IP Library › Granted Patent US 6,646,325
Granted Patent Utility
US 6,646,325 · Confirmation No. 3709

SEMICONDUCTOR DEVICE HAVING A STEP-LIKE SECTION ON THE BACK SIDE OF THE SUBSTRATE, AND METHOD FOR MANUFACTURING THE SAME

Inventor: Tadashi Yamaguchi
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-08-01 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-29 TRNA Transmittal of New Application 1 View
2002-01-29 SPEC Specification 28 View
2002-01-29 CLM Claims 10 View
2002-01-29 ABST Abstract 1 View
2002-01-29 DRW Drawings-only black and white line drawings 20 View
2002-01-29 OATH Oath or Declaration filed 3 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 6,646,325
App. No.
10/057,909
Filed
2002-01-29
Granted
2003-11-11
Pub. No.
US20030038367A1
Examiner
NGO, NGAN V
Art Unit
2814
PTA
0 days