Granted Patent
Utility
US 6,825,537 · App. 10/683,868
Vertical field effect transistor
Inventors:
Susumu Iwamoto, Yasuhiko Onishi, Takahiro Sato, Tatsuji Nagaoka
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Oct 10, 2003
Inventors
Susumu Iwamoto
Yasuhiko Onishi
Takahiro Sato
Tatsuji Nagaoka
Assignee (at issue)
Fuji Electric Device Technology Co., 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.