G11B 7/24012
Optical cards
G11B7/24012 (Optical cards) appears on 112 US grants and 111 published applications in this corpus.
Search patents in G11B- Granted patents
- 112
- Published applications
- 111
- Assignees
- 41
- Inventors
- 131
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 4 |
| 2003 | 5 | 8 |
| 2004 | 6 | 10 |
| 2005 | 3 | 9 |
| 2006 | 7 | 16 |
| 2007 | 7 | 8 |
| 2008 | 15 | 18 |
| 2009 | 15 | 18 |
| 2010 | 21 | 6 |
| 2011 | 6 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal medium and laser recording device26 Mar 2024US 11,942,125 B2Kabushiki Kaisha Toshiba
- Positioning method and device for hologram in card-type holographic storage medium17 May 2022US 11,335,370 B2Amethystum Storage Technology Co., Ltd.
- Optical medium having a linear track27 Aug 2019US 10,395,686 B2Sony Corporation of America
- Enclosure for reading an optical medium at an input port29 Nov 2016US 9,508,380 B2Sony Corporation of America
- Data storage method and device23 Sep 2014US 8,842,351 B2General Electric Company
- Security tag29 Jan 2026US 2026/0028465 A1Murata Manufacturing Co., Ltd.
- Thermal medium and laser recording device19 Jan 2023US 2023/0019146 A1Kabushiki Kaisha Toshiba
- Positioning method and device for hologram in card-type holographic storage medium22 Jul 2021US 2021/0225403 A1Amethystum Storage Technology Co., Ltd.
- Optical Medium Having a Linear Track15 Dec 2016US 2016/0365108 A1Sony Corporation of America
- System for reading an optical medium having a linear track17 Nov 2016US 2016/0336032 A1Sony Corporation of America
Most cited
By later US patents
- Optical data card79US 4,812,633 AMinnesota Mining and Manufacturing Company · 1989
- Calling card43US 6,016,298 AAdivan High Tech AG · 2000
- Optical recording card with optical recording layers41US 4,673,626 ADai Nippon Insatsu Kabushiki Kaisha · 1987
- Optical data storage system with multiple write-once phase-change recording layers39US 5,555,537 AInternational Business Machines Corporation · 1996
- Information recording medium30US 6,744,725 B2Victor Company of Japan, Ltd. · 2004