Granted Patent
Utility
US 4,853,363 · App. 07/178,143
Heat-sensitive recording material
Inventors:
Toshimi Satake, Toshiaki Minami, Tomoaki Nagai, Fumio Fujimura
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Apr 6, 1988
Inventors
Toshimi Satake
Toshiaki Minami
Tomoaki Nagai
Fumio Fujimura
Assignee (at issue)
Jujo 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.