Granted Patent
Utility
US 4,567,114 · App. 06/484,169
Thermal dye-transfer type recording sheet
Inventors:
Hiroyo Oshima, Isao Kano, Yutaka Kojima, Yoshihiko Shimura, Ken Ishiguro, Koichi Nagai
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Apr 12, 1983
Inventors
Hiroyo Oshima
Isao Kano
Yutaka Kojima
Yoshihiko Shimura
Ken Ishiguro
Koichi Nagai
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.