Patents by Inventor Masahiro Sakuta
Masahiro Sakuta 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: 10989642Abstract: Disclosed is an apparatus for and a method of mass analysis in which a presence of an accessory substance which is difficult to be analyzed can be recognized visually and clearly. The apparatus for mass analysis analyzes a sample containing a substance to be measured and includes: a display unit; a memory unit storing a theoretical peak obtained by calculation with respect to a region of a mass spectrum of the substance; a matching degree calculation unit calculating a matching degree from multiple peaks that each of the mass spectrum of the sample in the region and the theoretical peak have; a matching degree displaying control unit displaying the matching degree on the display unit; and a superimposition displaying control unit displaying the mass spectrum of the sample and the theoretical peak in a superimposed way in a manner that is consistent with a mass-to-charge ratio.Type: GrantFiled: July 20, 2018Date of Patent: April 27, 2021Assignee: HITACHI HIGH-TECH SCIENCE CORPORATIONInventor: Masahiro Sakuta
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Patent number: 10847355Abstract: Disclosed is a mass analysis apparatus and method, wherein the precision of detection of a first material including a second material is improved, without enlarging the apparatus, and the measurement time is reduced. The mass analysis apparatus for analyzing a sample containing a first material including an organic compound and at least one second material including an organic compound and having a mass spectrum peak overlapping that of the first material includes a peak correction unit, wherein, when an intensity ratio (peak B)/(peak A) of peak A, not overlapping that of the first material, and peak B, overlapping that of the first material, is a correction coefficient (W), an intensity of a net peak D of the mass spectrum of the first material is calculated by subtracting W×(intensity of peak A) from an intensity of a peak C of the mass spectrum of the first material in the sample.Type: GrantFiled: December 6, 2019Date of Patent: November 24, 2020Assignee: HITACHI HIGH-TECH SCIENCE CORPORATIONInventors: Masahiro Sakuta, Shin Okawa, Yoshiki Matoba
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Patent number: 10651018Abstract: Disclosed is an apparatus for and a method of mass analysis, the apparatus and the method being capable of improving a detection accuracy of a target substance including impurities, without increasing a size of the apparatus, and shortening measuring time. The apparatus analyzing a sample containing a target substance and one or more interfering substances, which have a peak of a mass spectrum overlapping that of the target substance includes: a peak correction unit calculating an intensity of net peak D of the mass spectrum of the target substance by subtracting a total sum of estimated intensities of the peak B, which are calculated every predetermined time interval according to the intensity of the peak A and a nonlinear relation F between the peak A and the peak B, from an intensity of peak C of a mass spectrum of the target substance of the sample.Type: GrantFiled: January 10, 2019Date of Patent: May 12, 2020Assignee: HITACHI HIGH-TECH SCIENCE CORPORATIONInventors: Masahiro Sakuta, Yoshiki Matoba
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Patent number: 10636638Abstract: Disclosed is a mass analysis apparatus and method, wherein the precision of detection of a first material including a second material is improved, without enlarging the apparatus, and the measurement time is reduced. The mass analysis apparatus for analyzing a sample containing a first material including an organic compound and at least one second material including an organic compound and having a mass spectrum peak overlapping that of the first material includes a peak correction unit, wherein, when an intensity ratio (peak B)/(peak A) of peak A, not overlapping that of the first material, and peak B, overlapping that of the first material, is a correction coefficient (W), an intensity of a net peak D of the mass spectrum of the first material is calculated by subtracting W×(intensity of peak A) from an intensity of a peak C of the mass spectrum of the first material in the sample.Type: GrantFiled: July 20, 2018Date of Patent: April 28, 2020Assignee: HITATCHI HIGH-TECH SCIENCE CORPORATIONInventors: Masahiro Sakuta, Shin Okawa, Yoshiki Matoba
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Publication number: 20200118804Abstract: Disclosed is a mass analysis apparatus and method, wherein the precision of detection of a first material including a second material is improved, without enlarging the apparatus, and the measurement time is reduced. The mass analysis apparatus for analyzing a sample containing a first material including an organic compound and at least one second material including an organic compound and having a mass spectrum peak overlapping that of the first material includes a peak correction unit, wherein, when an intensity ratio (peak B)/(peak A) of peak A, not overlapping that of the first material, and peak B, overlapping that of the first material, is a correction coefficient (W), an intensity of a net peak D of the mass spectrum of the first material is calculated by subtracting W×(intensity of peak A) from an intensity of a peak C of the mass spectrum of the first material in the sample.Type: ApplicationFiled: December 6, 2019Publication date: April 16, 2020Inventors: Masahiro SAKUTA, Shin OKAWA, Yoshiki MATOBA
