G11B 19/122
Involving the detection of an identification or authentication mark
Official title: {involving the detection of an identification or authentication mark (record carriers indicating unauthorised or prior use G11B23/28)}
G11B19/122 (Involving the detection of an identification or authentication mark) appears on 438 US grants and 510 published applications in this corpus.
Search patents in G11B- Granted patents
- 438
- Published applications
- 510
- Assignees
- 112
- Inventors
- 561
- Latest grant
- 1 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 6 |
| 2002 | 20 | 60 |
| 2003 | 28 | 44 |
| 2004 | 27 | 58 |
| 2005 | 25 | 63 |
| 2006 | 49 | 77 |
| 2007 | 38 | 49 |
| 2008 | 38 | 71 |
| 2009 | 45 | 33 |
| 2010 | 41 | 13 |
| 2011 | 34 | 8 |
| 2012 | 24 | 10 |
| 2013 | 16 | 7 |
| 2014 | 7 | 4 |
| 2015 | 8 | 3 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus1 Dec 2020US 10,854,237 B2Maxell, Ltd.
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus7 Jan 2020US 10,529,372 B2Maxell, Ltd.
- Information processing device, information recording medium, information processing method, and program17 Jul 2018US 10,026,437 B2Sony Corporation
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus26 Sep 2017US 9,773,522 B2Hitachi Maxell, Ltd.
- Method and system for activation of an optical article6 Dec 2016US 9,514,782 B2NBCUniversal Media, LLC
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus8 Apr 2021US 2021/0104258 A1Maxell, Ltd.
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus2 Apr 2020US 2020/0105300 A1Maxell, Ltd.
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus21 Dec 2017US 2017/0365292 A1Hitachi Maxell, Ltd.
- Information processing device, information recording medium, information processing method, and program8 Jun 2017US 2017/0162223 A1Sony Corporation
- Digital information recording apparatus, reproducing apparatus and transmitting apparatus26 Nov 2015US 2015/0340059 A1Hitachi Maxell, Ltd.
Most cited
By later US patents
- Flexible marking of recording data by a recording unit205US 7,194,186 B1Vulcan Patents LLC · 2007
- Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk167US 5,761,301 AMatsushita Electric Industrial Co., Ltd. · 1998
- Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system144US 6,938,162 B1Matsushita Electric Industrial Co., Ltd. · 2005
- Optical disk, optical recorder, optical reproducer, crytocommunication system and program license system125US 6,081,785 AMatsushita Electric Industrial Co., Ltd. · 2000
- Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk108US 6,052,465 AMatsushita Electric Industrial Co., Ltd. · 2000