Granted Patent
Utility
US 6,560,358 · App. 09/411,829
Color matching method, color matching apparatus and medium having a machine-readable product
Inventor:
Masato Tsukada
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Oct 4, 1999
Inventor
Masato Tsukada
Assignee (at issue)
NEC CORPORATION
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.