IP Library Granted Patent US 6,642,600
Granted Patent Utility
US 6,642,600 · Confirmation No. 2830

INSULATED GATE SEMICONDUCTOR DEVICE HAVING FIRST TRENCH AND SECOND TRENCH CONNECTED TO THE SAME

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2005-02-16 RETMAIL Mail returned to USPTO as undelivered 3 View
2003-09-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-10-18 TRNA Transmittal of New Application 2 View
2002-10-18 ADS Application Data Sheet 2 View
2002-10-18 SPEC Specification 77 View
2002-10-18 CLM Claims 31 View
2002-10-18 ABST Abstract 1 View
2002-10-18 DRW Drawings-only black and white line drawings 44 View
2002-10-18 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,642,600
App. No.
10/273,001
Filed
2002-10-18
Granted
2003-11-04
Pub. No.
US20030168713A1
Art Unit
2815
PTA
0 days