Granted Patent
Utility
US 6,535,448 · App. 09/975,957
Semiconductor integrated circuit device having bidirectional data transfer between a main memory unit and an auxiliary
Inventor:
Yoshinori Matsui
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Oct 15, 2001
Inventor
Yoshinori Matsui
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.