Granted Patent
Utility
US 5,206,210 · App. 07/734,745
Heat-sensitive recording material
Inventors:
Tetsuo Tsuchida, Yukihiro Abe, Takehiro Minami, Naoto Arai
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Jul 23, 1991
Inventors
Tetsuo Tsuchida
Yukihiro Abe
Takehiro Minami
Naoto Arai
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.