Patents by Inventor Yasuhiro Takaki
Yasuhiro Takaki 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: 11740459Abstract: Provided is a head-mounted display that enables viewing of a stereoscopic image without visual fatigue caused by vergence-accommodation conflict. A head-mounted display includes a display device to display images for the left eye and the right eye on a screen, virtual image forming optical systems for the left eye and the right eye, respectively disposed with respect to images for the left eye and the right eye on the screen, and wide-focus lenses for the left eye and the right eye having a negative focal length with a range, and respectively disposed with respect to the virtual image forming optical systems for the left eye and the right eye so as to overlap optical axis directions of the virtual image forming optical systems for the left eye and the right eye. By respectively displaying virtual images of images, a permissible range of vergence and accommodation is expanded.Type: GrantFiled: July 22, 2019Date of Patent: August 29, 2023Assignees: National University Corporation Tokyo University of Agriculture and Technology, ITOH OPTICAL INDUSTRIAL CO., LTD.Inventors: Yasuhiro Takaki, Yasushi Miyajima
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Patent number: 11626298Abstract: A liquid supply device includes: a storage tank configured to store a processing liquid including a first processing liquid (sulfuric acid) and a second processing liquid (hydrogen peroxide solution); a circulation path having a first pipeline through which the processing liquid passes in a horizontal direction, and configured to circulate the processing liquid stored in the storage tank; a branch path configured to supply the processing liquid to a processing unit; and a branching part having an opening for allowing the processing liquid to flow out from the first pipeline to the branch path, wherein the opening is formed in the branching part and formed below a periphery of the first pipeline when the first pipeline is viewed in section.Type: GrantFiled: March 23, 2018Date of Patent: April 11, 2023Assignee: TOKYO ELECTRON LIMITEDInventors: Yusuke Takamatsu, Yasuhiro Takaki, Shinichi Umeno, Shogo Fukui
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Publication number: 20230032859Abstract: Provided is a head-mounted display capable of expanding the range in which a user can clearly view images. A head-mounted display 1 includes a display device 3 to display images 3a and 3b for the left eye and the right eye on a screen 3c, and virtual image forming optical systems 4a and 4b for the left eye and the right eye respectively disposed with respect to the images 3a and 3b for the left eye and the right eye on the screen 3c, wherein the virtual image forming optical systems 4a and 4b have positive power set in respective regions that visual lines of a user pass through, and include, at outer sides of optical centers in directions orthogonal to optical axes, power adjusting regions 55 having power set closer to the negative side than power at the optical centers.Type: ApplicationFiled: January 18, 2021Publication date: February 2, 2023Applicants: National University Corporation Tokyo University of Agriculture and Technology, Itoh Optical Industrial Co., Ltd.Inventors: Yasushi Miyajima, Yasuhiro Takaki
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Patent number: 11333142Abstract: There is disclosed a hollow tube body used for a liquid feeding member and deformable by pressurization, wherein: an axial cross-section of the tube body has two opposing long side parts and two opposing short side parts; four corner portions formed by the long side parts and the short side parts each have a shape curved to protrude outward; each of the long side parts has a recessed part recessed inward and continuing from the corner portions; and a portion other than the corner portions of each of the short side parts is in a flat shape.Type: GrantFiled: January 29, 2020Date of Patent: May 17, 2022Assignee: Tokyo Electron LimitedInventors: Daisuke Ishimaru, Katsuya Hashimoto, Yasuhiro Takaki
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Patent number: 11300805Abstract: Provided are stereoscopic eyeglasses capable of reducing visual fatigue in binocular stereoscopic display by a simple configuration. In stereoscopic eyeglasses, in order to expand a tolerance of match between vergence and accommodation enabling comfortable stereovision in eyeglasses-using stereoscopic display, wide-focus lenses ranging in focal length are incorporated so as to overlap optical filters in light transmission directions, and accordingly, visual fatigue to be caused by vergence-accommodation conflict during stereoscopic image observation is reduced.Type: GrantFiled: June 7, 2019Date of Patent: April 12, 2022Assignees: National University Corporation Tokyo University of Agriculture and Technology, Itoh Optical Industrial Co., Ltd.Inventors: Yasuhiro Takaki, Yasushi Miyajima
