Granted Patent
Utility
US 6,249,372 · App. 09/393,512
Fluorescent conversion filter and color display device using the same
Inventors:
Ryoji Kobayashi, Toshiyuki Kanno
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Sep 10, 1999
Inventors
Ryoji Kobayashi
Toshiyuki Kanno
Assignee (at issue)
FUJI 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.