Granted Patent
Utility
US 6,219,072 · App. 09/160,860
Microcomputer with a built in character display circuit and visual display unit using such a microcomputer
Inventors:
Keisuke Tanaka, Takahiro Ochi
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Sep 25, 1998
Inventors
Keisuke Tanaka
Takahiro Ochi
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.