G11B 7/24073
Tracks
G11B7/24073 (Tracks) appears on 1,217 US grants and 1,215 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,217
- Published applications
- 1,215
- Assignees
- 167
- Inventors
- 1,288
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 14 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 15 | 0 |
| 1997 | 21 | 0 |
| 1998 | 24 | 0 |
| 1999 | 36 | 0 |
| 2000 | 36 | 0 |
| 2001 | 45 | 23 |
| 2002 | 41 | 71 |
| 2003 | 50 | 109 |
| 2004 | 70 | 126 |
| 2005 | 41 | 141 |
| 2006 | 101 | 139 |
| 2007 | 86 | 137 |
| 2008 | 124 | 167 |
| 2009 | 103 | 76 |
| 2010 | 89 | 46 |
| 2011 | 70 | 29 |
| 2012 | 46 | 27 |
| 2013 | 29 | 32 |
| 2014 | 51 | 58 |
| 2015 | 14 | 7 |
| 2016 | 11 | 14 |
| 2017 | 8 | 6 |
| 2018 | 7 | 4 |
| 2019 | 5 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Optical device and method for detection target substance analysis4 Jul 2023US 11,692,924 B2JVCKENWOOD Corporation
- High density optical recording medium having multiple recording layers31 Dec 2019US 10,522,181 B2Sony Corporation
- High density optical disk processing apparatus, method, and computer-readable medium10 Sep 2019US 10,410,667 B2Sony Corporation
- Optical medium having a linear track27 Aug 2019US 10,395,686 B2Sony Corporation of America
- Optical disc having a plurality of recording layers9 Apr 2019US 10,255,941 B2Memory-Tech Holdings Inc.
- Optical track format for holographic storage optical disc and encoding method thereof16 Feb 2023US 2023/0051058 A1Amethystum Storage Technology Co., Ltd.
- Analysis device and analysis method20 May 2021US 2021/0148808 A1JVCKENWOOD Corporation
- Optical recording medium, method for producing same and recording layer for optical recording media11 Apr 2019US 2019/0108854 A1Sony Corporation
- Information processing apparatus, optical disk, information processing method, and program4 Oct 2018US 2018/0286454 A1Sony Corporation
- Optical information recording medium having first and second pit row of identical reflectance9 Aug 2018US 2018/0226097 A1Memory-Tech Holdings Inc.
Most cited
By later US patents
- Method of recording or reproducing data on or from high density multi-layer recording medium using variable light intensity218US 7,009,927 B2Samsung Electronics Co., Ltd. · 2006
- Optical reproducing method215US 6,549,497 B2Hitachi, Ltd. · 2003
- Multi-layered recording disk and recording/reproducing system using the same155US 5,608,715 APioneer Electronic Corporation · 1997
- Method of and apparatus for recording an information signal147US 4,901,300 AU. S. Philips Corporation · 1990
- Rewritable optical disk with spare area and optical disk processing apparatus141US 6,469,978 B1Mitsubishi Denki Kabushiki Kaisha · 2002