IP Library › Granted Patent US 6,670,669
Granted Patent Utility PCT National Stage
US 6,670,669 · Confirmation No. 6610

MULTIPLE-BIT NON-VOLATILE MEMORY UTILIZING NON-CONDUCTIVE CHARGE TRAPPING GATE

Inventor: Shoichi Kawamura
Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2022-08-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2022-08-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2022-08-24 PA.. Power of Attorney 2 View
2022-08-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2022-08-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-08-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-08-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-07-23 PA.. Power of Attorney 1 View
2013-07-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2013-07-23 LET. Miscellaneous Incoming Letter 1 View
2013-07-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-07-23 TRAN.LET Transmittal Letter 1 View
2009-08-31 PET.POA.WDRW Request for withdrawal as attorney or agent 2 View
2009-08-31 LET. Miscellaneous Incoming Letter 1 View
2009-08-31 LET. Miscellaneous Incoming Letter 18 View
2009-08-31 LET. Miscellaneous Incoming Letter 9 View
2009-08-31 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-08-31 TRAN.LET Transmittal Letter 1 View
2003-11-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-23 ABST Abstract 1 View
2002-01-23 LET. Miscellaneous Incoming Letter 53 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 6,670,669
App. No.
10/030,117
Filed
2002-01-23
Granted
2003-12-30
Art Unit
2824
PTA
0 days