Patents by Inventor Takao Yasui

Takao Yasui 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).

  • Publication number: 20240110248
    Abstract: The present disclosure provides a body fluid extract comprising micro RNA.
    Type: Application
    Filed: October 12, 2023
    Publication date: April 4, 2024
    Inventors: Takao Yasui, Daikl TAKESHITA, Yoshinobu BABA
  • Patent number: 11845975
    Abstract: The present disclosure provides a body fluid extract comprising micro RNA.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: December 19, 2023
    Assignee: Craif Inc.
    Inventors: Takao Yasui, Daiki Takeshita, Yoshinobu Baba
  • Publication number: 20230357746
    Abstract: The present disclosure provides a method for extracting a biomolecule. The present disclosure provides a method for extracting a cell-free DNA. The present disclosure provides a method for concentrating a DNA having a non-base pairing base. The present disclosure provides a method for concentrating a DNA having a low methylation modification level.
    Type: Application
    Filed: September 17, 2021
    Publication date: November 9, 2023
    Inventors: Takao YASUI, Yoshinobu BABA, Walaru SHINODA, Atsushi NATSUME
  • Publication number: 20230265521
    Abstract: The present disclosure provides a body fluid extract containing micro RNA. According to the present disclosure, an extract of body fluid containing any of the micro RNA described in data S1 or table 2, or in any of tables 4-1 to 4-15, is provided.
    Type: Application
    Filed: September 8, 2020
    Publication date: August 24, 2023
    Inventors: Takao YASUI, Yoshinobu BABA, Yuki ICHIKAWA
  • Patent number: 11571695
    Abstract: The present disclosure provides a device for separating biomolecules comprising a substrate having a planar surface, nanowires disposed on at least a portion of the planar surface, and a fluid chamber formed to include at least a portion of the nanowires.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: February 7, 2023
    Assignee: Craif Inc.
    Inventors: Takao Yasui, Yoshinobu Baba
  • Publication number: 20220349888
    Abstract: Provided are a novel biomarker for a brain tumor and a method for using the same. A method for detecting a brain tumor, the method comprising the step of detecting specific miRNA as biomarker.
    Type: Application
    Filed: September 24, 2020
    Publication date: November 3, 2022
    Inventors: Takao YASUI, Yoshinobu BABA, Atsushi NATSUME
  • Publication number: 20220033803
    Abstract: The present invention provides a novel miRNA extraction method and a method for analyzing miRNA extracted by using said miRNA extraction method. According to the present invention, provided is, for example, a method for extracting miRNA from extracellular vesicles in a sample solution, by using a device capable of capturing extracellular vesicles, the miRNA extraction method comprising: an extracellular vesicle capturing step for capturing extracellular vesicles in a sample solution onto a device by bringing the sample solution and the device in contact with each other; and a miRNA extraction step for homogenizing the extracellular vesicles by bringing the device having captured the extracellular vesicles in contact with a homogenization liquid for extracellular vesicles to extract miRNA from the extracellular vesicle into the homogenization liquid.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 3, 2022
    Inventors: Takao YASUI, Yoshinobu BABA
  • Publication number: 20220026323
    Abstract: The present invention provides a novel miRNA extraction method and a method for analyzing miRNA extracted by using said miRNA extraction method. According to the present invention, provided is, for example, a method for extracting miRNA from extracellular vesicles in a sample solution, by using a device capable of capturing extracellular vesicles, the miRNA extraction method comprising: an extracellular vesicle capturing step for capturing extracellular vesicles in a sample solution onto a device by bringing the sample solution and the device in contact with each other; and a miRNA extraction step for homogenizing the extracellular vesicles by bringing the device having captured the extracellular vesicles in contact with a homogenization liquid for extracellular vesicles to extract miRNA from the extracellular vesicle into the homogenization liquid.
