Granted Patent
Utility
US 6,737,705 · App. 09/843,251
Insulated gate semiconductor device
Inventors:
Seiji Momota, Yuichi Onozawa, Masahito Otsuki, Hiroki Wakimoto
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Apr 26, 2001
Inventors
Seiji Momota
Yuichi Onozawa
Masahito Otsuki
Hiroki Wakimoto
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.