Granted Patent
Utility
US 6,836,276 · App. 10/650,766
Thermal master making device and thermal printer including the same
Inventors:
Yasunobu Kidoura, Satoshi Katoh, Yasumitsu Yokoyama, Yoshiyuki Shishido
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Aug 29, 2003
Inventors
Yasunobu Kidoura
Satoshi Katoh
Yasumitsu Yokoyama
Yoshiyuki Shishido
Assignee (at issue)
Tohoku Ricoh 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.