Patents by Inventor Yuko Sasaki
Yuko Sasaki 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: 20240122988Abstract: The present invention relates to a synapse formation promoter and a brain plasticity promoter comprising CD24-negative mesenchymal stem cells prepared from a patient's own bone marrow aspirate and treatment of dementia, chronic-phase cerebral infarction, chronic-phase spinal cord injury, mental diseases, and the like using the synapse formation promoter and brain plasticity promoter.Type: ApplicationFiled: April 26, 2023Publication date: April 18, 2024Applicants: Sapporo Medical University, Nipro CorporationInventors: Osamu Honmou, Masanori Sasaki, Rie Maezawa, Shinichi Oka, Yuko Sasaki, Masahito Nakazaki, Toshihiko Yamashita
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Patent number: 11898968Abstract: Disclosed is a solution for quickly specifying an optical condition of a wafer to be inspected, and in particular, accelerating optical condition setting after obtaining a customer wafer.Type: GrantFiled: May 15, 2019Date of Patent: February 13, 2024Assignee: Hitachi High-Tech CorporationInventors: Taichi Maeda, Yuko Sasaki
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Publication number: 20230377837Abstract: Charged particle beam apparatus includes: a charged particle optical system to irradiate a sample with a pulsed charged particle beam; an optical system to irradiate the sample with light; a detector configured to detect a secondary charged particle emitted by irradiating the sample with the pulsed charged particle beam; a control unit configured to control the charged particle optical system to irradiate the sample with the pulsed charged particle beam under a predetermined electron beam pulse condition, and control the optical system to irradiate the sample with the light under a predetermined light irradiation condition; and a computation device configured to set the predetermined light irradiation condition based on a difference between a secondary charged particle signal amount detected under a first electron beam pulse condition and a secondary charged particle signal amount detected under a second electron beam pulse condition different from the first electron beam pulse condition.Type: ApplicationFiled: October 26, 2020Publication date: November 23, 2023Inventors: Yohei NAKAMURA, Natsuki TSUNO, Yasuhiro SHIRASAKI, Minami SHOUJI, Shota MITSUGI, Yuko SASAKI
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Patent number: 11666601Abstract: The present invention relates to a synapse formation promoter and a brain plasticity promoter comprising CD24-negative mesenchymal stem cells prepared from a patient's own bone marrow aspirate and treatment of dementia, chronic-phase cerebral infarction, chronic-phase spinal cord injury, mental diseases, and the like using the synapse formation promoter and brain plasticity promoter.Type: GrantFiled: April 26, 2017Date of Patent: June 6, 2023Assignees: Sapporo Medical University, Nipro CorporationInventors: Osamu Honmou, Masanori Sasaki, Rie Maezawa, Shinichi Oka, Yuko Sasaki, Masahito Nakazaki, Toshihiko Yamashita
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Publication number: 20220359149Abstract: To provide a charged particle beam device including a booster electrode and an object lens that generates a magnetic field in a vicinity of a sample, and capable of preventing ion discharge, an insulator is disposed between a magnetic field lens and the booster electrode. A tip of the insulator protrudes to a tip side of an upper magnetic path from a tip of a lower magnetic path of the magnetic field lens. The tip on a lower side of the insulator is above the lower magnetic path, and a non-magnetic metal electrode is embedded between the upper magnetic path and the lower magnetic path.Type: ApplicationFiled: July 2, 2019Publication date: November 10, 2022Applicant: Hitachi High-Tech CorporationInventors: Makoto SAKAKIBARA, Momoyo ENYAMA, Hajime KAWANO, Makoto SUZUKI, Kenji TANIMOTO, Yuko SASAKI
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Publication number: 20220252525Abstract: The present invention addresses the problem of quickly specifying an optical condition of a wafer to be inspected, and in particular, accelerating optical condition setting after obtaining a customer wafer.Type: ApplicationFiled: May 15, 2019Publication date: August 11, 2022Inventors: Taichi MAEDA, Yuko SASAKI
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Publication number: 20220133805Abstract: The present invention relates to a pharmaceutical composition for treating amyotrophic lateral sclerosis. More specifically, the present invention relates to a pharmaceutical composition for treating amyotrophic lateral sclerosis, wherein the pharmaceutical composition comprises mesenchymal stem cells and is intravenously administered.Type: ApplicationFiled: March 13, 2020Publication date: May 5, 2022Applicants: Sapporo Medical University, Nipro CorporationInventors: Osamu HONMOU, Masanori SASAKI, Yuko SASAKI, Shinichi OKA, Masahito NAKAZAKI, Rie MAEZAWA
