Granted Patent
Utility
US 6,800,588 · App. 10/000,063
Thermal recording material
Inventors:
Masayuki Iwasaki, Takayuki Matsumoto, Tetsuo Takeuchi, Hirofumi Mitsuo
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Dec 4, 2001
Inventors
Masayuki Iwasaki
Takayuki Matsumoto
Tetsuo Takeuchi
Hirofumi Mitsuo
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.