Patents by Inventor Shunsuke Nakamura
Shunsuke Nakamura 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: 20250020616Abstract: It is a method for measuring surface carbon level of an inorganic solid, comprising heating under oxygen containing atmosphere an inorganic solid stored in an airtight container, suitably an airtight container having a structure wherein a part of a wall surface of the airtight container is extended in the outer direction to form an extended part, and an opening for inorganic solid which is openable and closable by a lid material is provided on an outer end surface of the extended part, and a standard sealing material made of synthetic rubber is intervened on a contact surface with the wall surface of the outer end surface of the extended part of the lid material, to burn the surface, analyzing carbon dioxide level in the container atmosphere after burning by gas chromatography method, and obtaining carbon level of the inorganic solid surface from the obtained result of analysis.Type: ApplicationFiled: August 31, 2022Publication date: January 16, 2025Applicant: TOKUYAMA CORPORATIONInventors: Shunsuke HOSAKA, Yasuo NAKAMURA, Masaki UEDA
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Patent number: 12077673Abstract: Provided is a recording liquid set including: a pretreatment liquid containing a cationic component, a resin, and water; and an aqueous white inkjet ink containing a white-colored colorant, an organic solvent, and water, wherein the aqueous white inkjet ink has a static surface tension of 20 to 40 mN/m at 25° C., the aqueous white inkjet ink has a static surface tension at 25° C. that is greater than a static surface tension at 25° C. of the pretreatment liquid, and an amount of the white-colored colorant in the aqueous white inkjet ink is 15 to 100 times an amount of the cationic component in the pretreatment liquid.Type: GrantFiled: March 1, 2023Date of Patent: September 3, 2024Assignees: artience Co., Ltd., TOYOCOLOR CO., LTD.Inventors: Mayuko Hayamizu, Yuki Sasaki, Shunsuke Nakamura
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Publication number: 20240218198Abstract: Provided is a recording liquid set including: a pretreatment liquid containing a cationic component, a resin, and water; and an aqueous white inkjet ink containing a white-colored colorant, an organic solvent, and water, wherein the aqueous white inkjet ink has a static surface tension of 20 to 40 mN/m at 25° C., the aqueous white inkjet ink has a static surface tension at 25° C. that is greater than a static surface tension at 25° C. of the pretreatment liquid, and an amount of the white-colored colorant in the aqueous white inkjet ink is 15 to 100 times an amount of the cationic component in the pretreatment liquid.Type: ApplicationFiled: March 1, 2023Publication date: July 4, 2024Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD.Inventors: Mayuko HAYAMIZU, Yuki SASAKI, Shunsuke NAKAMURA
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Patent number: 11911108Abstract: A blood flow measuring unit of a blood flow measurement apparatus of an embodiment includes an optical system for applying an OCT scan to an eye fundus and obtains blood flow information based on data acquired by the OCT scan. A movement mechanism moves the optical system. A controller applies a first movement control to the movement mechanism to move the optical system in a first direction orthogonal to an optical axis of the optical system by a predetermined distance from the optical axis. A judging unit judges occurrence of vignetting based on a detection result of return light of light incident on the eye through the optical system after the first movement control. The controller applies a second movement control to the movement mechanism to further move the optical system based on a judgement result obtained by the judging unit.Type: GrantFiled: December 26, 2018Date of Patent: February 27, 2024Assignee: TOPCON CORPORATIONInventors: Jun Sakai, Shunsuke Nakamura, Kana Nishikawa, Masahiro Akiba
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Patent number: 11291368Abstract: An ophthalmologic apparatus includes a data acquisition unit, a movement mechanism, an image acquisition unit, an analyzer, and a controller. The data acquisition unit is configured to optically acquire data of a fundus of a subject's eye. The movement mechanism is configured to change relative position between the subject's eye and the data acquisition unit. The image acquisition unit is configured to acquire an image of the fundus. The analyzer is configured to specify at least one of a relative movement direction and relative movement amount of the data acquisition unit with respect to the subject's eye based on a flare region in the image and a reference position in the image. The controller is configured to control the movement mechanism based on the at least one of the relative movement direction and the relative movement amount.Type: GrantFiled: March 11, 2019Date of Patent: April 5, 2022Assignee: TOPCON CORPORATIONInventor: Shunsuke Nakamura