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Patent number: 11158525Abstract: A recovery route returns, to a retaining tank, mixed solution supplied to a substrate processing unit. A discarding route discards the supplied mixed solution to a place other than the retaining tank. A switching controller causes the supplied mixed solution to flow into the discarding route during a time interval until a first time interval has elapsed from a time point when the substrate processing unit starts to supply the mixed solution; causes the supplied mixed solution to flow into the recovery route during a time interval until a second time interval, which is decided based on a predetermined recovery rate, has elapsed after the first time interval elapses; and causes the supplied mixed solution to flow into the discarding route during a time interval until supply of the mixed solution has been ended from a time point when the second time interval elapses.Type: GrantFiled: January 20, 2017Date of Patent: October 26, 2021Assignee: TOKYO ELECTRON LIMITEDInventors: Yasuhiro Takaki, Shinichi Umeno, Takashi Nagai, Hisashi Morita, Nobuhiro Ogata, Yusuke Takamatsu, Jiro Higashijima
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Publication number: 20210286177Abstract: Provided is a head-mounted display that enables viewing of a stereoscopic image without visual fatigue caused by vergence-accommodation conflict. A head-mounted display includes a display device to display images for the left eye and the right eye on a screen, virtual image forming optical systems for the left eye and the right eye, respectively disposed with respect to images for the left eye and the right eye on the screen, and wide-focus lenses for the left eye and the right eye having a negative focal length with a range, and respectively disposed with respect to the virtual image forming optical systems for the left eye and the right eye so as to overlap optical axis directions of the virtual image forming optical systems for the left eye and the right eye. By respectively displaying virtual images of images, a permissible range of vergence and accommodation is expanded.Type: ApplicationFiled: July 22, 2019Publication date: September 16, 2021Inventors: Yasuhiro Takaki, Yasushi Miyajima
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Publication number: 20210111043Abstract: A liquid supply device includes: a storage tank configured to store a processing liquid including a first processing liquid (sulfuric acid) and a second processing liquid (hydrogen peroxide solution); a circulation path having a first pipeline through which the processing liquid passes in a horizontal direction, and configured to circulate the processing liquid stored in the storage tank; a branch path configured to supply the processing liquid to a processing unit; and a branching part having an opening for allowing the processing liquid to flow out from the first pipeline to the branch path, wherein the opening is formed in the branching part and formed below a periphery of the first pipeline when the first pipeline is viewed in section.Type: ApplicationFiled: March 23, 2018Publication date: April 15, 2021Inventors: Yusuke TAKAMATSU, Yasuhiro TAKAKI, Shinichi UMENO, Shogo FUKUI
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Publication number: 20210011304Abstract: Provided are stereoscopic eyeglasses capable of reducing visual fatigue in binocular stereoscopic display by a simple configuration. In stereoscopic eyeglasses, in order to expand a tolerance of match between vergence and accommodation enabling comfortable stereovision in eyeglasses-using stereoscopic display, wide-focus lenses ranging in focal length are incorporated so as to overlap optical filters in light transmission directions, and accordingly, visual fatigue to be caused by vergence-accommodation conflict during stereoscopic image observation is reduced.Type: ApplicationFiled: June 7, 2019Publication date: January 14, 2021Applicants: National University Corporation Tokyo University of Agriculture and Technology, Itoh Optical Industrial Co., Ltd.Inventors: Yasuhiro Takaki, Yasushi Miyajima
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Publication number: 20200256330Abstract: There is disclosed a hollow tube body used for a liquid feeding member and deformable by pressurization, wherein: an axial cross-section of the tube body has two opposing long side parts and two opposing short side parts; four corner portions formed by the long side parts and the short side parts each have a shape curved to protrude outward; each of the long side parts has a recessed part recessed inward and continuing from the corner portions; and a portion other than the corner portions of each of the short side parts is in a flat shape.Type: ApplicationFiled: January 29, 2020Publication date: August 13, 2020Inventors: Daisuke ISHIMARU, Katsuya HASHIMOTO, Yasuhiro TAKAKI
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Patent number: 10714365Abstract: A liquid processing apparatus includes a processing unit, a first supply route, a first device, a second supply route, a second device, a housing, and an external housing. The processing unit processes a substrate by using processing liquid including first and second processing liquids. The first supply route is for supplying the first processing liquid to the processing unit. The first device is for supplying the first processing liquid to the first supply route. The second supply route is for supplying the second processing liquid to the processing unit. The second processing liquid has higher temperature than the first processing liquid. The second device is for supplying the second processing liquid to the second supply route. The housing accommodates the processing unit. The external housing accommodates the first and second devices, and is adjacent to the housing. The external housing includes a partition wall between the first and second devices.Type: GrantFiled: November 2, 2016Date of Patent: July 14, 2020Assignee: TOKYO ELECTRON LIMITEDInventors: Tetsurou Iriyama, Shinichi Umeno, Yasuhiro Takaki, Takami Satoh
