IP Library › Granted Patent US 6,690,226
Granted Patent Utility
US 6,690,226 · Confirmation No. 2359

SUBSTRATE ELECTRIC POTENTIAL SENSE CIRCUIT AND SUBSTRATE ELECTRIC POTENTIAL GENERATOR CIRCUIT

Inventor: Yasuhiro Takai
Patented Case View Patent ↗ View Publication ↗
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 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
2003-12-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-05-22 TRNA Transmittal of New Application 1 View
2001-05-22 SPEC Specification 26 View
2001-05-22 CLM Claims 5 View
2001-05-22 ABST Abstract 1 View
2001-05-22 DRW Drawings-only black and white line drawings 5 View
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Quick Facts
Patent No.
US 6,690,226
App. No.
09/863,789
Filed
2001-05-22
Granted
2004-02-10
Pub. No.
US20020011893A1
Art Unit
2814
PTA
-6 days