Granted Patent
Utility
US 5,256,492 · App. 07/562,629
Thermal transfer recording sheet
Inventors:
Takao Hirota, Yukichi Murata, Tsutomu Taki, Hideo Shinohara
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Aug 3, 1990
Inventors
Takao Hirota
Yukichi Murata
Tsutomu Taki
Hideo Shinohara
Assignee (at issue)
Mitsubishi Kasei Corporation
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.