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Patent number: 10591935Abstract: A substrate liquid processing apparatus includes a tank; a circulation line; a processing unit connected to the circulation line through a branch line and configured to perform a liquid processing on a substrate using a processing liquid flowing through the circulation line; a processing liquid producing mechanism configured to produce the processing liquid by mixing at least two kinds of raw material liquids supplied from respective raw material liquid sources at a controlled mixing ratio; a concentration measuring device configured to measure a concentration of the processing liquid flowing through the circulation line and a concentration of the processing liquid flowing through the processing liquid supply line; and a control device configured to control the processing liquid producing mechanism based on the measured concentrations of the processing liquid.Type: GrantFiled: November 13, 2018Date of Patent: March 17, 2020Assignee: Tokyo Electron LimitedInventors: Yasuhiro Takaki, Hiroshi Komiya, Chikara Nobukuni, Keigo Satake, Atsushi Anamoto
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Patent number: 10573539Abstract: A substrate liquid processing apparatus includes a transfer section, a processing section, a reservoir and a liquid sending mechanism. The transfer section includes a transfer device configured to transfer a substrate. The processing section is provided adjacent to the transfer section in a horizontal direction, and includes a liquid processing unit configured to process the substrate by using a processing liquid. The reservoir is configured to store the processing liquid therein. The liquid sending mechanism is configured to send out the processing liquid stored in the reservoir into the liquid processing unit. The reservoir is disposed directly under the transfer section. Further, the liquid sending mechanism is disposed directly under the processing section. Space saving of the substrate liquid processing apparatus can be achieved.Type: GrantFiled: December 15, 2015Date of Patent: February 25, 2020Assignee: TOKYO ELECTRON LIMITEDInventors: Hiroshi Komiya, Yasuhiro Takaki, Shinichi Umeno, Koji Tanaka, Takami Satoh, Atsushi Anamoto
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Publication number: 20190079544Abstract: A substrate liquid processing apparatus includes a tank; a circulation line; a processing unit connected to the circulation line through a branch line and configured to perform a liquid processing on a substrate using a processing liquid flowing through the circulation line; a processing liquid producing mechanism configured to produce the processing liquid by mixing at least two kinds of raw material liquids supplied from respective raw material liquid sources at a controlled mixing ratio; a concentration measuring device configured to measure a concentration of the processing liquid flowing through the circulation line and a concentration of the processing liquid flowing through the processing liquid supply line; and a control device configured to control the processing liquid producing mechanism based on the measured concentrations of the processing liquid.Type: ApplicationFiled: November 13, 2018Publication date: March 14, 2019Inventors: Yasuhiro Takaki, Hiroshi Komiya, Chikara Nobukuni, Keigo Satake, Atsushi Anamoto
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Publication number: 20190067048Abstract: A recovery route returns, to a retaining tank, mixed solution supplied to a substrate processing unit. A discarding route discards the supplied mixed solution to a place other than the retaining tank. A switching controller causes the supplied mixed solution to flow into the discarding route during a time interval until a first time interval has elapsed from a time point when the substrate processing unit starts to supply the mixed solution; causes the supplied mixed solution to flow into the recovery route during a time interval until a second time interval, which is decided based on a predetermined recovery rate, has elapsed after the first time interval elapses; and causes the supplied mixed solution to flow into the discarding route during a time interval until supply of the mixed solution has been ended from a time point when the second time interval elapses.Type: ApplicationFiled: January 20, 2017Publication date: February 28, 2019Applicant: TOKYO ELECTRON LIMITEDInventors: Yasuhiro Takaki, Shinichi Umeno, Takashi Nagai, Hisashi Morita, Nobuhiro Ogata, Yusuke Takamatsu, Jiro Higashijima
