Patents by Inventor Nobuhiko Shiromaru

Nobuhiko Shiromaru 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).

  • Electric dust collector, discharge electrode, method for producing the discharge electrode, and method for producing discharge needle
    Publication number: 20100058929
    Abstract: To improve anti-corrosion property in a wet-type electric dust collector while ensuring discharge function. A coating layer of thermoplastic resin is provided to an entire surface of a needle-type rigid discharge electrode including a support pipe and a discharge needle of an electric dust collector for removing a corrosive mist in an exhaust gas. Then, the coating layer on a tip surface of the discharge needle is coarsely polished and removed to expose a coarse discharge edge surface.
    Type: Application
    Filed: September 27, 2006
    Publication date: March 11, 2010
    Applicant: Hitachi Plant Technologies, Ltd.
    Inventors: Mitsuaki Yanagida, Nobuhiko Shiromaru