Granted Patent
Utility
US 6,656,833 · App. 09/842,944
Method of DRAM
Inventor:
Satoru Isogai
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Apr 26, 2001
Inventor
Satoru Isogai
Assignees (at issue)
NEC CORPORATION
NEC Electronics Corporation
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.