Granted Patent
Utility
US 6,677,643 · App. 09/811,727
Super-junction semiconductor device
Inventors:
Susumu Iwamoto, Tatsuhiko Fujihira, Katsunori Ueno, Yasuhiko Onishi, Takahiro Sato
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Mar 19, 2001
Inventors
Susumu Iwamoto
Tatsuhiko Fujihira
Katsunori Ueno
Yasuhiko Onishi
Takahiro Sato
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.