Patents by Inventor Yuichi Etoh

Yuichi Etoh 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: 4218428
    Abstract: A process for removing chlorine ions from wet flue-gas processing system.According to the process of this invention, the accumulation of the chlorine ions in the processing system is sufficiently prevented, and thus the corrosion of the apparatus is efficiently avoided.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: August 19, 1980
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Yuichi Etoh, Akira Kitayama, Sadami Kobayashi, Shigeyoshi Okazaki