Patents by Inventor Michihiko Nishigaki

Michihiko Nishigaki 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: 20200408663
    Abstract: According to one embodiment, a monitoring device includes a detector unit including an image transfer element comprising an incident surface which allows light to enter from a light-transmissive base material on which a microbody is placed and an emission surface which emits the light entering from the incident surface, which transfers two-dimensional image data of the microbody to a semiconductor optical sensor, and the semiconductor optical sensor which receives light from the emission surface.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kaita IMAI, Shouhei KOUSAI, Michihiko NISHIGAKI
  • Patent number: 10646899
    Abstract: According to one embodiment, a cell sorter includes a flow channel which supplies a sample liquid containing particles, a plurality of branch channels connected to the flow channel, an image sensor which has a pixel region covering the flow channel and the branch channels, a determination unit which determines the characteristics of the particles in the sample liquid from a measurement signal of the pixel region, and a separation unit guides the particles in the sample liquid to any of the branch channels based on the determination result of the determination unit.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: May 12, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kaita Imai, Shouhei Kousai, Yosuke Akimoto, Michihiko Nishigaki, Yutaka Onozuka, Miyu Nagai
  • Patent number: 10533934
    Abstract: According to one embodiment, a particle inspection system includes a voltage driving circuit which applies a driving voltage for a particle inspection to a particle inspection chip, a current-voltage conversion circuit which converts, into a voltage signal, a current signal output from the particle inspection chip when the driving voltage is applied to the particle inspection chip, a detection circuit which detects, based on the voltage signal, whether the sample liquid is introduced into a detection region of the particle inspection chip, and an analysis circuit which analyzes the fine particle, in the sample liquid based on the voltage signal. The voltage driving circuit varies the driving voltage based on the detection result of the detection circuit.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: January 14, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Michihiko Nishigaki, Hiroshi Hamasaki, Naofumi Nakamura, Kentaro Kobayashi, Hiroko Miki
  • Publication number: 20190283284
    Abstract: According to one embodiment, a method of manufacturing a microchannel includes coating a silicone resin onto a mold corresponding to a microchannel and a first opening communicating with the microchannel, curing the silicone resin by light using a mask having a light shielding portion corresponding to the first opening, removing an uncured silicone resin, and releasing the cured silicone resin from the mold.
    Type: Application
    Filed: August 27, 2018
    Publication date: September 19, 2019
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Michihiko NISHIGAKI, Miyu NAGAI, Shouhei KOUSAI, Yosuke AKIMOTO, Kaita IMAI, Yutaka ONOZUKA
  • Patent number: 10379440
    Abstract: According to one embodiment, a pattern forming method includes forming a resist pattern on a substrate, forming a first silicone resin layer so as to bury the resist pattern on the substrate, pressing a film on the surface of the first silicone resin layer to adhere the film thereto, curing the first silicone resin layer after the adhesion of the film, peeling the film from the first silicone resin layer before or after the curing of the first silicone resin layer, and removing the resist pattern after the peeling of the film.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: August 13, 2019
    Assignee: KABUSHIKI KASHIA TOSHIBA
    Inventors: Michihiko Nishigaki, Yutaka Onozuka, Shouhei Kousai, Yosuke Akimoto, Miyu Nagai, Kaita Imai
  • Patent number: 10337976
    Abstract: According to one embodiment, a microanalysis chip includes a substrate, a flow channel in which a sample liquid is allowed to flow, the flow channel being provided on a main surface side of the substrate, a reservoir in which the sample liquid is allowed to be stored, the reservoir being provided on a main surface of the substrate, including a bank having a go-around shape and further including a liquid introduction inlet for connection to an end of the flow channel, the liquid introduction inlet being provided on the main surface of the substrate in the bank, and a filter which is provided between the liquid introduction inlet and the end of the flow channel and includes a first micropore for allowing passage of a fine particle in the sample liquid.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: July 2, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Michihiko Nishigaki, Yutaka Onozuka, Kentaro Kobayashi, Hiroshi Hamasaki, Naofumi Nakamura
  • Patent number: 10337994
    Abstract: According to one embodiment, a measuring device for a sample liquid includes a container which stores the sample liquid, the container including a transparent or translucent optical component with an inclined surface to be brought into contact with the sample liquid, an optical sensor provided on a bottom of the container, which detects light from the sample liquid, and a measurement module which measures a concentration of a specific substance contained in the sample liquid, or a liquid height or liquid volume of the sample liquid based on a detected signal of the optical sensor.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: July 2, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kaita Imai, Shouhei Kousai, Yosuke Akimoto, Michihiko Nishigaki, Yutaka Onozuka, Miyu Nagai
  • Patent number: 10281429
    Abstract: According to one embodiment, a semiconductor micro-analysis chip includes a first flow channel provided with a substrate surface, the flow channel engraved on the substrate into which a sample liquid can flow, micropore provided with a part of the flow channel, a reservoir provided with at least one end of the flow channel, the reservoir engraved on the substrate for inlet and outlet of the sample liquid, and a first electrode provided with a part of the flow channel or of the reservoir. The electrode is disposed from the bottom surface of the flow channel or of the reservoir to the substrate surface, and a side surface which connects the bottom surface and the substrate surface is tapered for reducing a bend in a height direction of the electrode.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: May 7, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kentaro Kobayashi, Michihiko Nishigaki, Hiroshi Hamasaki, Naofumi Nakamura
  • Publication number: 20190084011
    Abstract: According to one embodiment, a cell sorter includes a flow channel which supplies a sample liquid containing particles, a plurality of branch channels connected to the flow channel, an image sensor which has a pixel region covering the flow channel and the branch channels, a determination unit which determines the characteristics of the particles in the sample liquid from a measurement signal of the pixel region, and a separation unit guides the particles in the sample liquid to any of the branch channels based on the determination result of the determination unit.
