Granted Patent
Utility
US 6,577,446 · App. 09/870,727
Coloring structure for producing colors
Inventors:
Kinya Kumazawa, Hiroshi Tabata, Masahiko Yamanaka, Toshihiko Sada
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Jun 1, 2001
Inventors
Kinya Kumazawa
Hiroshi Tabata
Masahiko Yamanaka
Toshihiko Sada
Assignees (at issue)
Nissan Motor Co., Ltd.
TANAKA KIKINZOKU KOGYO K.K.
TEIJIN LIMITED
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.