Granted Patent
Utility
US 6,423,486 · App. 09/810,215
Thermographic recording elements
Inventors:
Kohzaburoh Yamada, Hiroyuki Suzuki, Takashi Hoshimiya, Hirotomo Sasaki, Kohji Kawato, Toshihide Ezoe
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Mar 19, 2001
Inventors
Kohzaburoh Yamada
Hiroyuki Suzuki
Takashi Hoshimiya
Hirotomo Sasaki
Kohji Kawato
Toshihide Ezoe
Assignee (at issue)
Fujitsu Limited
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.