G11B 7/0079
Zoned data area
Official title: {Zoned data area, e.g. having different data structures or formats for the user data within data layer, Zone Constant Linear Velocity [ZCLV], Zone Constant Angular Velocity [ZCAV], carriers with RAM and ROM areas}
G11B7/0079 (Zoned data area) appears on 633 US grants and 604 published applications in this corpus.
Search patents in G11B- Granted patents
- 633
- Published applications
- 604
- Assignees
- 101
- Inventors
- 626
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 25 | 0 |
| 1999 | 20 | 0 |
| 2000 | 14 | 0 |
| 2001 | 19 | 13 |
| 2002 | 14 | 34 |
| 2003 | 38 | 43 |
| 2004 | 22 | 53 |
| 2005 | 20 | 75 |
| 2006 | 58 | 63 |
| 2007 | 53 | 74 |
| 2008 | 70 | 72 |
| 2009 | 36 | 19 |
| 2010 | 25 | 14 |
| 2011 | 31 | 10 |
| 2012 | 13 | 12 |
| 2013 | 21 | 10 |
| 2014 | 43 | 64 |
| 2015 | 12 | 4 |
| 2016 | 6 | 13 |
| 2017 | 10 | 11 |
| 2018 | 12 | 9 |
| 2019 | 7 | 4 |
| 2020 | 4 | 2 |
| 2021 | 3 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical storage medium24 Oct 2023US 11,798,589 B2Case Western Reserve University
- Method for playing back information recording medium13 Jun 2023US 11,676,634 B2Memory-Tech Holdings Inc.
- Optical information storage medium28 Dec 2021US 11,211,091 B2Case Western Reserve University
- System and method for determining angular displacement, velocity and acceleration of a rotating member mounted to a platform20 Jul 2021US 11,067,591 B2Aktiebolaget Skf
- Stereoscopic video reproducing method, stereoscopic video reproducing apparatus and optical disc16 Mar 2021US 10,951,876 B2Mitsubishi Electric Corporation
- Optical information storage medium6 Nov 2025US 2025/0342857 A1
- Optical storage medium15 Feb 2024US 2024/0055020 A1Case Western Reserve University
- Information recording medium and playback device17 Aug 2023US 2023/0260545 A1Memory-Tech Holdings Inc.
- Optical storage medium29 Dec 2022US 2022/0415351 A1Case Western Reserve University
- Optical information storage medium3 Mar 2022US 2022/0068306 A1
Most cited
By later US patents
- Memory disk and apparatus for recording information on memory disk239US 5,058,089 AKabushiki Kaisha Toshiba · 1991
- 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
- Method for recording and reproducing information on and from an optical disk having a read-only recorded zone and a writable and readable zone using a spot laser light175US 5,247,494 AMatsushita Electric Industrial Co., Ltd. · 1993
- Multi-layered recording disk and recording/reproducing system using the same155US 5,608,715 APioneer Electronic Corporation · 1997