G11B 2220/211
Discs having both read-only and rewritable or recordable areas containing application data
Official title: Discs having both read-only and rewritable or recordable areas containing application data; Partial ROM media
G11B2220/211 (Discs having both read-only and rewritable or recordable areas containing application data) appears on 626 US grants and 518 published applications in this corpus.
Search patents in G11B- Granted patents
- 626
- Published applications
- 518
- Assignees
- 72
- Inventors
- 344
- Latest grant
- 30 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 18 | 26 |
| 2002 | 22 | 74 |
| 2003 | 51 | 27 |
| 2004 | 34 | 77 |
| 2005 | 25 | 26 |
| 2006 | 47 | 52 |
| 2007 | 51 | 30 |
| 2008 | 40 | 22 |
| 2009 | 34 | 12 |
| 2010 | 16 | 10 |
| 2011 | 161 | 151 |
| 2012 | 27 | 6 |
| 2013 | 5 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Partial adjustment of disk drive areal density to compensate for head or surface degradation30 Aug 2022US 11,430,471 B1Seagate Technology LLC
- Computing device13 Jul 2021US 11,061,566 B2
- Computing device with a separate processor provided with management functionality through a separate interface with the interface bus6 Nov 2018US 10,120,572 B2
- Computer storage device having separate read-only space and read-write space, removable media component, system management interface, and network interface22 Mar 2016US 9,292,222 B2
- Information recording device, information recording medium and information recording method20 Oct 2015US 9,165,595 B2Sharp Kabushiki Kaisha
- Computing device21 Mar 2019US 2019/0087093 A1
- Computing device22 Dec 2016US 2016/0371006 A1
- Information recording device, information recording medium and information recording method19 Feb 2015US 2015/0049597 A1Sharp Kabushiki Kaisha
- Computer storage device having separate read-only space and read-write space, removable media component, system management interface, and network interface23 Oct 2014US 2014/0317399 A1
- Information recording apparatus and method25 Jul 2013US 2013/0188929 A1Pioneer Corporation
Most cited
By later US patents
- Recording medium capable of interactive reproducing323US 6,167,189 AKabushiki Kaisha Toshiba · 2000
- Large capacity recording medium, method and apparatus for reproducing data from a large-capacity recording medium, and method and apparatus for recording data on a large-capacity recording medium227US 5,778,142 AKabushiki Kaisha Toshiba · 1998
- 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
- Information recording medium, method for recording information, and method for reproduction information142US 6,385,389 B1Kabushiki Kaisha Toshiba · 2002
- Information storage medium and information recording/playback system138US 7,907,819 B2Kabushiki Kaisha Toshiba · 2011