G11B 7/1267
Power calibration
G11B7/1267 (Power calibration) appears on 855 US grants and 1,066 published applications in this corpus.
Search patents in G11B- Granted patents
- 855
- Published applications
- 1,066
- Assignees
- 129
- Inventors
- 1,094
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 4 |
| 2002 | 17 | 35 |
| 2003 | 28 | 58 |
| 2004 | 17 | 73 |
| 2005 | 32 | 166 |
| 2006 | 60 | 159 |
| 2007 | 94 | 123 |
| 2008 | 91 | 148 |
| 2009 | 91 | 83 |
| 2010 | 98 | 97 |
| 2011 | 113 | 53 |
| 2012 | 72 | 18 |
| 2013 | 45 | 16 |
| 2014 | 11 | 4 |
| 2015 | 9 | 8 |
| 2016 | 10 | 4 |
| 2017 | 12 | 4 |
| 2018 | 13 | 4 |
| 2019 | 6 | 0 |
| 2020 | 4 | 3 |
| 2021 | 3 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Positive laser bias electrical control architecture for dark laser heating in heat assisted magnetic recording1 Jul 2025US 12,347,472 B1Western Digital Technologies, Inc.
- Configurable optical driver26 Nov 2024US 12,154,607 B2MACOM Technology Solutions Holdings, Inc.
- Recording state evaluation method, recording compensation method, and information recording/playback device18 Oct 2022US 11,475,918 B2Panasonic Intellectual Property Management Co., Ltd.
- Method and apparatus for modulating a laser power signal during heat-assisted magnetic recording8 Mar 2022US 11,270,733 B2Seagate Technology LLC
- Thermal compensation for heat assisted magnetic recording22 Feb 2022US 11,257,519 B2Marvell Asia Pte Ltd
- Positive laser bias electrical control architecture for dark laser heating in heat assisted magnetic recording3 Jul 2025US 2025/0218462 A1Western Digital Technologies, Inc.
- Configurable optical driver13 Mar 2025US 2025/0087241 A1MACOM Technology Solutions Holdings, Inc.
- Configurable optical driver16 Feb 2023US 2023/0048659 A1MACOM Technology Solutions Holdings, Inc.
- Recording state evaluation method, recording compensation method, and information recording/playback device13 Jan 2022US 2022/0013144 A1Panasonic Intellectual Property Management Co., Ltd.
- Method and apparatus for modulating a laser power signal during heat-assisted magnetic recording30 Dec 2021US 2021/0407546 A1Seagate Technology LLC
Most cited
By later US patents
- Multi-layered information recording medium, recording apparatus, and recording method92US 7,184,377 B2Matsushita Electric Industrial Co., Ltd. · 2007
- Optical information recording and reproducing apparatus71US 5,568,461 AMatsushita Electric Industrial Co., Ltd. · 1996
- Method and apparatus for detecting optimum recording power for an optical disk71US 6,052,347 ARicoh Company, Ltd. · 2000
- Recording method using trial write test pattern70US 5,732,061 AHitachi, Ltd. · 1998
- Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefor57US 6,411,575 B1Matsushita Electric Industrial Co., Ltd. · 2002