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Patent number: 11202566Abstract: An ophthalmologic apparatus includes a data acquisition unit, a movement mechanism, an image acquisition unit, an analyzer, and a controller. The data acquisition unit includes an optical system for optically acquiring data of a fundus of a subject's eye. The movement mechanism is configured to change relative position between the subject's eye and the data acquisition unit. The image acquisition unit is configured to acquire an image of the fundus. The analyzer is configured to specify a relative movement direction and relative movement amount of the data acquisition unit with respect to the subject's eye based on a flare region formed all around a fundus region in the image. The controller is configured to control the movement mechanism based on the relative movement direction and the relative movement amount to change relative position between the subject's eye and the data acquisition unit in an optical axis direction of the optical system.Type: GrantFiled: March 13, 2019Date of Patent: December 21, 2021Assignee: TOPCON CORPORATIONInventor: Shunsuke Nakamura
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Publication number: 20210038075Abstract: A blood flow measuring unit of a blood flow measurement apparatus of an embodiment includes an optical system for applying an OCT scan to an eye fundus and obtains blood flow information based on data acquired by the OCT scan. A movement mechanism moves the optical system. A controller applies a first movement control to the movement mechanism to move the optical system in a first direction orthogonal to an optical axis of the optical system by a predetermined distance from the optical axis. A judging unit judges occurrence of vignetting based on a detection result of return light of light incident on the eye through the optical system after the first movement control. The controller applies a second movement control to the movement mechanism to further move the optical system based on a judgement result obtained by the judging unit.Type: ApplicationFiled: December 26, 2018Publication date: February 11, 2021Applicant: TOPCON CORPORATIONInventors: Jun SAKAI, Shunsuke NAKAMURA, Kana NISHIKAWA, Masahiro AKIBA
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Patent number: 10799116Abstract: An embodiment is a blood flow measurement device that generates blood flow information based on data collected by repeatedly scanning an interested cross section intersecting a blood vessel of an eye fundus using OCT. A data collector scans four or more cross sections intersecting the blood vessel. A first calculator determines a first gradient and second gradient of the blood vessel by analyzing a first data group and second data group among four or more pieces of data corresponding to the four or more cross sections collected by the data collector. A second calculator determines a gradient of the blood vessel at the interested cross section based on the first gradient and the second gradient. A blood flow information generator generates the blood flow information based on the gradient determined by the second calculator and the data collected by repeatedly scanning the interested cross section.Type: GrantFiled: July 29, 2016Date of Patent: October 13, 2020Assignee: TOPCON CORPORATIONInventors: Shunsuke Nakamura, Jun Sakai
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Publication number: 20190282092Abstract: An ophthalmologic apparatus includes a data acquisition unit, a movement mechanism, an image acquisition unit, an analyzer, and a controller. The data acquisition unit is configured to optically acquire data of a fundus of a subject's eye. The movement mechanism is configured to change relative position between the subject's eye and the data acquisition unit. The image acquisition unit is configured to acquire an image of the fundus. The analyzer is configured to specify at least one of a relative movement direction and relative movement amount of the data acquisition unit with respect to the subject's eye based on a flare region in the image and a reference position in the image. The controller is configured to control the movement mechanism based on the at least one of the relative movement direction and the relative movement amount.Type: ApplicationFiled: March 11, 2019Publication date: September 19, 2019Applicant: TOPCON CORPORATIONInventor: Shunsuke NAKAMURA
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Publication number: 20190282093Abstract: An ophthalmologic apparatus includes a data acquisition unit, a movement mechanism, an image acquisition unit, an analyzer, and a controller. The data acquisition unit includes an optical system for optically acquiring data of a fundus of a subject's eye. The movement mechanism is configured to change relative position between the subject's eye and the data acquisition unit. The image acquisition unit is configured to acquire an image of the fundus. The analyzer is configured to specify a relative movement direction and relative movement amount of the data acquisition unit with respect to the subject's eye based on a flare region formed all around a fundus region in the image. The controller is configured to control the movement mechanism based on the relative movement direction and the relative movement amount to change relative position between the subject's eye and the data acquisition unit in an optical axis direction of the optical system.Type: ApplicationFiled: March 13, 2019Publication date: September 19, 2019Applicant: TOPCON CORPORATIONInventor: Shunsuke NAKAMURA
