G11B 7/00458
Verification, i.e. checking data during or after recording
Official title: {Verification, i.e. checking data during or after recording}
G11B7/00458 (Verification, i.e. checking data during or after recording) appears on 152 US grants and 199 published applications in this corpus.
Search patents in G11B- Granted patents
- 152
- Published applications
- 199
- Assignees
- 72
- Inventors
- 312
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 5 |
| 2003 | 4 | 9 |
| 2004 | 3 | 13 |
| 2005 | 7 | 20 |
| 2006 | 8 | 22 |
| 2007 | 11 | 28 |
| 2008 | 8 | 29 |
| 2009 | 10 | 10 |
| 2010 | 9 | 14 |
| 2011 | 20 | 9 |
| 2012 | 13 | 7 |
| 2013 | 15 | 15 |
| 2014 | 12 | 5 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 2 | 2 |
| 2018 | 6 | 4 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data storage device with intelligent write protection for energy anomalies in energy-assisted magnetic recording19 May 2026US 12,633,309 B2Western Digital Technologies, Inc.
- Information verification method and related device9 Dec 2025US 12,494,226 B1Huawei Technologies Co., Ltd.
- Data storage device compensating for mode hop of a laser4 May 2021US 10,997,997 B1Western Digital Technologies, Inc.
- Optical storage system divider based draw verification with high frequency writing strategy pattern3 Mar 2020US 10,580,449 B2Oracle International Corporation
- Optical storage system divider based DRAW verification with high frequency writing strategy pattern8 Jan 2019US 10,176,837 B2Oracle International Corporation
- Data storage device with intelligent write protection for energy anomalies in energy-assisted magnetic recording3 Oct 2024US 2024/0331729 A1Western Digital Technologies, Inc.
- Optical storage system divider based draw verification with high frequency writing strategy pattern9 May 2019US 2019/0139570 A1Oracle International Corporation
- Optical storage system divider based draw verification with high frequency writing strategy pattern24 May 2018US 2018/0144770 A1Oracle International Corporation
- Optical disk device and large-scale optical disk device24 May 2018US 2018/0144772 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical storage system divider based draw verification with automatic bias or delay adjustment22 Feb 2018US 2018/0053524 A1Oracle International Corporation
Most cited
By later US patents
- Optical signal recorders employing two lasers and methods therefor57US 4,694,447 AInternational Business Machines Corporation · 1987
- Associative write verify39US 6,788,443 B2InPhase Technologies, Inc. · 2004
- Optical storage device, recording method of optical storage medium and program33US 7,548,495 B2Fujitsu Limited · 2009
- Optical disc apparatus and recording power determining method thereof32US 6,845,071 B2Matsushita Electric Industrial Co., Ltd. · 2005
- Optical tape drive that performs direct read after write operations23US 6,141,312 ACompaq Computer Corporation · 2000