Patents by Inventor Shota KAWAI

Shota KAWAI 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: 20240125673
    Abstract: According to one embodiment, a blade damage evaluation system comprising one or more computers configured to: evaluate inflow and collision of solid particles into a turbine based on design data, maintenance data, and operation data; and calculate a survival rate by applying at least one data included in at least one of the design data, the maintenance data, and the operation data as at least one factor to a formula that models the turbine by survival time analysis, the survival rate indicating that erosion amount of at least one of a plurality of blades does not reach a predetermined threshold at arbitrary time in future.
    Type: Application
    Filed: May 9, 2023
    Publication date: April 18, 2024
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Yasutaka KAWADA, Yusuke SUZUKI, Shota NAKAJIMA, Yasuteru KAWAI
  • Patent number: 11711929
    Abstract: A field-effect transistor comprises, on a substrate, a source electrode, a drain electrode, and a gate electrode; a semiconductor layer in contact with the source electrode and the drain electrode; wires individually electrically connected to the source electrode and the drain electrode; and a gate insulating layer that insulates the semiconductor layer from the gate electrode, wherein a connecting portion between the source electrode and the wire forms a continuous phase, and a connecting portion between the drain electrode and the wire forms a continuous phase, the portions constituting the continuous phases contain at least an electrically conductive component and an organic component, and integrated values of optical reflectance at a region of a wavelength of 600 nm or more and 900 nm or less on the wires are higher than integrated values of optical reflectance at a region of a wavelength of 600 nm or more and 900 nm or less on the source electrode and the drain electrode.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: July 25, 2023
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shota Kawai, Hiroji Shimizu, Seiichiro Murase
  • Patent number: 11534347
    Abstract: The present invention provides a circuit including a plurality of component parts formed on a substrate and having common functions, wherein the plurality of component parts each includes a detection part which shows responsiveness to moisture; wherein the responsiveness to moisture varies between the plurality of component parts; and wherein the presence or absence of a response to moisture detected by each detection part corresponds to a binary digital signal, and whereby the circuit outputs a sequence of binary digital signals.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: December 27, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kojiro Naito, Shota Kawai, Junji Wakita, Kenta Noguchi, Seiichiro Murase
  • Patent number: 11399988
    Abstract: The present invention provides a wireless communication device including: a circuit unit; and an antenna which is connected to the circuit unit and which transmits and receives signals to and from a transceiver in a non-contact manner. The wireless communication device transmits different signals to the transceiver, depending on the presence or absence of contact between at least a part of the circuit unit and moisture.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: August 2, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shota Kawai, Yoshihiro Kariya, Junji Wakita, Seiichiro Murase
  • Publication number: 20220131097
    Abstract: A field-effect transistor comprises, on a substrate, a source electrode, a drain electrode, and a gate electrode; a semiconductor layer in contact with the source electrode and the drain electrode; wires individually electrically connected to the source electrode and the drain electrode; and a gate insulating layer that insulates the semiconductor layer from the gate electrode, wherein a connecting portion between the source electrode and the wire forms a continuous phase, and a connecting portion between the drain electrode and the wire forms a continuous phase, the portions constituting the continuous phases contain at least an electrically conductive component and an organic component, and integrated values of optical reflectance at a region of a wavelength of 600 nm or more and 900 nm or less on the wires are higher than integrated values of optical reflectance at a region of a wavelength of 600 nm or more and 900 nm or less on the source electrode and the drain electrode.
    Type: Application
    Filed: February 13, 2020
    Publication date: April 28, 2022
    Applicant: Toray Industries, Inc.
    Inventors: Shota Kawai, Hiroji Shimizu, Seiichiro Murase
  • Patent number: 11171179
    Abstract: A memory array includes: a plurality of first wires; at least one second wire crossing the first wires; and a plurality of memory elements provided in correspondence with respective intersections of the first wires and the at least one second wire and each having a first electrode and a second electrode arranged spaced apart from each other, a third electrode connected to one of the at least one second wire, and an insulating layer that electrically insulates the first electrode and the second electrode and the third electrode from each other, the first wires, the at least one second wire, and the first wires, the at least one second wire, and the memory elements being formed on a substrate.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: November 9, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shota Kawai, Seiichiro Murase, Hiroji Shimizu
  • Patent number: 11127698
    Abstract: The purpose of the present invention is to provide: a conductive film; a method for producing a conductive film, which enables the achievement of a conductive film or conductive pattern having good electrical conductivity by means of light irradiation of a short period of time without being accompanied by a long-time heat treatment at high temperatures; a method for producing a field effect transistor, which uses this method for producing a conductive film; and a method for producing a wireless communication device. A method for producing a conductive film according to the present invention for the achievement of the above-described purpose comprises: a step for forming a coating film by applying a conductive paste, which contains conductive particles that have surfaces covered by elemental carbon, onto a substrate; and a step for irradiating the coating film with flashing light.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: September 21, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Shota Kawai, Junji Wakita, Seiichiro Murase
  • Patent number: 11094899
    Abstract: Provided is a method for manufacturing a field-effect transistor, the method including the steps of: forming a gate electrode on the surface of a substrate; forming a gate insulating layer on the gate electrode; forming a conductive film containing a conductor and a photosensitive organic component by a coating method on the gate insulating layer; exposing the conductive film from the rear surface side of the substrate with the gate electrode as a mask; developing the exposed conductive film to form a source electrode and a drain electrode; and forming a semiconductor layer by a coating method between the source electrode and the drain electrode. This method makes it possible to provide an FET, a semiconductor device, and an RFID which can be prepared by a simple process, and which have a high mobility, and have a gate electrode and source/drain electrodes aligned with a high degree of accuracy.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: August 17, 2021
    Inventors: Hiroji Shimizu, Seiichiro Murase, Shota Kawai
  • Publication number: 20200405546
    Abstract: The present invention provides a circuit including a plurality of component parts formed on a substrate and having common functions, wherein the plurality of component parts each includes a detection part which shows responsiveness to moisture; wherein the responsiveness to moisture varies between the plurality of component parts; and wherein the presence or absence of a response to moisture detected by each detection part corresponds to a binary digital signal, and whereby the circuit outputs a sequence of binary digital signals.
