IP Library › Granted Patent US 6,657,898
Granted Patent Utility
US 6,657,898 · Confirmation No. 3953

NONVOLATILE SEMICONDUCTOR MEMORY DEVICE AND DATA ERASE METHOD THEREFOR

Inventor: Yasuaki Hirano
Patented Case View Patent ↗ View Publication ↗
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2003-09-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-30 LET. Miscellaneous Incoming Letter 1 View
2003-09-30 DRW Drawings-only black and white line drawings 14 View
2002-12-23 TRNA Transmittal of New Application 1 View
2002-12-23 ADS Application Data Sheet 2 View
2002-12-23 SPEC Specification 42 View
2002-12-23 CLM Claims 3 View
2002-12-23 ABST Abstract 1 View
2002-12-23 DRW Drawings-only black and white line drawings 14 View
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Quick Facts
Patent No.
US 6,657,898
App. No.
10/325,955
Filed
2002-12-23
Granted
2003-12-02
Pub. No.
US20030123296A1
Art Unit
2824
PTA
0 days