Granted Patent
Utility
US 6,825,896 · App. 10/379,791
Light guide plate and display device
Inventors:
Youichiro Goto, Toru Nose, Hiroshi Yamashita, Yoshiaki Maeno, Masahiro Higuchi
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Mar 6, 2003
Inventors
Youichiro Goto
Toru Nose
Hiroshi Yamashita
Yoshiaki Maeno
Masahiro Higuchi
Assignee (at issue)
SANYO ELECTRIC CO., 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.