Granted Patent
Utility
US 6,577,374 · App. 09/669,849
Active matrix substrate having column spacers integral with protective layer and process for fabrication thereof
Inventors:
Shinichi Nakata, Yuji Yamamoto, Mamoru Okamoto, Michiaki Sakamoto, Hironori Kikkawa, Muneo Maruyama
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Sep 27, 2000
Inventors
Shinichi Nakata
Yuji Yamamoto
Mamoru Okamoto
Michiaki Sakamoto
Hironori Kikkawa
Muneo Maruyama
Assignee (at issue)
NEC LCD Technologies, 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.