Patents by Inventor Kohei Yamada

Kohei Yamada 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: 20240141094
    Abstract: A curing resin composition including (A) a cyanate ester resin, (B) an epoxy resin, (C) an active hydrogen-containing amine latent curing agent, and (D) an ion scavenger. The cyanate ester resin (A) is preferably at least one of a compound of formula (1) below, a compound of formula (2) below, and a polymer of at least one of these compounds (1) and (2). NC—O-A1-Y1-A2-O—CN??(1) wherein the symbols are as defined in the description. wherein the symbols are as defined in the description.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 2, 2024
    Inventors: Kohei HIRAYAMA, Keisuke OTA, Ryo OGAWA, Shinsuke YAMADA
  • Publication number: 20240141095
    Abstract: Disclosed is a curable resin composition containing: (A) a cyanate ester resin; (B) an epoxy resin essentially including at least a 4-amino-3-methylphenol-type epoxy resin; and (C) a latent curing agent. Preferably, the cyanate ester resin (A) is at least one selected from the group consisting of compounds represented by formula (1) below, compounds represented by formula (2) below, and at least one of polymer of these compounds. Formula (1): NC—O-A1-Y1-A2-O—CN (See the Description for the symbols in the formula). Formula (2): (See the Description for the symbols in the formula).
    Type: Application
    Filed: February 8, 2022
    Publication date: May 2, 2024
    Inventors: Keisuke OTA, Kohei HIRAYAMA, Ryo OGAWA, Shinsuke YAMADA
  • Patent number: 11953084
    Abstract: A drive device protection structure has a rotary electric machine, a gearbox connected the rotary electric machine, an undercover disposed underneath the drive device and a protecting plate provided to the undercover. The rotary electric machine has a rotary electric machine housing that has a rotary electric machine flange. The gearbox has a gearbox housing that has a gearbox flange. The rotary electric machine flange and the gearbox flange are connected together. The rotary electric machine flange and the gearbox flange are formed such that a lower surface of the gearbox flange is positioned lower than a lower surface of the rotary electric machine flange. The protecting plate is formed of a material more rigid than a material of the undercover. The protecting plate is provided beneath connecting part between the rotary electric machine flange and the gearbox flange so as to face the connecting part.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: April 9, 2024
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Jaehak Lee, Yuta Katsushima, Kenji Arai, Daisuke Asakura, Harunobu Abe, Kohei Yamada, Norihisa Tsujimura, Yasuaki Nakamura, Toshimitsu Kakizaki, Kazuhiro Maguchi, Kentarou Kurata
  • Publication number: 20240081980
    Abstract: A vocalization assistance device includes: a mounting body that is mounted in an oral cavity of a person and that has a facing portion facing a palate of the person; a diaphragm that is provided at the facing portion and that is capable of outputting a sound recorded by a device having a recording function, as an original sound; and a passage that is provided at the facing portion and that is configured to transmit the original sound output from the diaphragm to a rear side of the oral cavity.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 14, 2024
    Applicant: National University Corporation Tokyo Medical and Dental University
    Inventors: Haruka TOHARA, Taishi YAMADA, Kazuharu NAKAGAWA, Kohei YAMAGUCHI, Daiki MIZUGUCHI
  • Publication number: 20240044698
    Abstract: A laser interferometer includes: a light source configured to emit laser light; an optical modulator including a vibrator driven by a drive signal and configured to superimpose a modulation signal on the laser light; a photodetector configured to receive the laser light including the modulation signal and a sample signal derived from an object and output a light receiving signal; a calculator configured to demodulate the sample signal from the light receiving signal based on a reference signal; and a signal generator configured to output the drive signal and the reference signal.
    Type: Application
    Filed: August 3, 2023
    Publication date: February 8, 2024
    Inventor: Kohei YAMADA
  • Publication number: 20240045199
    Abstract: An optical device includes: a second light source configured to emit laser light having a wavelength different from that of measurement light emitted from a first light source; a light splitter; a first mirror configured to add a first modulation signal to the measurement light and add a displacement signal to the laser light; a second mirror configured to reflect a second beam of the measurement light; a first color separator configured to separate the second beam of the measurement light from a second laser light beam based on a difference in wavelength; an optical modulator driven based on a drive signal and configured to add a second modulation signal to the second laser light beam after the separation; a first photodetector configured to receive the measurement light including a sample-derived signal and the first modulation signal; and a second photodetector configured to receive the laser light including the displacement signal and the second modulation signal.
