IP Library Granted Patent US 6,636,448
Granted Patent Utility
US 6,636,448 · Confirmation No. 5736

SEMICONDUCTOR MEMORY DEVICE HAVING FEWER MEMORY CELL PLATES BEING ACTIVATED IN A TEST MODE THAN IN A NORMAL MODE

Inventor: Yasuji Koshikawa
⬇ PDF
Code Description Pages PDF
2009-01-07 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-11-24 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-08-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-05-29 TRNA Transmittal of New Application 1 View
2001-05-29 SPEC Specification 36 View
2001-05-29 CLM Claims 5 View
2001-05-29 ABST Abstract 1 View
2001-05-29 DRW Drawings-only black and white line drawings 10 View
2001-05-29 OATH Oath or Declaration filed 3 View
Monitor This Case
Get email alerts when status or documents change.
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 application's details
Quick Facts
Patent No.
US 6,636,448
App. No.
09/867,057
Filed
2001-05-29
Granted
2003-10-21
Pub. No.
US20010050870A1
Art Unit
2824
PTA
-202 days