Patents by Inventor Yukio Hatano

Yukio Hatano 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).

  • Hollow yarn membrane module, hollow yarn membrane module unit, and method of producing hollow yarn membrane modules
    Publication number: 20030038075
    Abstract: A hollow fiber membrane module having a structure, in which raw water is supplied into a filtration chamber containing a hollow fiber membrane and surrounded by a first sealing body having the open ends of the numerous hollow fiber membranes constituting the hollow fiber membrane bundle, a cylindrical case and a second sealing means, through a raw water supply port formed in the cylindrical case at a position near the second sealing body, and in which the drain of backwashing is discharged through a drain port formed in the second sealing body.
    Type: Application
    Filed: March 20, 2002
    Publication date: February 27, 2003
    Inventors: Tatsuo Akimoto, Hisaaki Fujino, Seiji Okumura, Tetsuo Nishimura, Yukio Hatano