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Publication number: 20180242845Abstract: An embodiment is a blood flow measurement device that generates blood flow information based on data collected by repeatedly scanning an interested cross section intersecting a blood vessel of an eye fundus using OCT. A data collector scans four or more cross sections intersecting the blood vessel. A first calculator determines a first gradient and second gradient of the blood vessel by analyzing a first data group and second data group among four or more pieces of data corresponding to the four or more cross sections collected by the data collector. A second calculator determines a gradient of the blood vessel at the interested cross section based on the first gradient and the second gradient. A blood flow information generator generates the blood flow information based on the gradient determined by the second calculator and the data collected by repeatedly scanning the interested cross section.Type: ApplicationFiled: July 29, 2016Publication date: August 30, 2018Applicant: TOPCON CORPORATIONInventors: Shunsuke NAKAMURA, Jun SAKAI
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Patent number: 9936870Abstract: In an embodiment, cross sectional image storage stores a cross sectional image group including multiple cross sectional images each of which is associated with time. Phase image storage stores a phase image group including multiple phase images each of which is associated with time. Blood flow information storage stores a blood flow information group including multiple blood flow information each of which is related to blood flow in a blood vessel of the living body and is associated with time. Display synchronously displays a cross sectional image included in the cross sectional image group and a phase image included in the phase image group using time associated with the cross sectional image and the phase image, and displays a blood flow image. The display performs the same change as the change to the change operation to the cross sectional image, the phase image and the blood flow image.Type: GrantFiled: June 29, 2016Date of Patent: April 10, 2018Assignees: KABUSHIKI KAISHA TOPCON, National University Corporation ASAHIKAWA MEDICAL UNIVERITYInventors: Akitoshi Yoshida, Masahiro Akiba, Yasufumi Fukuma, Hideaki Tokoro, Taiki Aimi, Shunsuke Nakamura
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Patent number: 9848772Abstract: In an embodiment, cross sectional image storage stores a cross sectional image group including multiple cross sectional images each of which is associated with time. Phase image storage stores a phase image group including multiple phase images each of which is associated with time. Blood flow information storage stores a blood flow information group including multiple blood flow information each of which is related to blood flow in a blood vessel of the living body and is associated with time. Display synchronously displays a cross sectional image included in the cross sectional image group and a phase image included in the phase image group using time associated with the cross sectional image and the phase image, and displays a blood flow image that expresses multiple blood flow information. The display performs the same change as the change to the cross sectional image, the phase image and the blood flow image.Type: GrantFiled: June 29, 2016Date of Patent: December 26, 2017Assignees: KABUSHIKI KAISHA TOPCON, National University Corporation ASAHIKAWA MEDICAL UNIVERSITYInventors: Akitoshi Yoshida, Masahiro Akiba, Yasufumi Fukuma, Hideaki Tokoro, Taiki Aimi, Shunsuke Nakamura
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Patent number: 9492082Abstract: An optical system splits light into signal light and reference light and detects interference light between scattered light of signal light from living body and reference light. A scanner performs first scan in which first cross section that intersects interested blood vessel is repeatedly scanned with signal light. An image forming part forms first cross sectional image expressing chronological variation of morphology of first cross section and phase image expressing chronological variation of phase difference based on detection results of interference light acquired during first scan. A blood vessel region specifying part specifies blood vessel region corresponding to interested blood vessel for first cross sectional image and phase image. A blood flow information generator generates blood flow information related to interested blood vessel based on blood vessel region of first cross sectional image and chronological variation of phase difference within blood vessel region of phase image.Type: GrantFiled: March 8, 2013Date of Patent: November 15, 2016Assignees: KABUSHIKI KAISHA TOPCON, National University Corporation ASAHIKAWA MEDICAL UNIVERSITYInventors: Akitoshi Yoshida, Masahiro Akiba, Yasufumi Fukuma, Hideaki Tokoro, Taiki Aimi, Shunsuke Nakamura
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Publication number: 20160310024Abstract: In an embodiment, cross sectional image storage stores a cross sectional image group including multiple cross sectional images each of which is associated with time. Phase image storage stores a phase image group including multiple phase images each of which is associated with time. Blood flow information storage stores a blood flow information group including multiple blood flow information each of which is related to blood flow in a blood vessel of the living body and is associated with time. Display synchronously displays a cross sectional image included in the cross sectional image group and a phase image included in the phase image group using time associated with the cross sectional image and the phase image, and displays a blood flow image that expresses multiple blood flow information. The display performs the same change as the change to the cross sectional image, the phase image and the blood flow image.Type: ApplicationFiled: June 29, 2016Publication date: October 27, 2016Applicants: KABUSHIKI KAISHA TOPCON, National University Corporation ASAHIKAWA MEDICAL UNIVERSITYInventors: Akitoshi Yoshida, Masahiro AKIBA, Yasufumi FUKUMA, Hideaki TOKORO, Taiki AIMI, Shunsuke NAKAMURA
