, recovering the biomass after culture, and extracting the oil from the biomass after recovery.Type: ApplicationFiled: November 13, 2020Publication date: March 11, 2021Applicant: Nippon Suisan Kaisha, Ltd.Inventors: Takayoshi SEKIGUCHI, Yuji OKITA, Yumiko NISHIZAWA
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Publication number: 20210039948Abstract: An ozone generator includes a metal electrode, a dielectric element, a conductive film, and a power feeding member. The dielectric element has a tubular shape and is spaced from the metal electrode with a discharge gap to which raw gas is supplied. The conductive film is located. on an inner surface of the dielectric element. The power feeding member is electrically connected to the conductive film, and includes a contact member of a mesh form including a plurality of woven metal wires. The contact member contacts with the conductive film.Type: ApplicationFiled: September 13, 2018Publication date: February 11, 2021Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATIONInventors: Michiko HASHIMOTO, Takaaki MURATA, Kie KUBO, Yuji OKITA