Patents by Inventor Ryoga SOEDA

Ryoga SOEDA 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).

  • Resistor and manufacturing method thereof
    Patent number: 12753466
    Abstract: The present invention relates to a resistor including a Ni-based alloy that consists of 15.0 mass %?Cr?25.0 mass %, 1.0 mass %?Al?4.0 mass %, 1.0 mass %?Cu?3.0 mass %, 0 mass %?Si?1.5 mass %, and 0 mass %?Mn?1.5 mass %, with the balance being Ni and inevitable impurities, in which the resistor has a Vickers hardness at 20° C. of 160 Hv or more and 230 Hv or less, a volume resistivity at 20° C. of 125 ??·cm or more and 150 ??·cm or less, and a temperature coefficient of resistance at 20° C. to 155° C. of ?50 ppm/° C. or more and 10 ppm/° C. or less, and relates to a manufacturing method thereof.
    Type: Grant
    Filed: April 10, 2024
    Date of Patent: October 6, 2026
    Assignee: Daido Steel Co., Ltd.
    Inventors: Ryoga Soeda, Yuki Nakamura, Hiroyuki Miyamoto
  • FERRITIC STAINLESS STEEL AND STEEL SHEET
    Publication number: 20250188581
    Abstract: The present invention relates to a ferritic stainless steel containing: C?0.03 mass %; Si?0.05 mass %; 0.30 mass %?Mn?1.00 mass %; P?0.05 mass %; S?0.05 mass %; Cu?0.10 mass %; 20.0 mass %?Cr?25.0 mass %; V?0.10 mass %; Co?0.10 mass %; Al?0.10 mass %; 0.01 mass %?Ti?0.30 mass %; N?0.03 mass %; 0.05 mass %?La?0.30 mass %; and Ni?2.00 mass %; and at least one selected from the group consisting of 0.10 mass %?W?2.00 mass % and 0.10 mass %?Mo?2.00 mass %, with a balance being Fe and unavoidable impurities.
    Type: Application
    Filed: November 5, 2024
    Publication date: June 12, 2025
    Inventors: Ryoga SOEDA, Yoshihiko KOYANAGI, Tomohiro ANDO, Chihiro FURUSHO
  • FERRITIC STAINLESS STEEL AND STEEL SHEET
    Publication number: 20250188583
    Abstract: The present invention relates to a ferritic stainless steel containing: 0 mass %<C?0.03 mass %; Si?0.05 mass %; 0.30 mass %?Mn?1.00 mass %; P?0.05 mass %; S?0.05 mass %; Cu?0.10 mass %; Ni?0.20 mass %; 20.0 mass %?Cr?25.0 mass %; Co?0.10 mass %; Al?0.10 mass %; 0.01 mass %?Ti?0.30 mass %; 0 mass %<N?0.03 mass %; 0.05 mass %?La?0.30 mass %; and at least one element selected from the group consisting of: 0.05 mass %?V?2.00 mass %, 0.05 mass %?Nb?2.00 mass %, 0.05 mass %?Ta?0.30 mass %, and 0.0010 mass %?B?0.0100 mass %, with a balance being Fe and unavoidable impurities.
    Type: Application
    Filed: November 4, 2024
    Publication date: June 12, 2025
    Inventors: Ryoga SOEDA, Yoshihiko KOYANAGI, Tomohiro ANDO, Chihiro FURUSHO
  • RESISTOR AND MANUFACTURING METHOD THEREOF
    Publication number: 20240344181
    Abstract: The present invention relates to a resistor including a Ni-based alloy that consists of 15.0 mass %?Cr?25.0 mass %, 1.0 mass %?Al?4.0 mass %, 1.0 mass %?Cu?3.0 mass %, 0 mass %?Si?1.5 mass %, and 0 mass %?Mn?1.5 mass %, with the balance being Ni and inevitable impurities, in which the resistor has a Vickers hardness at 20° C. of 160 Hv or more and 230 Hv or less, a volume resistivity at 20° C. of 125 ??·cm or more and 150 ??·cm or less, and a temperature coefficient of resistance at 20° C. to 155° C. of ?50 ppm/° C. or more and 10 ppm/° C. or less, and relates to a manufacturing method thereof.
    Type: Application
    Filed: April 10, 2024
    Publication date: October 17, 2024
    Inventors: Ryoga SOEDA, Yuki NAKAMURA, Hiroyuki MIYAMOTO