    Type: Application
    Filed: November 15, 2018
    Publication date: December 31, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kojiro NAITO, Shota KAWAI, Junji WAKITA, Kenta NOGUCHI, Seiichiro MURASE
  • Publication number: 20200321399
    Abstract: A memory array includes: a plurality of first wires; at least one second wire crossing the first wires; and a plurality of memory elements provided in correspondence with respective intersections of the first wires and the at least one second wire and each having a first electrode and a second electrode arranged spaced apart from each other, a third electrode connected to one of the at least one second wire, and an insulating layer that electrically insulates the first electrode and the second electrode and the third electrode from each other, the first wires, the at least one second wire, and the first wires, the at least one second wire, and the memory elements being formed on a substrate.
    Type: Application
    Filed: May 29, 2017
    Publication date: October 8, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shota KAWAI, Seiichiro MURASE, Hiroji SHIMIZU
  • Publication number: 20200261278
    Abstract: The present invention provides a wireless communication device including: a circuit unit; and an antenna which is connected to the circuit unit and which transmits and receives signals to and from a transceiver in a non-contact manner. The wireless communication device transmits different signals to the transceiver, depending on the presence or absence of contact between at least a part of the circuit unit and moisture.
    Type: Application
    Filed: August 29, 2018
    Publication date: August 20, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shota KAWAI, Yoshihiro KARIYA, Junji WAKITA, Seiichiro MURASE
  • Publication number: 20200203292
    Abstract: The purpose of the present invention is to provide: a conductive film; a method for producing a conductive film, which enables the achievement of a conductive film or conductive pattern having good electrical conductivity by means of light irradiation of a short period of time without being accompanied by a long-time heat treatment at high temperatures; a method for producing a field effect transistor, which uses this method for producing a conductive film; and a method for producing a wireless communication device. A method for producing a conductive film according to the present invention for the achievement of the above-described purpose comprises: a step for forming a coating film by applying a conductive paste, which contains conductive particles that have surfaces covered by elemental carbon, onto a substrate; and a step for irradiating the coating film with flashing light.
    Type: Application
    Filed: June 22, 2018
    Publication date: June 25, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Shota KAWAI, Junji WAKITA, Seiichiro MURASE
  • Patent number: 10611868
    Abstract: An object of the present invention is to provide a ferroelectric memory element which has a low driving voltage and which can be formed by coating. The present invention provides a ferroelectric memory element including at least: a first conductive film; a second conductive film; and a ferroelectric layer provided between the first conductive film and the second conductive film; wherein the ferroelectric layer contains ferroelectric particles and an organic component, and wherein the ferroelectric particles have an average particle size of from 30 to 500 nm.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: April 7, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Junji Wakita, Hiroji Shimizu, Shota Kawai, Seiichiro Murase
  • Publication number: 20190198786
    Abstract: Provided is a method for manufacturing a field-effect transistor, the method including the steps of: forming a gate electrode on the surface of a substrate; forming a gate insulating layer on the gate electrode; forming a conductive film containing a conductor and a photosensitive organic component by a coating method on the gate insulating layer; exposing the conductive film from the rear surface side of the substrate with the gate electrode as a mask; developing the exposed conductive film to form a source electrode and a drain electrode; and forming a semiconductor layer by a coating method between the source electrode and the drain electrode. This method makes it possible to provide an FET, a semiconductor device, and an RFID which can be prepared by a simple process, and which have a high mobility, and have a gate electrode and source/drain electrodes aligned with a high degree of accuracy.
    Type: Application
    Filed: September 6, 2017
    Publication date: June 27, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Hiroji Shimizu, Seiichiro Murase, Shota Kawai
  • Publication number: 20180327530
    Abstract: An object of the present invention is to provide a ferroelectric memory element which has a low driving voltage and which can be formed by coating. The present invention provides a ferroelectric memory element including at least: a first conductive film; a second conductive film; and a ferroelectric layer provided between the first conductive film and the second conductive film; wherein the ferroelectric layer contains ferroelectric particles and an organic component, and wherein the ferroelectric particles have an average particle size of from 30 to 500 nm.
    Type: Application
    Filed: November 21, 2016
    Publication date: November 15, 2018
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Junji WAKITA, Hiroji SHIMIZU, Shota KAWAI, Seiichiro MURASE