Patents by Inventor Arao Nakamura

Arao Nakamura 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).

  • Glass having ultrafine particles of CuCl and/or CuBr precipitated therein and process for its production
    Patent number: 5024974
    Abstract: Glass having ultrafine particles of CuCl and/or CuBr precipitated therein, which consists essentially of:from 10 to 70 mol % of SiO.sub.2,from 30 to 90 mol % of B.sub.2 O.sub.3,from 0.1 to 50 mol % of Li.sub.2 O+Na.sub.2 O+K.sub.2 O, andfrom 0.01 to 10 mol % of CuCl+CuBr.The glass may further contain from 0.01 to 40 mol % of Al.sub.2 O.sub.3.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: June 18, 1991
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Arao Nakamura, Tsuneo Manabe, Naoki Sugimoto, Hiroshi Usui