G11B 5/7023
Containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
Official title: {containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins (G11B5/7022 takes precedence)}
G11B5/7023 (Containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins) appears on 212 US grants and 52 published applications in this corpus.
Search patents in G11B- Granted patents
- 212
- Published applications
- 52
- Assignees
- 52
- Inventors
- 355
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 5 | 0 |
| 1986 | 15 | 0 |
| 1987 | 16 | 0 |
| 1988 | 16 | 0 |
| 1989 | 13 | 0 |
| 1990 | 4 | 0 |
| 1991 | 14 | 0 |
| 1992 | 14 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 4 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 1 | 4 |
| 2006 | 3 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 4 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 4 |
| 2021 | 8 | 10 |
| 2022 | 6 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic recording medium and cartridge16 Sep 2025US 12,417,784 B2Sony Group Corporation
- Tape media having synergistic magnetic recording layer and underlayer5 Sep 2023US 11,749,306 B2International Business Machines Corporation
- Magnetic recording medium, magnetic recording and reproducing device and composition for magnetic recording medium including polyalkyleneimine compound6 Jun 2023US 11,670,334 B2FUJIFILM Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus25 Oct 2022US 11,482,249 B2FUJIFILM Corporation
- Magnetic recording medium and magnetic recording and reproducing device6 Sep 2022US 11,437,065 B2FUJIFILM Corporation
- Magnetic recording medium13 Aug 2026US 2026/0237402 A1Sony Group Corporation
- Magnetic recording medium and cartridge23 Jul 2026US 2026/0212887 A1Sony Group Corporation
- Magnetic recording medium and cartridge22 May 2025US 2025/0166657 A1Sony Group Corporation
- Tape media having synergistic magnetic recording layer and underlayer16 Dec 2021US 2021/0390980 A1International Business Machines Corporation
- Magnetic recording medium, magnetic recording and reproducing device and composition for magnetic recording medium including polyalkyleneimine compound25 Nov 2021US 2021/0366513 A1FUJIFILM Corporation
Most cited
By later US patents
- Magnetic tape and magnetic tape device121US 10,074,393 B2FUJIFILM Corporation · 2018
- Magnetic polymer latex and preparation process104US 4,358,388 ARhone-Poulenc Industries · 1982
- Magnetic recording medium57US 4,152,485 AToyo Boseki Kabushiki Kaisha · 1979
- Magnetic recording medium52US 4,731,292 AKonishiroku Photo Industry Co., Ltd. · 1988
- Electron-beam reactive magnetic coating composition for magnetic recording media44US 4,600,521 ANippon Zeon Co., Ltd. · 1986