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Publication number: 20220125850Abstract: The present invention relates to a pharmaceutical composition containing mesenchymal stem cells administered to a patient subjected to stenting. The present invention relates specifically to: a pharmaceutical composition for repairing and regenerating tissue, comprising mesenchymal stem cells, wherein the pharmaceutical composition is administered to a patient subjected to stenting; and the prevention of in-stent neointimal hyperplasia or in-stent restenosis with the pharmaceutical composition.Type: ApplicationFiled: February 7, 2020Publication date: April 28, 2022Applicants: Sapporo Medical University, Nipro CorporationInventors: Osamu HONMOU, Masanori SASAKI, Yuko SASAKI, Shinichi OKA, Masahito NAKAZAKI, Rie MAEZAWA
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Patent number: 11152186Abstract: An object of the present disclosure is to propose a charged particle beam device capable of appropriately evaluating and setting a beam aperture angle. As one aspect for achieving the above-described object, provided is a charged particle beam device which includes a plurality of lenses and controls the plurality of lenses so as to set a focus at a predetermined height of a sample and to adjust the beam aperture angle. The charged particle beam device generates a first signal waveform based on a detection signal obtained by scanning with the beam in a state where the focus is set at a first height that is a bottom portion of a pattern formed on the sample, calculates a feature amount of a signal waveform on a bottom edge of the pattern based on the first signal waveform, and calculates the beam aperture angle based on the calculated feature amount.Type: GrantFiled: March 15, 2019Date of Patent: October 19, 2021Assignee: Hitachi High-Tech CorporationInventors: Wataru Yamane, Minoru Yamazaki, Yuko Sasaki, Wataru Mori, Takashi Doi
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Patent number: 10991542Abstract: The purpose of the present invention is to provide a charged particle beam device which adjusts brightness and contrast or adjusts focus and the like appropriately in a short time even if there are few detected signals. Proposed as an aspect for achieving this purpose is a charged particle beam device provided with: a detector for detecting charged particles obtained on the basis of irradiation of a specimen with a charged particle beam emitted from a charged particle source; and a control unit for processing a signal obtained on the basis of the output of the detector, wherein the control unit performs statistical processing on gray level values in a predetermined region of an image generated on the basis of the output of the detector, and executes signal processing for correcting a difference between a statistical value obtained by the statistical processing and reference data relating to the gray level values of the image.Type: GrantFiled: January 27, 2017Date of Patent: April 27, 2021Assignee: Hitachi High-Tech CorporationInventors: Ryota Watanabe, Yuko Sasaki, Kazunari Asao, Makoto Suzuki, Wataru Mori, Minoru Yamazaki
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Patent number: 10770266Abstract: A charged particle beam device includes an electron source which generates an electron beam, an objective lens which is applied with a coil current to converge the electron beam on a sample, a control unit which controls the current to be applied to the objective lens, a hysteresis characteristic storage unit which stores hysteresis characteristic information of the objective lens, a history information storage unit which stores history information related to the coil current, and an estimation unit which estimates a magnetic field generated by the objective lens on the basis of the coil current, the history information, and the hysteresis characteristic information.Type: GrantFiled: June 10, 2019Date of Patent: September 8, 2020Assignee: Hitachi High-Tech CorporationInventors: Tomohito Nakano, Toshiyuki Yokosuka, Yuko Sasaki, Minoru Yamazaki, Yuzuru Mochizuki
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Patent number: 10707047Abstract: A measuring device for measuring a sample by emitting a charged particle beam includes a particle source, an electronic lens, a detector, a stage, a sensor for measuring the environment, and a control device, in which the control device includes a control module having a height calculation module configured to calculate a height estimation value indicating an estimated height of the sample at a measurement position; and a correction value calculation module configured to calculate a correction value reflecting a change of the environment based on the measurement position of the sample and an amount of change of the environment measured by the sensor, and the control module corrects the height estimation value based on the correction value, and sets a control value for controlling focus adjustment using the electronic lens based on the corrected height estimation value.Type: GrantFiled: August 31, 2016Date of Patent: July 7, 2020Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Noritsugu Takahashi, Makoto Sakakibara, Wataru Mori, Hajime Kawano, Yuko Sasaki
