G11B 2220/216
Rewritable discs
G11B2220/216 (Rewritable discs) appears on 2,584 US grants and 2,560 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,584
- Published applications
- 2,560
- Assignees
- 242
- Inventors
- 2,135
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 19 | 0 |
| 1999 | 38 | 0 |
| 2000 | 64 | 0 |
| 2001 | 102 | 105 |
| 2002 | 131 | 309 |
| 2003 | 172 | 279 |
| 2004 | 171 | 378 |
| 2005 | 128 | 280 |
| 2006 | 275 | 330 |
| 2007 | 244 | 256 |
| 2008 | 229 | 198 |
| 2009 | 209 | 112 |
| 2010 | 186 | 70 |
| 2011 | 264 | 177 |
| 2012 | 82 | 26 |
| 2013 | 111 | 12 |
| 2014 | 32 | 11 |
| 2015 | 15 | 5 |
| 2016 | 5 | 3 |
| 2017 | 5 | 4 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Handling write commands during a refresh operation in a shingled magnetic recording drive26 May 2026US 12,640,165 B2Kabushiki Kaisha Toshiba
- Wearable recording system with memory designation19 Mar 2024US 11,937,017 B2
- Imaging device and recording control system30 Mar 2021US 10,965,901 B2Sony Corporation
- Wearable recording system with memory designation30 Mar 2021US 10,965,910 B2
- Wearable recording system with memory designation31 Dec 2019US 10,523,901 B2
- Handling write commands during a refresh operation in a shingled magnetic recording drive15 Jan 2026US 2026/0018186 A1Kabushiki Kaisha Toshiba
- Wearable recording system with memory designation13 Jun 2024US 2024/0195942 A1Stellar, LLC
- Wearable Recording System With Memory Designation8 Jul 2021US 2021/0211611 A1
- Wearable Recording System With Memory Designation23 Apr 2020US 2020/0128213 A1
- Wearable recording system with memory designation24 May 2018US 2018/0146163 A1Stellar, LLC
Most cited
By later US patents
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management720US 6,658,568 B1Intertrust Technologies Corporation · 2003
- Systems and methods using cryptography to protect secure computing environments603US 6,157,721 AIntertrust Technologies Corporation · 2000
- Optical disc having an area storing original and user chain information specifying at least part of a video object stored on the disc, and a computer program and recording apparatus for recording and editing the chain information540US 6,181,870 B2Matushita Electric Industrial Co., Ltd. · 2001