G11B 7/24047
Substrates
G11B7/24047 (Substrates) appears on 101 US grants and 164 published applications in this corpus.
Search patents in G11B- Granted patents
- 101
- Published applications
- 164
- Assignees
- 72
- Inventors
- 315
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 12 |
| 2003 | 9 | 5 |
| 2004 | 4 | 7 |
| 2005 | 3 | 15 |
| 2006 | 7 | 12 |
| 2007 | 3 | 9 |
| 2008 | 3 | 8 |
| 2009 | 1 | 6 |
| 2010 | 3 | 5 |
| 2011 | 8 | 2 |
| 2012 | 2 | 18 |
| 2013 | 12 | 26 |
| 2014 | 16 | 12 |
| 2015 | 13 | 10 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 4 |
| 2023 | 1 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for fabricating nanostructured optical elements17 Feb 2026US 12,555,604 B2University of Southampton
- Storage mediums and methods of making the same30 Sep 2025US 12,431,164 B2Corning Incorporated
- Optical storage medium24 Oct 2023US 11,798,589 B2Case Western Reserve University
- Optical recording medium and method for manufacturing the same16 Mar 2021US 10,950,269 B2Sony Corporation
- Optical information processing device29 Dec 2020US 10,878,847 B2Panasonic Intellectual Property Management Co., Ltd.
- Photopolymer film, composition for forming photopolymer film, hologram recording medium and optical element16 Jul 2026US 2026/0202793 A1LG Chem.Ltd.
- Ultra-Thin Data Carrier and Method of Read-Out16 Jan 2025US 2025/0021781 A1Ceramic Data Solutions GmbH
- Storage mediums and methods of making the same17 Oct 2024US 2024/0347075 A1Corning Incorporated
- Optical storage medium15 Feb 2024US 2024/0055020 A1Case Western Reserve University
- Ultra-Thin Data Carrier and Method of Read-Out15 Feb 2024US 2024/0055021 A1Ceramic Data Solutions GmbH
Most cited
By later US patents
- Highly oriented thermotropic optical disc member82US 4,959,252 ARhone-Poulenc Chimie · 1990
- High performance optical storage medium with separate mechanical servo tracks embedded within the medium29US 4,578,788 AInternational Business Machines Corporation · 1986
- Optical disc substrate having relatively thicker central supporting portion and relatively thinner recording portion24US 5,999,513 ASony Corporation · 1999
- Optical recording medium having light transparent cover layer smaller in outer diameter than substrate15US 6,507,559 B1Sharp Kabushiki Kaisha · 2003
- Disk-type recording medium having a crack hindering element12US 6,532,210 B2Samsung Electronics Co., Ltd. · 2003