    Type: Application
    Filed: March 8, 2018
    Publication date: March 21, 2019
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kaita IMAI, Shouhei Kousai, Yosuke Akimoto, Michihiko Nishigaki, Yutaka Onozuka, Miyu Nagai
  • Patent number: 10126168
    Abstract: According to one embodiment, an optical sensor includes a first substrate, a first insulating film and a light-shielding film. The first substrate has a light detecting region detecting fluorescence generated from a fluorescent material by light with which irradiation is performed from a lateral side. The first insulating film is provided on the first substrate. The light-shielding film is provided, at least, on a side surface of the first substrate to which the light enters, on a side surface of the first insulating film and above a region excluding a region corresponding to the light detecting region of the first insulating film.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: November 13, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yosuke Akimoto, Shouhei Kousai, Kaita Imai, Michihiko Nishigaki, Yutaka Onozuka, Miyu Nagai
  • Publication number: 20180217500
    Abstract: According to one embodiment, a pattern forming method includes forming a resist pattern on a substrate, forming a first silicone resin layer so as to bury the resist pattern on the substrate, pressing a film on the surface of the first silicone resin layer to adhere the film thereto, curing the first silicone resin layer after the adhesion of the film, peeling the film from the first silicone resin layer before or after the curing of the first silicone resin layer, and removing the resist pattern after the peeling of the film.
    Type: Application
    Filed: September 1, 2017
    Publication date: August 2, 2018
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Michihiko NISHIGAKI, Yutaka ONOZUKA, Shouhei KOUSAI, Yosuke AKIMOTO, Miyu NAGAI, Kaita IMAI
  • Publication number: 20180080871
    Abstract: According to one embodiment, a measuring device for a sample liquid includes a container which stores the sample liquid, the container including a transparent or translucent optical component with an inclined surface to be brought into contact with the sample liquid, an optical sensor provided on a bottom of the container, which detects light from the sample liquid, and a measurement module which measures a concentration of a specific substance contained in the sample liquid, or a liquid height or liquid volume of the sample liquid based on a detected signal of the optical sensor.
    Type: Application
    Filed: September 5, 2017
    Publication date: March 22, 2018
    Inventors: Kaita Imai, Shouhei Kousai, Yosuke Akimoto, Michihiko Nishigaki, Yutaka Onozuka, Miyu Nagai
  • Patent number: 9895691
    Abstract: According to one embodiment, an analysis package, including a board, an analysis chip provided on the board, the chip including a detector for detecting a particle, a flow channel of a sample liquid, and a liquid receiver of the sample liquid, a first mold layer provided on the analysis chip, the first mold layer including an opening above the liquid receiver, and a second mold layer provided on the board and the first mold layer, the second mold layer including an opening above the opening of the first mold layer, wherein the respective openings of the first and second mold layers are connected above the liquid receiver to allow the sample liquid to be introduced into the liquid receiver from outside.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: February 20, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi Hamasaki, Michihiko Nishigaki, Yutaka Onozuka, Kentaro Kobayashi, Hiroko Miki, Naofumi Nakamura
  • Patent number: 9885680
    Abstract: According to one embodiment, an analysis package including an analysis chip provided on a main surface of a semiconductor substrate, the chip including a flow channel, both ends of which are open at peripheral parts of the substrate, and a microaperture which is provided in a middle of the flow channel and which allows a particle to pass therethrough, a package board on which the chip is mounted, liquid receivers provided on the package board, the liquid receivers being connected to openings, and electrodes, at least parts of which are provided on parts of bottom surfaces of the liquid receivers, the electrodes being provided at positions corresponding to an upstream side and a downstream side of the microaperture.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: February 6, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi Hamasaki, Michihiko Nishigaki, Yutaka Onozuka, Kentaro Kobayashi, Hiroko Miki, Naofumi Nakamura
  • Patent number: 9770714
    Abstract: According to one embodiment, an analysis package including a board including an electrical terminal, an analysis chip provided at the board, the chip including a detector for detecting a particle, a flow channel of a sample liquid for particle detection to the detector, and a liquid receiver for introducing the sample liquid into the flow channel, a mold provided to cover the board on which the analysis chip is provided, the mold comprising an opening above the liquid receiver, a first shield layer provided on a back surface of the board, and a second shield layer provided to be attachable and detachable on an opposite side to the analysis chip of the mold, the second shield layer being electrically connected to a part of the electrical terminal.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: September 26, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi Hamasaki, Michihiko Nishigaki, Yutaka Onozuka, Kentaro Kobayashi, Hiroko Miki, Naofumi Nakamura
  • Publication number: 20170122905
    Abstract: According to one embodiment, a semiconductor micro-analysis chip includes a first flow channel provided with a substrate surface, the flow channel engraved on the substrate into which a sample liquid can flow, micropore provided with a part of the flow channel, a reservoir provided with at least one end of the flow channel, the reservoir engraved on the substrate for inlet, and outlet of the sample liquid, and a first electrode provided with a part of the flow channel or of the reservoir. The electrode is disposed from the bottom surface of the flow channel or of the reservoir to the substrate surface, and a side surface which connects the bottom surface and the substrate surface is tapered for reducing a bend in a height direction of the electrode.
