Granted Patent
Utility
US 6,373,547 · App. 09/911,805
Liquid crystal display device having pole spacers formed over optical shield film
Inventors:
Katsutoshi Saito, Syoichi Hirota, Iwao Takemoto, Toshio Miyazawa, Katsumi Matsumoto
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Jul 25, 2001
Inventors
Katsutoshi Saito
Syoichi Hirota
Iwao Takemoto
Toshio Miyazawa
Katsumi Matsumoto
Assignees (at issue)
HITACHI, LTD.
Hitachi Device Engineering 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.