G11B 7/00718
Groove and land recording, i.e. user data recorded both in the grooves
Official title: {Groove and land recording, i.e. user data recorded both in the grooves and on the lands}
G11B7/00718 (Groove and land recording, i.e. user data recorded both in the grooves) appears on 908 US grants and 626 published applications in this corpus.
Search patents in G11B- Granted patents
- 908
- Published applications
- 626
- Assignees
- 103
- Inventors
- 867
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 17 | 0 |
| 1996 | 18 | 0 |
| 1997 | 19 | 0 |
| 1998 | 37 | 0 |
| 1999 | 58 | 0 |
| 2000 | 67 | 0 |
| 2001 | 81 | 41 |
| 2002 | 71 | 111 |
| 2003 | 79 | 70 |
| 2004 | 67 | 57 |
| 2005 | 45 | 96 |
| 2006 | 89 | 38 |
| 2007 | 53 | 57 |
| 2008 | 59 | 53 |
| 2009 | 26 | 21 |
| 2010 | 25 | 18 |
| 2011 | 25 | 12 |
| 2012 | 18 | 4 |
| 2013 | 3 | 8 |
| 2014 | 9 | 10 |
| 2015 | 5 | 5 |
| 2016 | 7 | 8 |
| 2017 | 7 | 9 |
| 2018 | 9 | 4 |
| 2019 | 4 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical recording medium5 Dec 2023US 11,837,265 B2Sony Group Corporation
- Reproduction apparatus and reproduction method17 May 2022US 11,335,371 B2Sony Semiconductor Solutions Corporation
- Optical disk reproducing device17 May 2022US 11,335,372 B2Panasonic Intellectual Property Management Co., Ltd.
- High density optical disk processing apparatus, method, and computer-readable medium10 Sep 2019US 10,410,667 B2Sony Corporation
- Reproducing apparatus and reproducing method2 Jul 2019US 10,339,967 B2Sony Corporation
- Optical recording medium19 Jan 2023US 2023/0018411 A1Sony Group Corporation
- Reproduction apparatus and reproduction method16 Dec 2021US 2021/0390981 A1Sony Semiconductor Solutions Corporation
- Optical disk reproducing device21 Oct 2021US 2021/0327465 A1Panasonic Intellectual Property Management Co., Ltd.
- Reproducing apparatus and reproducing method31 Jan 2019US 2019/0035425 A1Sony Corporation
- Information processing apparatus, optical disk, information processing method, and program4 Oct 2018US 2018/0286454 A1Sony Corporation
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
- Optical disk capable of recording information on both groove and land tracks152US 5,508,995 AMatsushita Electric Industrial Co., Ltd. · 1996
- Optical disk136US 5,383,176 ASharp Kabushiki Kaisha · 1995
- 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