Granted Patent
Utility
US 5,017,545 · App. 07/359,899
Heat sensitive recording material
Inventors:
Nobuo Kanda, Ritsuo Mandoh, Masaharu Nojima, Naoto Arai
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Jun 1, 1989
Inventors
Nobuo Kanda
Ritsuo Mandoh
Masaharu Nojima
Naoto Arai
Assignee (at issue)
Kanzaki Paper Manufacturing 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.