Patents by Inventor Ryosuke Asakura

Ryosuke Asakura 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).

  • Titanium oxide and resin composition
    Patent number: 6153679
    Abstract: Titanium oxide and a thermoplastic resin composition incorporated therewith, said titanium oxide being characterized by its property that it disperses into ethylene glycol (as a dispersing medium) to give a 13 wt % suspension which has a specific resistance higher than 7000 .OMEGA..multidot.cm and passes through a filter paper with a pore size of 6 .mu.m such that the filtration pressure does not exceed 100 kPa after filtration for 4 minutes at a flow rate of 1.73 cm.sup.3 /min.multidot.cm.sup.2.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: November 28, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Tomio Kawaji, Ryosuke Asakura, Tomohiro Taniguchi
  • Method for producing polyesters
    Patent number: 5703179
    Abstract: Method for producing polyesters by measuring the content of at least one of water, glycol and its ester-forming derivative in the distillate to be recycled, determining the amounts of the raw materials to be fed to the intended reaction device, on the basis of the data thus measured, and feeding stabilized amounts of recycle to the reaction device.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: December 30, 1997
    Assignee: Toray Industries, Inc.
    Inventors: Ryosuke Asakura, Hirohito Nagaiwa, Masashige Murakami