Granted Patent
Utility
US 5,925,907 · App. 08/720,014
Semiconductor device including transistor with composite gate structure and transistor with single gate structure
Inventor:
Katsuki Hazama
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Sep 27, 1996
Inventor
Katsuki Hazama
Assignee (at issue)
NIPPON STEEL 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.