Patents by Inventor Sachi ONAGA

Sachi ONAGA 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).

  • Fin, heat exchanger with fin, and method of manufacturing fin
    Patent number: 11897022
    Abstract: A fin according to the present disclosure is a corrugated fin formed of a metal plate by bending into a corrugated shape, and the corrugated fin includes peak portions extending in a first direction, valley portions extending in the first direction, and inclined portions connecting the peak portions and the valley portions adjacent to each other. The peak portions and the valley portions are alternately arranged in a second direction perpendicular to the first direction, and a thickness of the metal plate at each apex of the peak portions and the valley portions is larger than a thickness of the inclined portions of the metal plate.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: February 13, 2024
    Assignee: DENSO CORPORATION
    Inventors: Kenichi Kachi, Hisashi Kobayashi, Sachi Onaga, Kazuhiro Mitsukawa, Yoshinori Sakimoto, Taichi Asano, Kazutaka Suzuki
  • FIN, HEAT EXCHANGER WITH FIN, AND METHOD OF MANUFACTURING FIN
    Publication number: 20190337043
    Abstract: A fin according to the present disclosure is a corrugated fin formed of a metal plate by bending into a corrugated shape, and the corrugated fin includes peak portions extending in a first direction, valley portions extending in the first direction, and inclined portions connecting the peak portions and the valley portions adjacent to each other. The peak portions and the valley portions are alternately arranged in a second direction perpendicular to the first direction, and a thickness of the metal plate at each apex of the peak portions and the valley portions is larger than a thickness of the inclined portions of the metal plate.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Inventors: Kenichi KACHI, Hisashi KOBAYASHI, Sachi ONAGA, Kazuhiro MITSUKAWA, Yoshinori SAKIMOTO, Taichi ASANO, Kazutaka SUZUKI