G11B 5/313
Disposition of layers
Official title: {Disposition of layers}
G11B5/313 (Disposition of layers) appears on 4,119 US grants and 2,892 published applications in this corpus.
Search patents in G11B- Granted patents
- 4,119
- Published applications
- 2,892
- Assignees
- 229
- Inventors
- 3,147
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 17 | 0 |
| 1991 | 15 | 0 |
| 1992 | 22 | 0 |
| 1993 | 19 | 0 |
| 1994 | 12 | 0 |
| 1995 | 20 | 0 |
| 1996 | 25 | 0 |
| 1997 | 34 | 0 |
| 1998 | 71 | 0 |
| 1999 | 71 | 0 |
| 2000 | 75 | 0 |
| 2001 | 97 | 52 |
| 2002 | 119 | 139 |
| 2003 | 143 | 134 |
| 2004 | 167 | 234 |
| 2005 | 134 | 129 |
| 2006 | 171 | 119 |
| 2007 | 114 | 122 |
| 2008 | 111 | 176 |
| 2009 | 104 | 153 |
| 2010 | 122 | 157 |
| 2011 | 184 | 188 |
| 2012 | 275 | 171 |
| 2013 | 307 | 148 |
| 2014 | 251 | 143 |
| 2015 | 274 | 183 |
| 2016 | 196 | 106 |
| 2017 | 161 | 87 |
| 2018 | 128 | 72 |
| 2019 | 116 | 62 |
| 2020 | 126 | 62 |
| 2021 | 97 | 56 |
| 2022 | 71 | 45 |
| 2023 | 73 | 32 |
| 2024 | 58 | 56 |
| 2025 | 51 | 40 |
| 2026 | 28 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hard disk drive and write heads having refilled structures at side edges of an assist device6 Oct 2026US 12,755,755 B1Headway Technologies, Inc.
- Write head designs with refill materials on a back edge of an assist device for improved write head reliability and performance6 Oct 2026US 12,755,756 B1Headway Technologies, Inc.
- Magnetic flux guiding device with spin torque oscillator (STO) film having negative spin polarization layers in assisted writing application8 Sep 2026US 12,731,605 B2Headway Technologies, Inc.
- Magneto-resistive reader utilizing read shields to maintain reference layer magnetization25 Aug 2026US 12,718,839 B2Headway Technologies, Inc.
- Perpendicular magnetic recording writer with tunable pole side bridge design11 Aug 2026US 12,706,113 B2Headway Technologies, Inc.
- Magnetic head and magnetic recording device24 Sep 2026US 2026/0290385 A1Kabushiki Kaisha Toshiba
- Tapered Magnetic Main Pole Structure With Variable Peg Gap For Heat-Assisted Magnetic Recording Technology17 Sep 2026US 2026/0279390 A1Headway Technologies, Inc.
- Magnetic recording device10 Sep 2026US 2026/0268928 A1Kabushiki Kaisha Toshiba
- Low Magnetostriction Material For Read Sensors20 Aug 2026US 2026/0245777 A1Western Digital Technologies, Inc.
- Perpendicular Magnetic Recording Head Equipping A Spin Torque Oscillator Element With An Electric Current In Side Gaps9 Jul 2026US 2026/0196242 A1Headway Technologies, Inc.
Most cited
By later US patents
- Electronic device using magnetic components385US 5,695,864 AInternational Business Machines Corporation · 1997
- Antiferromagnetic-ferromagnetic exchange bias films230US 4,103,315 AInternational Business Machines Corporation · 1978
- Read/write head with shifted waveguide218US 6,016,290 ARead-Rite Corporation · 2000
- Inductive write head formed with flat yoke and merged with magnetoresistive read transducer213US 6,043,959 ARead-Rite Corporation · 2000
- Differential head integrated touchdown sensors for hard disk drives207US 7,800,858 B1Western Digital (Fremont), LLC · 2010