IP Library › Granted Patent US 6,754,157
Granted Patent Utility
US 6,754,157 · Confirmation No. 3568

RECORDING AND/OR REPRODUCING APPARATUS AND RECORDING AND/OR REPRODUCING METHOD CAPABLE OF DETECTING A LAND PRE-PIT ON DISC SECURELY AT A HIGH PRECISION

Inventor: Yutaka Osada
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2004-05-06 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-08-01 TRNA Transmittal of New Application 3 View
2001-08-01 SPEC Specification 99 View
2001-08-01 CLM Claims 18 View
2001-08-01 ABST Abstract 1 View
2001-08-01 DRW Drawings-only black and white line drawings 27 View
2001-08-01 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,754,157
App. No.
09/918,560
Filed
2001-08-01
Granted
2004-06-22
Pub. No.
US20020036967A1
Art Unit
2653
PTA
0 days