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Patent number: 10692687Abstract: A low noise blanking unit corresponds to a wide range of acceleration voltages (from several times higher than related voltages to low acceleration voltages) of an electron beam. A blanking unit of the measurement and inspection device includes a blanking control circuit, in which (i) an upper and a lower blanking electrodes are arranged in the irradiation direction of an electron beam; electrodes on the reverse sides of two opposing electrodes in each of the blanking electrodes arranged in the same direction are connected with the ground, (ii) when blanking is ON, positive voltages are output to remaining electrodes of the upper blanking electrode and negative voltages are output to remaining electrodes of the lower blanking electrode, and (iii) when the blanking is OFF, the same ground reference signal is output to the remaining electrodes of the upper blanking electrode and to the remaining electrodes of the lower blanking electrode.Type: GrantFiled: January 18, 2019Date of Patent: June 23, 2020Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Wen Li, Shinichi Murakami, Hiroyuki Takahashi, Yuko Sasaki, Minoru Yamazaki, Hajime Kawano
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Patent number: 10566172Abstract: A charged particle beam apparatus with reduced frequency of lens resetting operations and thus with improved throughput. The apparatus includes an electron source configured to generate an electron beam, an objective lens to which coil current is adapted to be applied to converge the electron beam on a sample, a focal position adjustment device configured to adjust the focal position of the electron beam, a detector configured to detect electrons from the sample, a display unit configured to display an image of the sample in accordance with a signal from the detector, a storage unit configured to store information on the hysteresis characteristics of the objective lens, and an estimation unit configured to estimate a magnetic field generated by the objective lens on the basis of the coil current, the amount of adjustment of the focal position by the focal position adjustment device, and the information on the hysteresis characteristics.Type: GrantFiled: November 8, 2018Date of Patent: February 18, 2020Assignee: Hitachi High-Technologies CorporationInventors: Tomohito Nakano, Toshiyuki Yokosuka, Yuko Sasaki, Minoru Yamazaki, Yuzuru Mochizuki
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Publication number: 20200035449Abstract: A charged particle beam device includes an electron source which generates an electron beam, an objective lens which is applied with a coil current to converge the electron beam on a sample, a control unit which controls the current to be applied to the objective lens, a hysteresis characteristic storage unit which stores hysteresis characteristic information of the objective lens, a history information storage unit which stores history information related to the coil current, and an estimation unit which estimates a magnetic field generated by the objective lens on the basis of the coil current, the history information, and the hysteresis characteristic information.Type: ApplicationFiled: June 10, 2019Publication date: January 30, 2020Inventors: Tomohito NAKANO, Toshiyuki YOKOSUKA, Yuko SASAKI, Minoru YAMAZAKI, Yuzuru MOCHIZUKI
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Publication number: 20190362931Abstract: The purpose of the present invention is to provide a charged particle beam device which adjusts brightness and contrast or adjusts focus and the like appropriately in a short time even if there are few detected signals. Proposed as an aspect for achieving this purpose is a charged particle beam device provided with: a detector for detecting charged particles obtained on the basis of irradiation of a specimen with a charged particle beam emitted from a charged particle source; and a control unit for processing a signal obtained on the basis of the output of the detector, wherein the control unit performs statistical processing on gray level values in a predetermined region of an image generated on the basis of the output of the detector, and executes signal processing for correcting a difference between a statistical value obtained by the statistical processing and reference data relating to the gray level values of the image.Type: ApplicationFiled: January 27, 2017Publication date: November 28, 2019Inventors: Ryota WATANABE, Yuko SASAKI, Kazunari ASAO, Makoto SUZUKI, Wataru MORI, Minoru YAMAZAKI
