Patents by Inventor Isao Nawata

Isao Nawata 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).

  • Patent number: 12134584
    Abstract: Disclosed is a coating layer-bonded continuous ceramic fiber formed from a continuous ceramic fiber having a coating layer of a metal compound with a thickness of 50 nm or less on the surface. Also disclosed is a ceramic matrix composite material having the above-described coating layer-bonded continuous ceramic fiber.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: November 5, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Isao Yamashita, Yushi Nawata
  • Patent number: 11467086
    Abstract: According to one embodiment, a sample inspection apparatus includes a photodetection circuitry, an image sensor, processing circuitry, and an output interface. The photodetection circuitry has light incident on an optical waveguide in an inspection container and detects the light having propagated within the optical waveguide and coming out of the optical waveguide. The image sensor acquires an image signal for the optical waveguide, using scattered light originated from the light propagating within the optical waveguide. The processing circuitry acquires one or more inspection index values based on at least one of an output of the photodetection circuitry or an output of the image sensor. The output interface outputs a result of processing by the processing circuitry.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: October 11, 2022
    Assignee: Canon Medical Systems Corporation
    Inventors: Isao Nawata, Takeshi Yamauchi, Shoichi Kanayama
  • Publication number: 20210063309
    Abstract: According to one embodiment, a sample inspection apparatus includes a photodetection circuitry, an image sensor, processing circuitry, and an output interface. The photodetection circuitry has light incident on an optical waveguide in an inspection container and detects the light having propagated within the optical waveguide and coming out of the optical waveguide. The image sensor acquires an image signal for the optical waveguide, using scattered light originated from the light propagating within the optical waveguide. The processing circuitry acquires one or more inspection index values based on at least one of an output of the photodetection circuitry or an output of the image sensor. The output interface outputs a result of processing by the processing circuitry.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 4, 2021
    Applicant: Canon Medical Systems Corporation
    Inventors: Isao NAWATA, Takeshi Yamauchi, Shoichi Kanayama
  • Patent number: 10809255
    Abstract: According to one embodiment, a specimen measurement apparatus includes a detector, a reaction promoter and processing circuitry. The detector generates an electrical signal based on a reactive state in a reaction chamber in which a mixture of a test substance and a reagent is contained. The reaction promoter supplies to the reaction chamber energy to promote reaction in the reaction chamber. The processing circuitry switches an energy supply state in accordance with a predetermined time schedule, determines a stationary state of the test substance based on an electrical signal generated after the energy supply state is switched, and outputs the stationary state obtained by the determination.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 20, 2020
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Naoko Murase, Isao Nawata, Shoichi Kanayama
  • Patent number: 10444159
    Abstract: A according to one embodiment, an optical measurement system has an optical waveguide sensor chip mounted thereon, the optical waveguide sensor chip has a space defined by a plurality of surfaces including a first surface along which an optical waveguide part is provided. The optical measurement system includes a holding surface, a light transceiver, and a contact sensor. The holding surface holds the bottom surface of the optical waveguide sensor chip. The light transceiver lets light be incident on the optical waveguide sensor chip through a first window in the holding surface, and receives light that has passed through the first surface via the optical waveguide part from a second window in the holding surface. The contact sensor detects contact state in two or more detection positions located along an array direction of the first window and the second window.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: October 15, 2019
    Assignee: Canon Medical Systems Corporation
    Inventors: Tomohiro Takase, Isao Nawata, Motoji Haragashira, Shoichi Kanayama
  • Publication number: 20180067112
    Abstract: According to one embodiment, a specimen measurement apparatus includes a detector, a reaction promoter and processing circuitry. The detector generates an electrical signal based on a reactive state in a reaction chamber in which a mixture of a test substance and a reagent is contained. The reaction promoter supplies to the reaction chamber energy to promote reaction in the reaction chamber. The processing circuitry switches an energy supply state in accordance with a predetermined time schedule, determines a stationary state of the test substance based on an electrical signal generated after the energy supply state is switched, and outputs the stationary state obtained by the determination.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 8, 2018
    Applicant: Toshiba Medical Systems Corporation
    Inventors: Naoko MURASE, Isao Nawata, Shoichi Kanayama
  • Patent number: 9897599
