Granted Patent
Utility
US 5,081,098 · App. 07/524,458
Heat-sensitive recording material
Inventor:
Satoshi Fukui
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: May 17, 1990
Inventor
Satoshi Fukui
Assignee (at issue)
Oji Paper Co., Ltd.
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.