Granted Patent
Utility
US 6,606,292 · App. 10/165,285
Recording method for phase-change recording medium
Inventor:
Takashi Ohno
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Jun 7, 2002
Inventor
Takashi Ohno
Assignee (at issue)
MITSUBISHI CHEMICAL 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.