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Publication number: 20160302738Abstract: In an embodiment, cross sectional image storage stores a cross sectional image group including multiple cross sectional images each of which is associated with time. Phase image storage stores a phase image group including multiple phase images each of which is associated with time. Blood flow information storage stores a blood flow information group including multiple blood flow information each of which is related to blood flow in a blood vessel of the living body and is associated with time. Display synchronously displays a cross sectional image included in the cross sectional image group and a phase image included in the phase image group using time associated with the cross sectional image and the phase image, and displays a blood flow image. The display performs the same change as the change to the change operation to the cross sectional image, the phase image and the blood flow image.Type: ApplicationFiled: June 29, 2016Publication date: October 20, 2016Applicants: KABUSHIKI KAISHA TOPCON, National University Corporation ASAHIKAWA MEDICAL UNIVERSITYInventors: Akitoshi Yoshida, Masahiro Akiba, Yasufumi Fukuma, Hideaki Tokoro, Taiki Aimi, Shunsuke Nakamura
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Patent number: 8123791Abstract: A patch for facilitating blood circulation, including a warmer, a powder-containing bag and a base sheet. The warmer includes iron powder for generating heat oxidized by oxygen in the air and an oxidization regulatory agent enclosed in a flat, air permeable bag. The outer shape of the bag is larger than that of the warmer, and contains powder including components contained in bamboo vinegar or wood vinegar. The outer shape of a base sheet is larger than that of the bag, and the base sheet has an air ventilation hole at a central portion. An adhesive layer is formed on the surface of one side of the base sheet. The warmer and the powder-containing bag are sequentially adhered onto the adhesive layer to cover the air ventilation hole.Type: GrantFiled: September 7, 2007Date of Patent: February 28, 2012Assignee: Nakamura Co., Ltd.Inventor: Shunsuke Nakamura
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Patent number: 7655856Abstract: The present invention aims at the production of musical sounds by calculating motion data based on inputted image data using a simple technique without preliminarily preparing playing information or the like and by producing musical sounds based on the calculated data.Type: GrantFiled: June 9, 2004Date of Patent: February 2, 2010Assignee: Toyota Motor Kyushu Inc.Inventor: Shunsuke Nakamura
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Publication number: 20090205479Abstract: The present invention provides to generate musical sound data easily for people to enjoy playing. A musical sound generating apparatus 10 comprises a vibration recognizing means 12, a main control device 14, an acoustic device 16 and a display device 18. The vibration recognizing means 12 is a vibration sensor that generates vibration data by people clapping their hands or tapping on something. The vibration data processing unit 20 analyzes a waveform of the vibration data to extract a waveform component. Based on the waveform component, a musical sound data generating unit 22 generates musical sound data. The acoustic device 16 causes a musical sound according to a musical sound signal.Type: ApplicationFiled: January 6, 2006Publication date: August 20, 2009Applicant: National University Corporation Kyushu Institute Of TechnologyInventor: Shunsuke Nakamura
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Patent number: 7504572Abstract: A sound is output by calculating a change in coordinate data as a vector and generating sound data corresponding to the calculated vector, so that sounds can be freely obtained without being limited by the size of or positions on an input coordinate plane. A sound generating apparatus 10 includes a coordinate input device 12 for inputting coordinate data, a main control device 14, an acoustic device 16, and a display device 18. The main control device 14 includes: a motion calculation unit 20 that calculates a vector between two successive sets of the coordinate data input with a predetermined time interval; a sound data generating unit 22 that generates the sound data based on the calculated vector; a musical instrument data generating unit and displayed-color data generating unit 24 that serves both functions of generating musical instrument data and generating displayed-color data based on the coordinate data; a data transfer and saving unit 26; and a MIDI sound source 28 controlled by the sound data.Type: GrantFiled: July 7, 2005Date of Patent: March 17, 2009Assignee: National University Corporation Kyushu Institute of TechnologyInventor: Shunsuke Nakamura