IP Library Granted Patent US 6,670,643
Granted Patent Utility
US 6,670,643 · Confirmation No. 2055

SEMICONDUCTOR LASER DEVICE AND ITS MANUFACTURING METHOD, AND OPTICAL DISC REPRODUCING AND RECORDING APPARATUS

Inventor: Shuichi Hirukawa
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Code Description Pages PDF
2003-10-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-12-17 TRNA Transmittal of New Application 2 View
2002-12-17 ADS Application Data Sheet 2 View
2002-12-17 SPEC Specification 37 View
2002-12-17 CLM Claims 5 View
2002-12-17 ABST Abstract 1 View
2002-12-17 DRW Drawings-only black and white line drawings 11 View
2002-12-17 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,670,643
App. No.
10/320,497
Filed
2002-12-17
Granted
2003-12-30
Pub. No.
US20030122134A1
Art Unit
2822
PTA
0 days