Granted Patent
Utility
US 6,452,233 · App. 09/531,893
SOI device having a leakage stopping layer
Inventor:
Takashi Masuda
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Mar 21, 2000
Inventor
Takashi Masuda
Assignee (at issue)
CITIZEN WATCH 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.