Granted Patent
Utility
US 6,724,042 · App. 09/781,066
Super-junction semiconductor device
Inventors:
Yasuhiko Onishi, Tatsuhiko Fujihira, Katsunori Ueno, Susumu Iwamoto, Takahiro Sato, Tatsuji Nagaoka
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Feb 9, 2001
Inventors
Yasuhiko Onishi
Tatsuhiko Fujihira
Katsunori Ueno
Susumu Iwamoto
Takahiro Sato
Tatsuji Nagaoka
Assignee (at issue)
FUJI ELECTRIC 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.