    Type: Application
    Filed: January 18, 2017
    Publication date: May 4, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kentaro KOBAYASHI, Michihiko NISHIGAKI, Hiroshi HAMASAKI, Naofumi NAKAMURA
  • Publication number: 20170122859
    Abstract: According to one embodiment, a particle inspection system includes a voltage driving circuit which applies a driving voltage for a particle inspection to a particle inspection chip, a current-voltage conversion circuit which converts, into a voltage signal, a current signal output from the particle inspection chip when the driving voltage is applied to the particle inspection chip, a detection circuit which detects, based on the voltage signal, whether the sample liquid is introduced into a detection region of the particle inspection chip, and an analysis circuit which analyzes the fine particle, in the sample liquid based on the voltage signal. The voltage driving circuit varies the driving voltage based on the detection result of the detection circuit.
    Type: Application
    Filed: January 18, 2017
    Publication date: May 4, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Michihiko NISHIGAKI, Hiroshi HAMASAKI, Naofumi NAKAMURA, Kentaro KOBAYASHI, Hiroko MIKI
  • Publication number: 20160320286
    Abstract: According to one embodiment, a particle inspection system includes an inspection module and a determination module. The inspection module includes a particle inspection chip includes electrodes for detecting existence of particles in a sample liquid by a change in an electrical signal, and a memory element which is provided separately from the electrodes and configured to store whether the inspection chip is a used chip or not. The determination module includes a determination circuit configured to determine the existence of the particles based on a detection signal of the inspection chip, and a control circuit configured to control an operation of the determination circuit from information in the memory element.
    Type: Application
    Filed: July 8, 2016
    Publication date: November 3, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroko MIKI, Michihiko NISHIGAKI, Kentaro KOBAYASHI, Naofumi NAKAMURA
  • Publication number: 20160231263
    Abstract: According to one embodiment, an analysis package including a board including an electrical terminal, an analysis chip provided at the board, the chip including a detector for detecting a particle, a flow channel of a sample liquid for particle detection to the detector, and a liquid receiver for introducing the sample liquid into the flow channel, a mold provided to cover the board on which the analysis chip is provided, the mold comprising an opening above the liquid receiver, a first shield layer provided on a back surface of the board, and a second shield layer provided to be attachable and detachable on an opposite side to the analysis chip of the mold, the second shield layer being electrically connected to a part of the electrical terminal.
    Type: Application
    Filed: September 8, 2015
    Publication date: August 11, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi HAMASAKI, Michihiko NISHIGAKI, Yutaka ONOZUKA, Kentaro KOBAYASHI, Hiroko MIKI, Naofumi NAKAMURA
  • Publication number: 20160231262
    Abstract: According to one embodiment, an analysis package, including a board, an analysis chip provided on the board, the chip including a detector for detecting a particle, a flow channel of a sample liquid, and a liquid receiver of the sample liquid, a first mold layer provided on the analysis chip, the first mold layer including an opening above the liquid receiver, and a second mold layer provided on the board and the first mold layer, the second mold layer including an opening above the opening of the first mold layer, wherein the respective openings of the first and second mold layers are connected above the liquid receiver to allow the sample liquid to be introduced into the liquid receiver from outside.
    Type: Application
    Filed: September 8, 2015
    Publication date: August 11, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi HAMASAKI, Michihiko NISHIGAKI, Yutaka ONOZUKA, Kentaro KOBAYASHI, Hiroko MIKI, Naofumi NAKAMURA