G11B 5/73923
Organic polymer substrates
Official title: {Organic polymer substrates}
G11B5/73923 (Organic polymer substrates) appears on 621 US grants and 262 published applications in this corpus.
Search patents in G11B- Granted patents
- 621
- Published applications
- 262
- Assignees
- 116
- Inventors
- 1,020
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 19 | 0 |
| 1986 | 25 | 0 |
| 1987 | 29 | 0 |
| 1988 | 22 | 0 |
| 1989 | 17 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 20 | 0 |
| 1993 | 20 | 0 |
| 1994 | 29 | 0 |
| 1995 | 31 | 0 |
| 1996 | 25 | 0 |
| 1997 | 19 | 0 |
| 1998 | 17 | 0 |
| 1999 | 30 | 0 |
| 2000 | 21 | 0 |
| 2001 | 25 | 9 |
| 2002 | 23 | 25 |
| 2003 | 14 | 35 |
| 2004 | 30 | 25 |
| 2005 | 16 | 30 |
| 2006 | 16 | 14 |
| 2007 | 12 | 21 |
| 2008 | 11 | 8 |
| 2009 | 5 | 5 |
| 2010 | 4 | 10 |
| 2011 | 6 | 5 |
| 2012 | 3 | 5 |
| 2013 | 4 | 1 |
| 2014 | 3 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 2 |
| 2017 | 4 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 5 | 12 |
| 2021 | 10 | 16 |
| 2022 | 21 | 14 |
| 2023 | 11 | 5 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic recording medium and cartridge2 Jun 2026US 12,646,531 B2Sony Group Corporation
- Process for forming underlayer for tape media3 Mar 2026US 12,567,442 B2International Business Machines Corporation
- Edge profiled media substrate3 Feb 2026US 12,542,158 B1Seagate Technology LLC
- Magnetic recording cartridge including magnetic recording medium having a variation in width22 Jul 2025US 12,367,906 B2Sony Group Corporation
- Magnetic recording medium having controlled change in average width and cartridge14 Jan 2025US 12,198,743 B2Sony Group Corporation
- Magnetic recording medium13 Aug 2026US 2026/0237402 A1Sony Group Corporation
- Magnetic recording medium6 Aug 2026US 2026/0229252 A1Sony Group Corporation
- Magnetic recording medium11 Jun 2026US 2026/0162677 A1Sony Group Corporation
- Magnetic tape and tape cartridge16 Apr 2026US 2026/0105930 A1Sony Group Corporation
- Magnetic recording medium, magnetic tape cartridge, magnetic recording and reproducing device, and polymer12 Mar 2026US 2026/0073942 A1FUJIFILM Corporation
Most cited
By later US patents
- Magnetic recording tape126US 6,228,461 B1Fuji Photo Film Co., Ltd. · 2001
- Aromatic polyamide-type films125US 3,966,686 AToray Industries, Inc. · 1976
- Magnetic recording medium125US 5,728,454 AFuji Photo Film Co., Ltd. · 1998
- Magnetic recording medium supported on aromatic polyamide119US 4,112,187 AToray Industries, Inc. · 1978
- Magnetic recording medium110US 9,542,967 B2Sony Corporation · 2017