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Patent number: 10162371Abstract: A substrate liquid processing apparatus includes a tank; a circulation line; a processing unit connected to the circulation line through a branch line and configured to perform a liquid processing on a substrate using a processing liquid flowing through the circulation line; a processing liquid producing mechanism configured to produce the processing liquid by mixing at least two kinds of raw material liquids supplied from respective raw material liquid sources at a controlled mixing ratio; a concentration measuring device configured to measure a concentration of the processing liquid flowing through the circulation line and a concentration of the processing liquid flowing through the processing liquid supply line; and a control device configured to control the processing liquid producing mechanism based on the measured concentrations of the processing liquid.Type: GrantFiled: November 10, 2014Date of Patent: December 25, 2018Assignee: Tokyo Electron LimitedInventors: Yasuhiro Takaki, Hiroshi Komiya, Chikara Nobukuni, Keigo Satake, Atsushi Anamoto
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Publication number: 20180358240Abstract: A substrate liquid processing apparatus includes a transfer section, a processing section, a reservoir and a liquid sending mechanism. The transfer section includes a transfer device configured to transfer a substrate. The processing section is provided adjacent to the transfer section in a horizontal direction, and includes a liquid processing unit configured to process the substrate by using a processing liquid. The reservoir is configured to store the processing liquid therein. The liquid sending mechanism is configured to send out the processing liquid stored in the reservoir into the liquid processing unit. The reservoir is disposed directly under the transfer section. Further, the liquid sending mechanism is disposed directly under the processing section. Space saving of the substrate liquid processing apparatus can be achieved.Type: ApplicationFiled: December 15, 2015Publication date: December 13, 2018Inventors: Hiroshi Komiya, Yasuhiro Takaki, Shinichi Umeno, Koji Tanaka, Takami Satoh, Atsushi Anamoto
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Publication number: 20180330974Abstract: A liquid processing apparatus includes a processing unit, a first supply route, a first device, a second supply route, a second device, a housing, and an external housing. The processing unit processes a substrate by using processing liquid including first and second processing liquids. The first supply route is for supplying the first processing liquid to the processing unit. The first device is for supplying the first processing liquid to the first supply route. The second supply route is for supplying the second processing liquid to the processing unit. The second processing liquid has higher temperature than the first processing liquid. The second device is for supplying the second processing liquid to the second supply route. The housing accommodates the processing unit. The external housing accommodates the first and second devices, and is adjacent to the housing. The external housing includes a partition wall between the first and second devices.Type: ApplicationFiled: November 2, 2016Publication date: November 15, 2018Inventors: Tetsurou Iriyama, Shinichi Umeno, Yasuhiro Takaki, Takami Satoh
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Patent number: 9716020Abstract: Disclosed is a substrate liquid processing apparatus including: a first processing liquid supply mechanism provided with a first tank in which a processing liquid is stored and a first nozzle through which the processing liquid stored in the first tank is ejected, and configured to supply the processing liquid to a first surface of a substrate by the first nozzle; a second processing liquid supply mechanism provided with a second tank in which a processing liquid having the same composition as the processed liquid stored in the first tank is stored and a second nozzle through which the processed liquid stored in the second tank is ejected, and configured to supply the processed liquid to a second surface of the substrate by the second nozzle; a processing unit configured to perform processing on the substrate using the processed liquids supplied by the first nozzle and the second nozzle; and a recovery line configured to recover the processed liquids which are supplied to the substrate from the first nozzle aType: GrantFiled: October 9, 2014Date of Patent: July 25, 2017Assignee: Tokyo Electron LimitedInventors: Yasuhiro Takaki, Koji Tanaka, Shun Tominaga
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Publication number: 20150131403Abstract: A substrate liquid processing apparatus includes a tank; a circulation line; a processing unit connected to the circulation line through a branch line and configured to perform a liquid processing on a substrate using a processing liquid flowing through the circulation line; a processing liquid producing mechanism configured to produce the processing liquid by mixing at least two kinds of raw material liquids supplied from respective raw material liquid sources at a controlled mixing ratio; a concentration measuring device configured to measure a concentration of the processing liquid flowing through the circulation line and a concentration of the processing liquid flowing through the processing liquid supply line; and a control device configured to control the processing liquid producing mechanism based on the measured concentrations of the processing liquid.Type: ApplicationFiled: November 10, 2014Publication date: May 14, 2015Inventors: Yasuhiro Takaki, Hiroshi Komiya, Chikara Nobukuni, Keigo Satake, Atsushi Anamoto