    Type: Application
    Filed: October 30, 2019
    Publication date: January 27, 2022
    Inventors: Takao YASUI, Yoshinobu BABA, Hirotaka KOGA
  • Patent number: 11169071
    Abstract: In a method for analyzing samples involving the use of a device for analyzing samples, the device for analyzing samples includes at least a movement part through which a sample moves, and a measurement unit that is formed in a middle of the movement part and that measures a value of an ion current when the sample passes through the movement part. The analysis method includes at least a measurement step for measuring the value of the ion current when the sample passes through the movement part, and a determination step for determining a change over time in a quantity of ions from the value of the ion current measured in the measurement step. The quantity of ions includes a quantity of ions that have leaked from the sample during movement of the sample through the movement part.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: November 9, 2021
    Assignees: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, OSAKA UNIVERSITY, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Hirotoshi Yasaki, Takao Yasui, Noritada Kaji, Yoshinobu Baba, Tomoji Kawai, Satoyuki Kawano, Kentaro Doi, Takeshi Yanagida, Mao Fukuyama
  • Patent number: 10877021
    Abstract: A device for biological material detection includes a substrate; a through-hole through which a biological material to be tested passes, the through-hole being formed in the substrate; a molecule that interacts with the biological material to be tested passing through, the molecule being formed in the through-hole; a first chamber member that forms, with at least the surface including the through-hole on one surface side of the substrate, a first chamber to be filled with electrolyte; and a second chamber member that forms, with at least the surface including the through-hole on the other surface side of the substrate, a second chamber to be filled with electrolyte. The biological material to be tested is identified by the waveform of the ion current (passage time, shape, etc.) when the biological material to be tested passes through the through-hole.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: December 29, 2020
    Assignees: OSAKA UNIVERSITY, TOKYO INSTITUTE OF TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Makusu Tsutsui, Kazumichi Yokota, Masateru Taniguchi, Tomoji Kawai, Mina Okochi, Masayoshi Tanaka, Yoshinobu Baba, Noritada Kaji, Takao Yasui, Yuji Miyahara, Yukichi Horiguchi
  • Patent number: 10830685
    Abstract: Provided is a device for electrical measurement designed to be able to perform high sensitivity detection by reading not only changes in steady-state current, but also the occurrence of transient current, and an electrical measurement apparatus including the device for electrical measurement. The device for electrical measurement includes a substrate on which are formed at least a sample separation channel and a sample migration channel, as well as a sample measuring unit, with one end of the sample separation channel formed to connect to one end of the sample migration channel, and the sample measuring unit including a first measuring unit connected to the sample migration channel, and a second measuring unit connected to the sample migration channel from the reverse side to the first measuring unit.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: November 10, 2020
    Assignee: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Yoshinobu Baba, Noritada Kaji, Takao Yasui, Tomoji Kawai, Takeshi Yanagida
  • Publication number: 20200255906
    Abstract: The present disclosure provides a body fluid extract comprising micro RNA.
    Type: Application
    Filed: December 10, 2019
    Publication date: August 13, 2020
    Inventors: Takao YASUI, Daiki TAKESHITA, Yoshinobu BABA
  • Publication number: 20200164375
    Abstract: The present disclosure provides a device for separating biomolecules comprising a substrate having a planar surface, nanowires disposed on at least a portion of the planar surface, and a fluid chamber formed to include at least a portion of the nanowires.
    Type: Application
    Filed: July 5, 2019
    Publication date: May 28, 2020
    Inventors: Takao YASUI, Yoshinobu BABA
  • Publication number: 20200033248
    Abstract: In a method for analyzing samples involving the use of a device for analyzing samples, the device for analyzing samples includes at least a movement part through which a sample moves, and a measurement unit that is formed in a middle of the movement part and that measures a value of an ion current when the sample passes through the movement part. The analysis method includes at least a measurement step for measuring the value of the ion current when the sample passes through the movement part, and a determination step for determining a change over time in a quantity of ions from the value of the ion current measured in the measurement step. The quantity of ions includes a quantity of ions that have leaked from the sample during movement of the sample through the movement part.
    Type: Application
    Filed: October 4, 2017
    Publication date: January 30, 2020
    Inventors: Hirotoshi YASAKI, Takao YASUI, Noritada KAJI, Yoshinobu BABA, Tomoji KAWAI, Satoyuki KAWANO, Kentaro DOI, Takeshi YANAGIDA, Mao FUKUYAMA
  • Publication number: 20190128888
    Abstract: A device for biological material detection includes a substrate; a through-hole through which a biological material to be tested passes, the through-hole being formed in the substrate; a molecule that interacts with the biological material to be tested passing through, the molecule being formed in the through-hole; a first chamber member that forms, with at least the surface including the through-hole on one surface side of the substrate, a first chamber to be filled with electrolyte; and a second chamber member that forms, with at least the surface including the through-hole on the other surface side of the substrate, a second chamber to be filled with electrolyte. The biological material to be tested is identified by the waveform of the ion current (passage time, shape, etc.) when the biological material to be tested passes through the through-hole.
