Granted Patent
Utility
US 6,475,897 · App. 09/639,709
Semiconductor device and method of forming semiconductor device
Inventor:
Takashi Hosaka
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Aug 14, 2000
Inventor
Takashi Hosaka
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.