Granted Patent
Utility
US 5,196,394 · App. 07/784,215
Heat-sensitive recording material
Inventors:
Atsushi Nakazawa, Hideaki Shinohara, Yoshitaka Tomino, Yoichi Shin
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Oct 30, 1991
Inventors
Atsushi Nakazawa
Hideaki Shinohara
Yoshitaka Tomino
Yoichi Shin
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.