Patents by Inventor Keita TATEYAMA

Keita TATEYAMA 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).

  • Aluminum fin material, heat exchanger, air conditioner, and method for producing aluminum fin material
    Patent number: 12287160
    Abstract: An aluminum fin material includes an aluminum plate, an erosion-resistant coating layer on a surface of the aluminum plate, and a hydrophilic coating layer formed on a surface of the erosion-resistant coating layer. The erosion-resistant coating layer contains an acrylic resin and fluororesin particles, an amount of the erosion-resistant coating layer is 0.05 mg/dm2 or more and 8.00 mg/dm2 or less, and a content of the fluororesin particles in the erosion-resistant coating layer is 0.05 mass % or more and 8.00 mass % or less.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 29, 2025
    Assignees: Kobe Steel, Ltd., Mitsubishi Electric Corporation
    Inventors: Ryosuke Tsunoda, Keita Tateyama, Reiji Morioka, Etsuko Hirose, Yoshinori Yamamoto
  • ALUMINUM FIN MATERIAL, HEAT EXCHANGER, AIR CONDITIONER, AND METHOD FOR PRODUCING ALUMINUM FIN MATERIAL
    Publication number: 20230046781
    Abstract: An aluminum fin material includes an aluminum plate, an erosion-resistant coating layer on a surface of the aluminum plate, and a hydrophilic coating layer formed on a surface of the erosion-resistant coating layer. The erosion-resistant coating layer contains an acrylic resin and fluororesin particles, an amount of the erosion-resistant coating layer is 0.05 mg/dm2 or more and 8.00 mg/dm2 or less, and a content of the fluororesin particles in the erosion-resistant coating layer is 0.05 mass % or more and 8.00 mass % or less.
    Type: Application
    Filed: January 25, 2021
    Publication date: February 16, 2023
    Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Mitsubishi Electric Corporation
    Inventors: Ryosuke TSUNODA, Keita TATEYAMA, Reiji MORIOKA, Etsuko HIROSE, Yoshinori YAMAMOTO