Granted Patent
Utility
US 6,720,662 · App. 09/702,870
Semiconductor device of chip-on-chip structure with a radiation noise shield
Inventor:
Keiichi Den
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Nov 1, 2000
Inventor
Keiichi Den
Assignee (at issue)
ROHM 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.