Granted Patent
Utility
US 6,212,317 · App. 09/199,501
Method of manufacturing color filter and device of manufacturing the same
Inventors:
Naoki Takeshita, Kaoru Ikeda, Yuzo Hayashi
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Nov 25, 1998
Inventors
Naoki Takeshita
Kaoru Ikeda
Yuzo Hayashi
Assignee (at issue)
ALPS 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.