IP Library › Granted Patent US 6,480,420
Granted Patent Utility
US 6,480,420 · Confirmation No. 2489

SEMICONDUCTOR MEMORY DEVICE HAVING SOURCE AREAS OF MEMORY CELLS SUPPLIED WITH A COMMON VOLTAGE

Inventor: Toshiro Futatsugi
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 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
2022-08-26 PA.. Power of Attorney 2 View
2022-08-26 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2022-08-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-08-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-08-15 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
2001-03-28 TRNA Transmittal of New Application 3 View
2001-03-28 SPEC Specification 19 View
2001-03-28 CLM Claims 5 View
2001-03-28 ABST Abstract 1 View
2001-03-28 DRW Drawings-only black and white line drawings 9 View
2001-03-28 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,480,420
App. No.
09/818,652
Filed
2001-03-28
Granted
2002-11-12
Pub. No.
US20020031009A1
Examiner
MAI, SON LUU
Art Unit
2818
PTA
0 days