Granted Patent
Utility
US 6,433,782 · App. 08/894,786
Data processor apparatus and shading apparatus
Inventors:
Yasuhiro Nakatsuka, Shigeru Matsuo, Jun Satoh, Masanori Miyoshi, Koyo Katsura, Takashi Sone
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Aug 28, 1997
Inventors
Yasuhiro Nakatsuka
Shigeru Matsuo
Jun Satoh
Masanori Miyoshi
Koyo Katsura
Takashi Sone
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.