Patents by Inventor Nobuhiko Ohara

Nobuhiko Ohara 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).

  • Composition for polishing glass and polishing method
    Patent number: 6248143
    Abstract: An abrasive composition for polishing glass, containing a basic salt of magnesium. Also disclosed is a method for polishing glass with the abrasive composition.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: June 19, 2001
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Tomoyuki Masuda, Hiroshi Mizukami, Nobuhiko Ohara, Yutaka Yamauchi
  • Transparent conductive film
    Patent number: 5045235
    Abstract: A transparent conductive film comprises, as the main component, indium oxide (In.sub.2 O.sub.3), and 6 to 20 mol % of zirconium oxide (ZrO.sub.2). The film has a light transmittance of 90% or more and an electric resistivity of less than the 2.times.10.sup.-4 .OMEGA.. cm of a conventional ITO film.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: September 3, 1991
    Assignee: Showa Denko K.K.
    Inventors: Nobuhiko Ohara, Hirozumi Izawa