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Publication number: 20190214240Abstract: Disclosed is an apparatus for and a method of mass analysis, the apparatus and the method being capable of improving a detection accuracy of a target substance including impurities, without increasing a size of the apparatus, and shortening measuring time. The apparatus analyzing a sample containing a target substance and one or more interfering substances, which have a peak of a mass spectrum overlapping that of the target substance includes: a peak correction unit calculating an intensity of net peak D of the mass spectrum of the target substance by subtracting a total sum of estimated intensities of the peak B, which are calculated every predetermined time interval according to the intensity of the peak A and a nonlinear relation F between the peak A and the peak B, from an intensity of peak C of a mass spectrum of the target substance of the sample.Type: ApplicationFiled: January 10, 2019Publication date: July 11, 2019Inventors: Masahiro SAKUTA, Yoshiki MATOBA
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Publication number: 20190025174Abstract: Disclosed is an apparatus for and a method of mass analysis in which a presence of an accessory substance which is difficult to be analyzed can be recognized visually and clearly. The apparatus for mass analysis analyzes a sample containing a substance to be measured and includes: a display unit; a memory unit storing a theoretical peak obtained by calculation with respect to a region of a mass spectrum of the substance; a matching degree calculation unit calculating a matching degree from multiple peaks that each of the mass spectrum of the sample in the region and the theoretical peak have; a matching degree displaying control unit displaying the matching degree on the display unit; and a superimposition displaying control unit displaying the mass spectrum of the sample and the theoretical peak in a superimposed way in a manner that is consistent with a mass-to-charge ratio.Type: ApplicationFiled: July 20, 2018Publication date: January 24, 2019Inventor: Masahiro SAKUTA
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Publication number: 20190027349Abstract: Disclosed is a mass analysis apparatus and method, wherein the precision of detection of a first material including a second material is improved, without enlarging the apparatus, and the measurement time is reduced. The mass analysis apparatus for analyzing a sample containing a first material including an organic compound and at least one second material including an organic compound and having a mass spectrum peak overlapping that of the first material includes a peak correction unit, wherein, when an intensity ratio (peak B)/(peak A) of peak A, not overlapping that of the first material, and peak B, overlapping that of the first material, is a correction coefficient (W), an intensity of a net peak D of the mass spectrum of the first material is calculated by subtracting W×(intensity of peak A) from an intensity of a peak C of the mass spectrum of the first material in the sample.Type: ApplicationFiled: July 20, 2018Publication date: January 24, 2019Inventors: Masahiro SAKUTA, Shin OKAWA, Yoshiki MATOBA
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Publication number: 20190025123Abstract: A spectral data processing apparatus where a particular spectrum is displayed on a display based on 3D spectral data having time, signal intensities, and a prescribed parameter, comprising: a 2D spectrum calculating unit compiling the signal intensities for each point in time and calculating 2D spectrum of the signal intensities and the prescribed parameter, based on the spectral data; a signal-intensity-time change calculating unit calculating change in signal intensity over time for each value of the prescribed parameter, based on the spectral data; and a display controlling unit displaying, on the display, the 2D spectrum and the change in the signal intensity over time in superimposed manner using multicolor, light and shading, or change in brightness, so that the change in signal intensity over time is displayed to match the prescribed parameter of the 2D spectrum and the time changes along the axis of signal intensities of the 2D spectrum.Type: ApplicationFiled: July 20, 2018Publication date: January 24, 2019Inventor: Masahiro SAKUTA