    Abstract: According to one embodiment, a specimen measurement apparatus includes a detector and a control circuit, and is configured to perform a plurality of steps to measure the properties of a test substance retained in a reaction container. The detector outputs electromagnetic waves to the reaction container and detects the electromagnetic waves that vary according to the state in the reaction container. The control circuit controls transition timing between steps of the plurality of steps based on the detection result of the electromagnetic waves obtained by the detector.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: February 20, 2018
    Assignee: Toshiba Medical Systems Corporation
    Inventors: Shoichi Kanayama, Isao Nawata, Ichiro Tono
  • Patent number: 9274104
    Abstract: According to one embodiment, a measuring system using an optical waveguide is provided. The measuring system has an optical waveguide, magnetic fine particles, a magnetic field applying unit, a light source and a light receiving element. The optical waveguide has a sensing area to which first substances having a property of specifically bonding to subject substances to be measured are fixed. Second substances having a property of specifically bonding to the subject substances are fixed to the magnetic fine particle. The magnetic field applying unit generates a magnetic field for moving the magnetic fine particles. The light source inputs a light into the optical waveguide. The light receiving element receives the light output from the optical waveguide.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: March 1, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ichiro Tono, Shingo Kasai, Takaaki Wada, Isao Nawata, Masaaki Hirakawa, Tomohiro Takase, Kayoko Oomiya, Takeshi Yamauchi, Tadahiro Nakayama, Isamu Nitta
  • Patent number: 9075017
    Abstract: An optical-waveguide sensor chip includes an optical waveguide having a first substance immobilized on the surface thereof, the first substance being specifically reactive with an analyte substance, and fine particles dispersed on the optical waveguide and having a second substance immobilized on the surface thereof, the second substance being specifically reactive with the analyte substance.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: July 7, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shingo Kasai, Ikuo Uematsu, Ichiro Tono, Tomohiro Takase, Isao Nawata, Kayoko Oomiya, Yuriko Oyama, Tsutomu Honjoh
  • Publication number: 20140105789
    Abstract: An optical-waveguide sensor chip includes an optical waveguide having a first substance immobilized on the surface thereof, the first substance being specifically reactive with an analyte substance, and fine particles dispersed on the optical waveguide and having a second substance immobilized on the surface thereof, the second substance being specifically reactive with the analyte substance.
    Type: Application
    Filed: December 26, 2013
    Publication date: April 17, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shingo KASAI, Ikuo UEMATSU, Ichiro TONO, Tomohiro TAKASE, Isao NAWATA, Kayoko OOMIYA, Yuriko OYAMA, Tsutomu HONJOH
  • Patent number: 8642319
    Abstract: An optical-waveguide sensor chip includes an optical waveguide having a first substance immobilized on the surface thereof, the first substance being specifically reactive with an analyte substance, and fine particles dispersed on the optical waveguide and having a second substance immobilized on the surface thereof, the second substance being specifically reactive with the analyte substance.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: February 4, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shingo Kasai, Ikuo Uematsu, Ichiro Tono, Tomohiro Takase, Isao Nawata, Kayoko Oomiya, Yuriko Oyama, Tsutomu Honjoh
  • Publication number: 20120252111
    Abstract: According to one embodiment, a measuring system using an optical waveguide is provided. The measuring system has an optical waveguide, magnetic fine particles, a magnetic field applying unit, a light source and a light receiving element. The optical waveguide has a sensing area to which first substances having a property of specifically bonding to subject substances to be measured are fixed. Second substances having a property of specifically bonding to the subject substances are fixed to the magnetic fine particle. The magnetic field applying unit generates a magnetic field for moving the magnetic fine particles. The light source inputs a light into the optical waveguide. The light receiving element receives the light output from the optical waveguide.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Ichiro Tono, Shingo Kasai, Takaaki Wada, Isao Nawata, Masaaki Hirakawa, Tomohiro Takase, Kayoko Oomiya, Takeshi Yamauchi, Tadahiro Nakayama, Isamu Nitta
  • Publication number: 20120213669
    Abstract: An optical-waveguide sensor chip includes an optical waveguide having a first substance immobilized on the surface thereof, the first substance being specifically reactive with an analyte substance, and fine particles dispersed on the optical waveguide and having a second substance immobilized on the surface thereof, the second substance being specifically reactive with the analyte substance.
    Type: Application
    Filed: May 2, 2012
    Publication date: August 23, 2012
    Inventors: Shingo Kasai, Ikuo Uematsu, Ichiro Tono, Tomohiro Takase, Isao Nawata, Kayoko Oomiya, Yuriko Oyama, Tsutomu Honjoh
  • Publication number: 20110236266
    Abstract: According to one embodiment, an optical sensor includes an optical waveguide module and a specimen area. The specimen area is provided adjacent to the optical waveguide module, and is configured to hold a specimen. The specimen area includes a sensing area and a precipitation area. An optical change occurs in the sensing area. A precipitate of the specimen is precipitated in the precipitation area. The precipitation area is placed at a different position from a position of the sensing area which is attached to the optical waveguide module.
