Granted Patent
Utility
US 6,424,049 · App. 09/511,107
Semiconductor device having chip-on-chip structure and semiconductor chip used therefor
Inventor:
Katsumi Sameshima
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Feb 23, 2000
Inventor
Katsumi Sameshima
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.