Granted Patent
Utility
US 5,287,440 · App. 07/491,826
Graphic processing method for drawing an area defined by clipping of a variable shape and apparatus for doing the same
Inventors:
Kimiya Yamaashi, Shuuichi Miura, Yuji Taki, Atsushi Kawabata
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Mar 12, 1990
Inventors
Kimiya Yamaashi
Shuuichi Miura
Yuji Taki
Atsushi Kawabata
Assignee (at issue)
HITACHI, 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.