    Type: Application
    Filed: April 21, 2017
    Publication date: May 2, 2019
    Inventors: Makusu TSUTSUI, Kazumichi YOKOTA, Masateru TANIGUCHI, Tomoji KAWAI, Mina OKOCHI, Masayoshi TANAKA, Yoshinobu BABA, Noritada KAJI, Takao YASUI, Yuji MIYAHARA, Yukichi HORIGUCHI
  • Publication number: 20180284179
    Abstract: A transmission apparatus includes a first circuit, a second circuit, and a connector that couples the first circuit and the second circuit to each other, the first circuit includes a signal generation circuit that outputs an alternate current signal of a predetermined power at a frequency from a carrier frequency to three times the carrier frequency, and one of the first circuit and the second circuit includes a determination circuit that evaluates a fit state at the connector by determining whether the first circuit and the second circuit are fitted to each other via the connector based on the predetermined power and a power of the alternate current signal received by the determination circuit via the connector.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Masato Hashizume, Masato KOBAYASHI, Takao YASUI
  • Publication number: 20180100792
    Abstract: Provided is a device for electrical measurement designed to be able to perform high sensitivity detection by reading not only changes in steady-state current, but also the occurrence of transient current, and an electrical measurement apparatus including the device for electrical measurement. The device for electrical measurement includes a substrate on which are formed at least a sample separation channel and a sample migration channel, as well as a sample measuring unit, with one end of the sample separation channel formed to connect to one end of the sample migration channel, and the sample measuring unit including a first measuring unit connected to the sample migration channel, and a second measuring unit connected to the sample migration channel from the reverse side to the first measuring unit.
    Type: Application
    Filed: April 6, 2016
    Publication date: April 12, 2018
    Inventors: Yoshinobu BABA, Noritada KAJI, Takao YASUI, Tomoji KAWAI, Takeshi YANAGIDA
  • Publication number: 20170288676
    Abstract: The communication apparatus includes a logical device, a wiring line, and a changing unit; the logical device is a programmable device; the wiring line supplies a voltage to the logical device; and the changing unit changes a frequency characteristic of the wiring line based on an operating characteristic obtained by monitoring of the operating characteristic of the logical device for operating by receiving supply of the voltage. According to this, occurrence of voltage drop can be suppressed even if a circuit configured in a programmable logical device is changed.
    Type: Application
    Filed: February 28, 2017
    Publication date: October 5, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Ryuta Hoshi, Masato KOBAYASHI, Yasuhiro OBA, YUKI MURAKAMI, Takao YASUI, Masao MAEDA, Masato Hashizume, Yusuke Tanaka, Tatsuru MISAKI, YUUTAROU TATEISHI
  • Patent number: 7725364
    Abstract: In a part catalog creating system, a part table containing design change numbers respectively set for parts, and header numbers, part numbers, and quantity of the parts, each of which corresponds to the design change numbers, is created, and product number data that contains design change number of part used for manufacturing each product is created, and information that coincides with the product number data is selected from the part table, thereby creating a product number list. The product number list and images of parts corresponding to the product number list are combined and the part catalog data for each product number is output. Thus, the part catalog can be easily created without errors.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: May 25, 2010
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Shigetsugu Tanaka, Masami Ueda, Koichiro Nishi, Kenzo Okamoto, Takao Yasui
  • Publication number: 20040199434
    Abstract: In a part catalog creating system, a part table containing design change numbers respectively set for parts, and header numbers, part numbers, and quantity of the parts, each of which corresponds to the design change numbers, is created, and product number data that contains design change number of part used for manufacturing each product is created, and information that coincides with the product number data is selected from the part table, thereby creating a product number list. The product number list and images of parts corresponding to the product number list are combined and the part catalog data for each product number is output. Thus, the part catalog can be easily created without errors.
    Type: Application
    Filed: February 6, 2004
    Publication date: October 7, 2004
    Inventors: Shigetsugu Tanaka, Masami Ueda, Nishi Koichiro, Kenzo Okamoto, Takao Yasui