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Publication number: 20190318906Abstract: A low noise blanking unit corresponds to a wide range of acceleration voltages (from several times higher than related voltages to low acceleration voltages) of an electron beam. A blanking unit of the measurement and inspection device includes a blanking control circuit, in which (i) an upper and a lower blanking electrodes are arranged in the irradiation direction of an electron beam; electrodes on the reverse sides of two opposing electrodes in each of the blanking electrodes arranged in the same direction are connected with the ground, (ii) when blanking is ON, positive voltages are output to remaining electrodes of the upper blanking electrode and negative voltages are output to remaining electrodes of the lower blanking electrode, and (iii) when the blanking is OFF, the same ground reference signal is output to the remaining electrodes of the upper blanking electrode and to the remaining electrodes of the lower blanking electrode.Type: ApplicationFiled: January 18, 2019Publication date: October 17, 2019Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Wen LI, Shinichi MURAKAMI, Hiroyuki TAKAHASHI, Yuko SASAKI, Minoru YAMAZAKI, Hajime KAWANO
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Publication number: 20190311875Abstract: An object of the present disclosure is to propose a charged particle beam device capable of appropriately evaluating and setting a beam aperture angle. As one aspect for achieving the above-described object, provided is a charged particle beam device which includes a plurality of lenses and controls the plurality of lenses so as to set a focus at a predetermined height of a sample and to adjust the beam aperture angle. The charged particle beam device generates a first signal waveform based on a detection signal obtained by scanning with the beam in a state where the focus is set at a first height that is a bottom portion of a pattern formed on the sample, calculates a feature amount of a signal waveform on a bottom edge of the pattern based on the first signal waveform, and calculates the beam aperture angle based on the calculated feature amount.Type: ApplicationFiled: March 15, 2019Publication date: October 10, 2019Inventors: Wataru YAMANE, Minoru YAMAZAKI, Yuko SASAKI, Wataru MORI, Takashi DOI
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Publication number: 20190227067Abstract: [Problem] The present invention addresses the problem of providing a novel biomarker which makes it possible to find the prognosis of glioma, the risk of distant recurrence of glioma, the invasion ability of glioma cells and the like and also makes it possible to detect the prognosis, the risk, the invasion ability or the like in an earlier stage of a therapy of glioma. [Solution] The present invention relates to a method for evaluating the prognosis of glioma, said method comprising the steps of: detecting ACTC1 protein and/or mRNA encoding the protein in a glioma-containing sample collected from a patient; and determining that the prognosis of the glioma is poor when the ACTC1 protein and/or the mRNA encoding the protein is detected in the aforementioned step. According to the present invention, the prognosis of glioma, the risk of distant recurrence of glioma, the invasion ability and the like can be evaluated using a novel biomarker, i.e., ACTC1 protein and/or mRNA encoding the protein.Type: ApplicationFiled: July 28, 2016Publication date: July 25, 2019Applicant: SAPPORO MEDICAL UNIVERSITYInventors: Osamu HONMOU, Masahiko WANIBUCHI, Shunya OHTAKI, Masanori SASAKI, Yuko SASAKI, Nobuhiro MIKUNI
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Publication number: 20190206654Abstract: A measuring device for measuring a sample by emitting a charged particle beam includes a particle source, an electronic lens, a detector, a stage, a sensor for measuring the environment, and a control device, in which the control device includes a control module having a height calculation module configured to calculate a height estimation value indicating an estimated height of the sample at a measurement position; and a correction value calculation module configured to calculate a correction value reflecting a change of the environment based on the measurement position of the sample and an amount of change of the environment measured by the sensor, and the control module corrects the height estimation value based on the correction value, and sets a control value for controlling focus adjustment using the electronic lens based on the corrected height estimation value.Type: ApplicationFiled: August 31, 2016Publication date: July 4, 2019Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATIONInventors: Noritsugu TAKAHASHI, Makoto SAKAKIBARA, Wataru MORI, Hajime KAWANO, Yuko SASAKI