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Patent number: 9784700Abstract: A fluorescent X-ray analyzer includes a sample stage, an X-ray source that irradiates a sample with primary X-rays, a detector that detects secondary X-rays generated from the sample, a position adjustment mechanism that adjusts relative positions of the sample stage and the primary X-rays, an observation mechanism that obtains an observation image of the sample, and a computer having a display unit and an input unit. The computer has a function of, in response to a pointer being moved from a central region of the observation screen to a certain position by dragging the input unit while maintaining a state in which an input element of the input unit is held, moving the sample stage in a movement direction and at a movement speed corresponding to a direction and a distance of the certain position relative to the central region.Type: GrantFiled: February 2, 2015Date of Patent: October 10, 2017Assignee: Hitachi High-Tech Science CorporationInventor: Masahiro Sakuta
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Patent number: 9719949Abstract: A sample plate is for X-ray analysis to which a sample is fixed in performing an analysis using an X-ray fluorescent analyzer, and includes: a plate-like body that supports the sample; and a code-indicated portion provided on the plate-like body in which information on the sample is encoded and indicated.Type: GrantFiled: July 7, 2015Date of Patent: August 1, 2017Assignee: Hitachi High-Tech Science CorporationInventor: Masahiro Sakuta
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Publication number: 20160011129Abstract: An sample plate is for X-ray analysis to which a sample is fixed in performing an analysis using an X-ray fluorescent analyzer, and includes: a plate-like body that supports the sample; and a code-indicated portion provided on the plate-like body in which an information on the sample is encoded and indicated.Type: ApplicationFiled: July 7, 2015Publication date: January 14, 2016Applicant: Hitachi High-Tech Science CorporationInventor: Masahiro Sakuta
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Patent number: 9188553Abstract: An X-ray fluorescence analyzer includes a sample stage having an opening at an X-ray irradiation position, an X-ray source which irradiates a sample placed on the opening with a primary X-ray from below, a detector which detects an X-ray fluorescence generated from the sample, a transparent drop prevention plate supported to be advanced and retracted immediately below the opening, a drive mechanism which advances and retracts the drop prevention plate, an observation camera which observes the drop prevention plate positioned immediately below the opening, and an operation unit which processes an image of the drop prevention plate which is captured by the observation camera. The operation unit detects a foreign matter on the drop prevention plate based on an image difference between images before and after the drive mechanism moves or vibrates the drop prevention plate within an observation range of the observation camera.Type: GrantFiled: March 24, 2014Date of Patent: November 17, 2015Assignee: Hitachi High-Tech Science CorporationInventors: Masahiro Sakuta, Kiyoshi Hasegawa, Yoshiki Matoba
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Publication number: 20150268179Abstract: An X-ray analyzer includes a sample stage, an X-ray source that irradiates a sample with primary X-rays, a detector that detects secondary X-rays generated from the sample, a position adjustment mechanism that adjusts relative positions of the sample stage and the primary X-rays, an observation mechanism that obtains an observation image of the sample, and a computer having a display unit and an input unit. The computer has a function of, in response to a pointer being moved from a central region of the observation screen to a certain position by dragging the input unit with keeping a holding state, moving the sample stage in a movement direction and at a movement speed corresponding to a direction and a distance of the certain position relative to the central region.Type: ApplicationFiled: February 2, 2015Publication date: September 24, 2015Applicant: HITACHI HIGH-TECH SCIENCE CORPORATIONInventor: Masahiro Sakuta
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Publication number: 20140286474Abstract: An X-ray fluorescence analyzer includes a sample stage having an opening at an X-ray irradiation position, an X-ray source which irradiates a sample placed on the opening with a primary X-ray from below, a detector which detects an X-ray fluorescence generated from the sample, a transparent drop prevention plate supported to be advanced and retracted immediately below the opening, a drive mechanism which advances and retracts the drop prevention plate, an observation camera which observes the drop prevention plate positioned immediately below the opening, and an operation unit which processes an image of the drop prevention plate which is captured by the observation camera. The operation unit detects a foreign matter on the drop prevention plate based on an image difference between images before and after the drive mechanism moves or vibrates the drop prevention plate within an observation range of the observation camera.Type: ApplicationFiled: March 24, 2014Publication date: September 25, 2014Applicant: HITACHI HIGH-TECH SCIENCE CORPORATIONInventors: Masahiro Sakuta, Kiyoshi Hasegawa, Yoshiki Matoba