IP Library › Granted Patent US 6,688,186
Granted Patent Utility
US 6,688,186 · Confirmation No. 1669

SLIM TYPE FINGERPRINT RECOGNITION DEVICE USING CONTACT LIGHT EMITTING DEVICE AND THIN FILM TRANSISTOR FINGERPRINT INPUT DEVICE

Inventor: Sang Hoon Chae
Patented Case View Patent ↗ View Publication ↗
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2025-07-18 OATH Oath or Declaration filed 5 View
2019-09-21 OATH Oath or Declaration filed 5 View
2015-05-01 IMIS Miscellaneous Internal Document 1 View
2011-02-17 C.AD Change of Address 1 View
2011-02-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-12-19 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-07-16 TRNA Transmittal of New Application 2 View
2002-07-16 SPEC Specification 15 View
2002-07-16 CLM Claims 5 View
2002-07-16 ABST Abstract 1 View
2002-07-16 DRW Drawings-only black and white line drawings 14 View
2002-07-16 OATH Oath or Declaration filed 2 View
2002-07-16 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,688,186
App. No.
10/195,443
Filed
2002-07-16
Granted
2004-02-10
Pub. No.
US20030183019A1
Art Unit
2855
PTA
0 days