Patents by Inventor Takuya TSUKUI

Takuya TSUKUI 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: 12546314
    Abstract: A first coating layer formed by tin plating is formed on a compression chamber-side end face of a baseplate of one scroll and a surface of a spiral wall, a second coating layer formed by nickel-phosphorus plating is formed on a compression chamber-side end face of a baseplate of another scroll and a surface of a spiral wall, a wall height of the spiral wall of the other scroll is higher than a wall height of the spiral wall of the one scroll, and the first coating layer at the tip of the spiral wall of the one scroll and the second coating layer of the baseplate of the other scroll are separated from each other, and the first coating layer of the baseplate of the one scroll and the second coating layer at the tip of the spiral wall of the other scroll are in contact with each other.
    Type: Grant
    Filed: June 26, 2023
    Date of Patent: February 10, 2026
    Assignee: SANDEN CORPORATION
    Inventors: Atsuo Teshima, Taizo Sato, Eiichi Oshio, Hitoshi Akuzawa, Kyoshiro Nishiyama, Takuya Tsukui
  • Publication number: 20250354554
    Abstract: A first coating layer formed by tin plating is formed on a compression chamber-side end face of a baseplate of one scroll and a surface of a spiral wall, a second coating layer formed by nickel-phosphorus plating is formed on a compression chamber-side end face of a baseplate of another scroll and a surface of a spiral wall, a wall height of the spiral wall of the other scroll is higher than a wall height of the spiral wall of the one scroll, and the first coating layer at the tip of the spiral wall of the one scroll and the second coating layer of the baseplate of the other scroll are separated from each other, and the first coating layer of the baseplate of the one scroll and the second coating layer at the tip of the spiral wall of the other scroll are in contact with each other.
    Type: Application
    Filed: June 26, 2023
    Publication date: November 20, 2025
    Inventors: Atsuo TESHIMA, Taizo SATO, Eiichi OSHIO, Hitoshi AKUZAWA, Kyoshiro NISHIYAMA, Takuya TSUKUI