G11B 5/232
Manufacture of gap
Official title: {Manufacture of gap}
G11B5/232 (Manufacture of gap) appears on 227 US grants and 99 published applications in this corpus.
Search patents in G11B- Granted patents
- 227
- Published applications
- 99
- Assignees
- 64
- Inventors
- 373
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 21 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 12 | 5 |
| 2002 | 10 | 8 |
| 2003 | 6 | 3 |
| 2004 | 7 | 12 |
| 2005 | 4 | 4 |
| 2006 | 13 | 6 |
| 2007 | 3 | 4 |
| 2008 | 2 | 5 |
| 2009 | 8 | 6 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 2 |
| 2013 | 6 | 3 |
| 2014 | 4 | 8 |
| 2015 | 12 | 8 |
| 2016 | 9 | 3 |
| 2017 | 6 | 3 |
| 2018 | 8 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Servo pattern recording head, servo pattern recording device, magnetic tape, magnetic tape cartridge, magnetic tape drive, magnetic tape system, and manufacturing method of magnetic tape9 Jun 2026US 12,651,609 B2FUJIFILM Corporation
- Magnetic write transducer with variable write gap length27 May 2025US 12,315,537 B2International Business Machines Corporation
- Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member18 Jul 2023US 11,705,152 B2Kabushiki Kaisha Toshiba
- Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member13 Sep 2022US 11,443,762 B2Kabushiki Kaisha Toshiba
- Method to reduce baseline shift for a SOT differential reader11 Jan 2022US 11,222,656 B1Western Digital Technologies, Inc.
- Asymmetric Side Gap Writer Fabricated By Ion-Beam Etching (IBE) / Ion-Beam Deposition (IBD) Process For Aerial Density Capability (ADC) Improvement28 May 2026US 2026/0148749 A1Headway Technologies, Inc.
- Servo pattern recording head, servo pattern recording device, magnetic tape, magnetic tape cartridge, magnetic tape drive, magnetic tape system, and manufacturing method of magnetic tape1 May 2025US 2025/0140289 A1FUJIFILM Corporation
- Writer With Patterned Hot Seed Layer20 Mar 2025US 2025/0095672 A1Headway Technologies, Inc.
- A magnetic recording system for recording data on a magnetic media11 Jul 2024US 2024/0233756 A9International Business Machines Corporation
- A magnetic recording system for recording data on a magnetic media25 Apr 2024US 2024/0135963 A1International Business Machines Corporation
Most cited
By later US patents
- Methods for tunable plating seed step coverage154US 8,670,213 B1Western Digital (Fremont), LLC · 2014
- Thin film writer with multiplayer write gap152US 6,724,569 B1Western Digital (Fremont), LLC · 2004
- Magnetic recording transducer with short effective throat height and method of fabrication145US 8,797,686 B1Western Digital (Fremont), LLC · 2014
- Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads139US 6,496,328 B1Advanced Research Corporation · 2002
- Scanning probe microscope assembly and method for making confocal, spectrophotometric, near-field, and scanning probe measurements and associated images114US 6,232,597 B1General Nanotechnology LLC · 2001