Granted Patent
Utility
US 5,401,708 · App. 08/063,025
Heat-sensitive recording material
Inventors:
Yoshihiro Shimizu, Takuji Tuji, Ritsuo Mandoh, Hisayoshi Mitoh
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: May 17, 1993
Inventors
Yoshihiro Shimizu
Takuji Tuji
Ritsuo Mandoh
Hisayoshi Mitoh
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.