Patents by Inventor Tatsuya Koita

Tatsuya Koita 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).

  • Stripping agent composition and method of stripping
    Patent number: 6992050
    Abstract: A stripping composition comprising (a) an anticorrosive agent, (b) a stripping agent and (c) a solvent, wherein the anticorrosive agent (a) is a heterocyclic compound having a nitrogen atom-containing six-membered ring.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: January 31, 2006
    Assignee: NEC Corporation
    Inventors: Tatsuya Koita, Keiji Hirano, Hidemitsu Aoki, Hiroaki Tomimori
  • Stripping agent composition and method of stripping
    Publication number: 20040029051
    Abstract: A stripping composition comprising (a) an anticorrosive agent, (b) a stripping agent and (c) a solvent, wherein the anticorrosive agent (a) is a heterocyclic compound having a nitrogen atom-containing six-membered ring.
    Type: Application
    Filed: December 26, 2002
    Publication date: February 12, 2004
    Inventors: Tatsuya Koita, Keiji Hirano, Hidemitsu Aoki, Hiroaki Tomimori