Granted Patent
Utility
US 6,331,883 · App. 09/195,539
Flat panel display device and manufacturing method thereof
Inventors:
Tatsuya Hasegawa, Masaichi Ohkubo, Yoshihiro Ito, Sanae Tokunaga
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Nov 19, 1998
Inventors
Tatsuya Hasegawa
Masaichi Ohkubo
Yoshihiro Ito
Sanae Tokunaga
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.