Granted Patent
Utility
US 6,188,639 · App. 09/397,559
Synchronous semiconductor memory
Inventor:
Kenichi Sakakibara
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Sep 16, 1999
Inventor
Kenichi Sakakibara
Assignee (at issue)
NEC 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.