Granted Patent
Utility
US 6,660,332 · App. 09/988,743
Methods and apparatus for making color filter by discharging a filter material
Inventors:
Tomomi Kawase, Hisashi Aruga, Satoru Katagami, Masaharu Shimizu, Hiroshi Kiguchi
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Nov 20, 2001
Inventors
Tomomi Kawase
Hisashi Aruga
Satoru Katagami
Masaharu Shimizu
Hiroshi Kiguchi
Assignee (at issue)
SEIKO EPSON CORPORATION
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.