    Type: Application
    Filed: August 4, 2023
    Publication date: February 8, 2024
    Inventor: Kohei YAMADA
  • Publication number: 20240035889
    Abstract: An optical device includes: a first optical system; and a second optical system. The first optical system includes a first light splitting device configured to split measurement light emitted from a first light source into a first measurement light and a second measurement light and then mix the split measurement light, a first mirror configured to add a first modulation signal by being moved in an entering direction of the first measurement light and reflecting the first measurement light, a second mirror configured to reflect the second measurement light, and a first light receiving device configured to receive the measurement light including a sample-derived signal and the first modulation signal and output a first light receiving signal.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 1, 2024
    Inventor: Kohei YAMADA
  • Publication number: 20240023267
    Abstract: A high voltage electrical unit is installed above a floor of a vehicle between left and right seats. A bracket is fixed on the floor between the left and right seats, and the high voltage electrical unit is fixed on a bracket top plate of the bracket. A protect cover for covering the high voltage electrical unit is fixed on the bracket. Strength of the protect cover against a lateral load is made higher than strength of the bracket against the lateral load.
    Type: Application
    Filed: April 5, 2021
    Publication date: January 18, 2024
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Kenichi Ogata, Yasuaki Nakamura, Atsushi Horiguchi, Kohei Yamada, Norihisa Tsujimura, Yasuhiro Tosaka, Shunsuke Ehara
  • Patent number: 11865529
    Abstract: A ceramic honeycomb structure includes: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the plurality of cells to form a fluid flow path extending from one end face to other end face. The honeycomb structure contains: 1) particles including one or more selected from silicon carbide, silicon nitride and aluminum nitride; and 2) silicon doped with a dopant. The dopant is a Group 13 element or a Group 15 element. The honeycomb structure has a silicon content (B) of from 20 to 80% by mass, and the honeycomb structure has a porosity of 30% or less.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: January 9, 2024
    Assignee: NGK INSULATORS, LTD.
    Inventors: Takayuki Inoue, Makoto Hamazaki, Kohei Yamada
  • Publication number: 20230419696
    Abstract: The present invention provides an image analysis method for generating data indicating a region of a cell nucleus in an image of a tissue or a cell. The image analysis method is a method for analyzing an image of a tissue or a cell using a deep learning algorithm of a neural network structure, and generates data indicating a region of a cell nucleus in an analysis target image by the deep learning algorithm by generating analysis data from the analysis target image including an analysis target tissue or cell, and inputting the analysis data in the deep learning algorithm.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: SYSMEX CORPORATION
    Inventors: Yosuke Sekiguchi, Kazumi Hakamada, Yuki Aihara, Kohei Yamada, Kanako Masumoto, Krupali Jain
  • Patent number: 11842556
    Abstract: The present invention provides an image analysis method for generating data indicating a region of a cell nucleus in an image of a tissue or a cell. The image analysis method is a method for analyzing an image of a tissue or a cell using a deep learning algorithm of a neural network structure, and generates data indicating a region of a cell nucleus in an analysis target image by the deep learning algorithm by generating analysis data from the analysis target image including an analysis target tissue or cell, and inputting the analysis data in the deep learning algorithm.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: December 12, 2023
    Assignee: SYSMEX CORPORATION
    Inventors: Yosuke Sekiguchi, Kazumi Hakamada, Yuki Aihara, Kohei Yamada, Kanako Masumoto, Krupali Jain
  • Publication number: 20230362518
    Abstract: Accuracy of results obtained by integrally processing information acquired by different sensors is improved. A solid-state imaging device according to an embodiment includes: a first sensor that detects light in a first wavelength band; and a second sensor that detects light of a second wavelength band different from the first wavelength band, in which the first sensor includes a first pixel (110) that detects light of the first wavelength band in incident light, and the second sensor includes a second pixel (110) that detects light in the second wavelength band that has transmitted through the first pixel among the incident light.
    Type: Application
    Filed: September 2, 2021
    Publication date: November 9, 2023
    Inventors: Kimiyasu Shiina, Kei Nakagawa, Atsushi Suzuki, Shuntaro Izumi, Kohei Yamada
  • Patent number: 11787086
    Abstract: A molding method for a composite sheet used for manufacturing a thermosetting resin prepreg sheet in which a thermosetting resin material is impregnated into a fiber sheet includes: bringing a resin transfer sheet in which the thermosetting resin material of a predetermined thickness is carried on one surface of a transfer sheet into contact with one surface of the fiber sheet to be stacked on the fiber sheet. The resin transfer sheet and the fiber sheet in the stacked state are subjected to a heating treatment or heating and pressurizing treatment. The resin transfer sheet and the fiber sheet in the heated and stacked state is subjected to a cooling treatment or cooling and pressurizing treatment so that the thermosetting resin material is transferred to the fiber sheet and the thermosetting resin material is made to adhere to one surface side of the fiber sheet.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 17, 2023
    Assignee: FUKUI PREFECTURAL GOVERNMENT
    Inventors: Kazumasa Kawabe, Kohei Yamada, Keiichi Kondo, Hirofumi Iyo, Shin Kaechi
  • Publication number: 20230314121
    Abstract: A laser interferometer includes alight source that emits first laser light, an optical modulator that includes a vibrator and modulates the first laser light by using the vibrator to generate second laser light including a modulated signal, a photodetector that receives interference light between third laser light including a sample signal generated by reflecting the first laser light on an object and the second laser light to output a light reception signal, a demodulation circuit that demodulates the sample signal from the light reception signal based on a reference signal, and an oscillation circuit that outputs the reference signal to the demodulation circuit, and the vibrator is a signal source of the oscillation circuit.
