Granted Patent
Utility
US 6,563,546 · App. 10/108,643
High definition display unit and high definition display method
Inventors:
Yukimi Saiki, Masahisa Tsukahara, Toshimitsu Watanabe, Kazuhiko YOSHIZAWA
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Mar 29, 2002
Inventors
Yukimi Saiki
Masahisa Tsukahara
Toshimitsu Watanabe
Kazuhiko YOSHIZAWA
Assignees (at issue)
HITACHI, LTD.
Hitachi Video and Information Systems, Inc.
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.