Granted Patent
Utility
US 4,547,456 · App. 06/537,063
Heat mode recording material and a recording method by the use thereof
Inventors:
Yasuo Kojima, Fumio Shimada
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Sep 29, 1983
Inventors
Yasuo Kojima
Fumio Shimada
Assignee (at issue)
Konishiroku Photo Industry 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.