    Type: Application
    Filed: May 30, 2023
    Publication date: October 5, 2023
    Inventors: Kohei YAMADA, Takeshi SHIMIZU
  • Publication number: 20230295420
    Abstract: A thermoplastic resin foam including a thermoplastic resin, wherein: the thermoplastic resin includes a polyester resin and a polyimide resin, and the thermoplastic resin foam shows a single glass transition temperature Tg. The glass transition temperature of the thermoplastic resin is preferably 80 to 130° C. An absolute value of difference between heat absorption and heat generation, each determined by heat flux differential scanning calorimetry at a heating rate of 10° C./min, is preferably 3 to 35 J/g.
    Type: Application
    Filed: July 30, 2021
    Publication date: September 21, 2023
    Applicant: Sekisui Kasei Co., Ltd.
    Inventors: Tetsuro TAI, Kohei TAZUMI, Kohei YAMADA, Yusuke KUWABARA
  • Publication number: 20230280152
    Abstract: A laser interferometer includes: a laser light source configured to emit laser light; an optical modulator including a vibrator driven by a drive signal and configured to superimpose a modulation signal on the laser light using the vibrator; a photodetector configured to receive the laser light including a sample signal superimposed thereon due to reflection by an object and the laser light including the modulation signal, and output a light receiving signal; a calculation unit configured to perform a calculation on the light receiving signal based on a reference signal; and a signal generation unit configured to output the drive signal and the reference signal.
    Type: Application
    Filed: February 23, 2023
    Publication date: September 7, 2023
    Inventors: Kohei YAMADA, Takeshi SHIMIZU
  • Publication number: 20230266161
    Abstract: A laser interferometer includes: a laser light source configured to emit first laser light; an optical modulator including a vibration element and configured to modulate the first laser light using the vibration element and generate second laser light including a modulation signal; a light receiving element configured to receive third laser light including a sample signal generated by the first laser light being reflected by an object and the second laser light, and output a light reception signal; a demodulation circuit configured to demodulate the sample signal from the light reception signal; and a correction circuit configured to detect a force acting on the vibration element from a change in vibration of the vibration element and correct the light reception signal based on the force.
    Type: Application
    Filed: February 16, 2023
    Publication date: August 24, 2023
    Inventor: Kohei YAMADA
  • Patent number: 11733027
    Abstract: A laser interferometer includes a light source that emits first laser light, an optical modulator that includes a vibrator and modulates the first laser light by using the vibrator to generate second laser light including a modulated signal, a photodetector that receives interference light between third laser light including a sample signal generated by reflecting the first laser light on an object and the second laser light to output a light reception signal, a demodulation circuit that demodulates the sample signal from the light reception signal based on a reference signal, and an oscillation circuit that outputs the reference signal to the demodulation circuit, and the vibrator is a signal source of the oscillation circuit.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: August 22, 2023
    Inventors: Kohei Yamada, Takeshi Shimizu
  • Publication number: 20230253175
    Abstract: In a particle beam irradiation system, upon receipt of a signal to stop irradiation of a charged particle beam, the signal outputted from a scanning controller, an accelerator and transport system controller stops emission of the charged particle beam from a charged particle beam generation unit to the irradiation unit, the scanning controller determines, according to an irradiation dose of the charged particle beam at one of a plurality of spots that has been irradiated with the charged particle beam until immediately before the accelerator and transport system controller stops the emission, the irradiation dose measured by the irradiation dose monitor from when the signal to stop the irradiation is outputted, whether or not to skip the irradiation of the charged particle beam at another one of the plurality of spots subsequent to the one of the plurality of spots, so as to control the accelerator and transport system controller.
    Type: Application
    Filed: April 13, 2021
    Publication date: August 10, 2023
    Inventors: Kenta TAKAHASHI, Satoru OKURA, Yuki ITO, Kohei YAMADA
  • Patent number: 11721778
    Abstract: Provided is a radiation detecting element that has high adhesion between electrode portions and a substrate and does not suffer from performance failures due to insufficient insulation between the electrode portions, even if a distance between the electrode portions is narrower in order to obtain a high-definition radiation drawn image. The radiation detecting element includes: a plurality of electrode portions; and an insulating portion provided between the electrode portions on a surface of a substrate made of a compound semiconductor crystal containing cadmium telluride or cadmium zinc telluride, wherein an intermediate layer containing tellurium oxide is present between each of the electrode portions and the substrate, and wherein tellurium oxide is present on an upper portion of the insulating portion, and the tellurium oxide on the upper portion of the insulating portion has a maximum thickness of 30 nm or less.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: August 8, 2023
    Assignee: JX NIPPON MINING & METALS CORPORATION
    Inventors: Kohei Yamada, Koji Murakami