IP Library › Granted Patent US 6,331,724
Granted Patent Utility
US 6,331,724 · App. 08/997,407

Single transistor E2prom memory device with controlled erasing

Inventors: James T. Chen, Atsuo Yagi
Patented Case View Patent ↗
Granted: Dec 18, 2001 Filed: Dec 23, 1997
Inventors
James T. Chen
Atsuo Yagi
Assignee (at issue)
Nippon Precision Circuits Inc.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,331,724
App. No.
08/997,407
Filed
1997-12-23
Granted
2001-12-18
Kind
A