Granted Patent
Utility
US 6,525,798 · App. 09/691,912
Liquid crystal display unit
Inventors:
Hiroyuki Yamakita, Katsuhiko Kumagawa, Akinori Shiota, Ichiro Sato, Akio Takimoto
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Oct 20, 2000
Inventors
Hiroyuki Yamakita
Katsuhiko Kumagawa
Akinori Shiota
Ichiro Sato
Akio Takimoto
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.