Granted Patent
Utility
US 4,520,370 · App. 06/468,905
Laser thermal printer
Inventors:
Yoshihiko Fujii, Osamu Tomita, Itaru Taniguchi, Kazuhiko Saiwai
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Feb 23, 1983
Inventors
Yoshihiko Fujii
Osamu Tomita
Itaru Taniguchi
Kazuhiko Saiwai
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.