Patents by Inventor Shunduke Abe

Shunduke Abe 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).

  • POLYGLYCOLIC ACID RESIN SHORT FIBERS FOR USE IN WELL TREATMENT FLUID
    Publication number: 20150087560
    Abstract: Polyglycolic acid resin short fibers for a well treatment fluid, the fibers having the following characteristics of (a) to (e): (a) an outside diameter of 5 to 300 ?m; (b) a fiber length of 1 to 30 mm; (c) fineness of 0.1 to 25 D; (d) strength of 1 to 20 gf/D; and (e) a ratio of an area of the polyglycolic acid resin with respect to an area of a circle circumscribing a cross section of the fibers being from 10 to 95%; and a well treatment fluid containing the polyglycolic acid resin short fibers for a well treatment fluid.
    Type: Application
    Filed: April 22, 2013
    Publication date: March 26, 2015
    Inventors: Shunduke Abe, Masahiro Yamazaki, Takeo Takahashi, Hiroyuki Sato, Kenichi Suzuki