    Type: Application
    Filed: March 3, 2011
    Publication date: September 29, 2011
    Inventors: Ikuo Uematsu, Shingo Kasai, Ichiro Tohno, Isao Nawata
  • Publication number: 20110104009
    Abstract: A clinical examination disk according to the invention includes a disk body in a disk form, and at least one cell formed in the disk body, wherein the cell comprises a specimen reservoir formed in the disk body and having a specimen injecting port, a reaction tank formed in the disk body so as to position nearer to the outer circumference of the body than a position of the specimen reservoir, and holding a reagent which is reactive with the specimen and is beforehand gelatinized, a first narrow tube formed in the disk body, and communicating to the specimen reservoir and the reaction tank, and a second narrow tube formed in the disk body, and having one end connected to the reaction tank and the other end made open.
    Type: Application
    Filed: January 7, 2011
    Publication date: May 5, 2011
    Inventors: Toshimi Kawamura, Seiichirou Ishioka, Masaki Tonari, Takashi Kawamura, Akira Nakajima, Tetsuo Sekino, Kyoichi Iwahashi, Kenichi Uchiyama, Tomohiro Takase, Isao Nawata
  • Publication number: 20110020852
    Abstract: This method of analyzing a biological component includes steps of arranging an extraction medium holding part configured to be capable of holding a prescribed quantity of extraction medium for holding an extract extracted from a subject on the skin of the subject, transferring the extraction medium stored in a liquid storing part storing substantially the same quantity of the extraction medium as the prescribed quantity to the extraction medium holding part, transferring at least part of the extraction medium holding the extracted extract to a reaction part, and analyzing a result of detecting the extract.
    Type: Application
    Filed: March 27, 2009
    Publication date: January 27, 2011
    Applicants: SYSMEX CORPORATION, KABUSHIKI KAISHA TOSHIBA
    Inventors: Junko Kojima, Yasunori Maekawa, Tomohiro Takase, Ikuo Uematsu, Masaaki Hirakawa, Isao Nawata, Ichiro Tono, Shingo Kasai
  • Patent number: 7738934
    Abstract: A measuring apparatus uses a biological component sensor including a plate-shaped sensor chip having a biological component sensing function and a sensor chip holding frame surrounding and holding the sensor chip. The biological component sensor is disposed in a measuring apparatus main body housing. A fixed engaging member and movable engaging member disposed on a sensor chip support table fixed to the measuring apparatus main body housing fix and support the sensor chip holding frame, and the sensor chip can be thus replaced. The biological component sensor contacts a forearm portion of a human body, and a biological component exuded from a contact part of the forearm portion is caused to contact the sensor chip to change a physical or chemical surface property of the sensor chip, thereby measuring the change through an irradiation of an inspection light to calculate concentration of the biological component.
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: June 15, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomohiro Takase, Isao Nawata, Ikuo Uematsu, Kayoko Oomiya
  • Publication number: 20090124024
    Abstract: An optical-waveguide sensor chip includes an optical waveguide having a first substance immobilized on the surface thereof, the first substance being specifically reactive with an analyte substance, and fine particles dispersed on the optical waveguide and having a second substance immobilized on the surface thereof, the second substance being specifically reactive with the analyte substance.
    Type: Application
    Filed: November 6, 2008
    Publication date: May 14, 2009
    Inventors: Shingo Kasai, Ikuo Uematsu, Ichiro Tono, Tomohiro Takase, Isao Nawata, Kayoko Oomiya, Yuriko Oyama, Tsutomu Honjoh
  • Publication number: 20080131315
    Abstract: A color reaction detecting device includes: a support configured to support a sensor chip, the sensor chip including a thin film which causes a color reaction by a substance released from an object under inspection; a light source configured to introduce light into the sensor chip supported by the support; a photodetector configured to sense light emitted from the sensor chip; a temperature sensor configured to measure temperature; and a control unit. The control unit computes an amount of color reaction in the sensor chip using a result of the sensing by the photodetector and a result of the measurement by the temperature sensor.
    Type: Application
    Filed: June 29, 2007
    Publication date: June 5, 2008
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomohiro Takase, Isao Nawata, Ikuo Uematsu, Masaaki Hirakawa
  • Publication number: 20070219436
    Abstract: It is an object to provide a measuring apparatus and method which can easily measure an amount of a biological component such as glucose without requiring an ordinary person who is to be measured to have special knowledge and techniques. A measuring apparatus according to an embodiment of the present invention uses a biological component sensor including a plate-shaped sensor chip 112 having a biological component sensing function and a sensor chip holding frame 111 for surrounding and holding the sensor chip 112, and the biological component sensor is disposed in a measuring apparatus main body housing 110. A fixed click-shaped engaging member 118 and a movable click-shaped engaging member 119 are disposed on a sensor chip support table 124 fixed to the measuring apparatus main body housing 110, and they fix and support the sensor chip holding frame 111 and the sensor chip can be thus replaced.
    Type: Application
    Filed: October 3, 2006
    Publication date: September 20, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomohiro Takase, Isao Nawata, Ikuo Uematsu, Kayoko Oomiya