G11B 7/0953
To compensate for eccentricity of the disc or disc tracks
Official title: {to compensate for eccentricity of the disc or disc tracks}
G11B7/0953 (To compensate for eccentricity of the disc or disc tracks) appears on 366 US grants and 259 published applications in this corpus.
Search patents in G11B- Granted patents
- 366
- Published applications
- 259
- Assignees
- 125
- Inventors
- 601
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 20 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 9 |
| 2002 | 15 | 39 |
| 2003 | 10 | 30 |
| 2004 | 29 | 16 |
| 2005 | 19 | 25 |
| 2006 | 29 | 31 |
| 2007 | 22 | 25 |
| 2008 | 21 | 37 |
| 2009 | 15 | 16 |
| 2010 | 14 | 7 |
| 2011 | 15 | 9 |
| 2012 | 11 | 6 |
| 2013 | 6 | 2 |
| 2014 | 4 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for fabricating semiconductor chip by using multi-curing apparatus and multi-curing apparatus20 Dec 2022US 11,532,328 B2Samsung Electronics Co., Ltd.
- Hologram recording and playback device and hologram playback method16 May 2017US 9,653,107 B2Hitachi Consumer Electronics Co., Ltd.
- Recording/reproducing apparatus and recording medium28 Mar 2017US 9,607,648 B2Hitachi Consumer Electronics Co., Ltd.
- Tracking control device, tracking control method, and optical disc apparatus9 Aug 2016US 9,412,406 B2Mitsubishi Electric Corporation
- Optical pickup and optical information storage system including the same29 Sep 2015US 9,147,426 B2Toshiba Samsung Storage Technology Korea Corporation
- Method for fabricating semiconductor chip by using multi-curing apparatus and multi-curing apparatus21 Nov 2019US 2019/0351449 A1Samsung Electronic Co., Ltd.
- Tracking control device, tracking control method, and optical disc apparatus2 Jun 2016US 2016/0155461 A1Mitsubishi Electric Corporation
- Hologram recording and playback device and hologram playback method11 Feb 2016US 2016/0042757 A1Hitachi Consumer Electronics Co., Ltd.
- Method for determining phase difference of tracking error signal11 Feb 2016US 2016/0042758 A1Quanta Storage Inc.
- Recording/reproducing apparatus and recording medium5 Nov 2015US 2015/0318011 A1Hitachi Consumer Electronics Co., Ltd.
Most cited
By later US patents
- Information retrieval system and apparatus251US 4,536,866 AVideonics of Hawaii, Inc. · 1985
- Disc track servo system133US 4,142,209 ARCA Corporation · 1979
- Optical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position information115US 5,452,284 AMatsushita Electric Industrial Co., Ltd. · 1995
- Optical disc access method and optical disk storage using coarse and fine actuators82US 4,866,687 AHitachi, Ltd. · 1989
- Composite tracking servo system for optical disc apparatus with track offset correction72US 4,866,688 AHitachi, Ltd. · 1989