Granted Patent
Utility
US 6,653,178 · App. 10/061,578
Thin film transistor and method for manufacturing the same
Inventors:
Takatoshi Tsujimura, Taroh Hasumi, Osamu Tokuhiro, Mitsuo Morooka
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jan 31, 2002
Inventors
Takatoshi Tsujimura
Taroh Hasumi
Osamu Tokuhiro
Mitsuo Morooka
Assignee (at issue)
International Business Machines 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.