G11B 5/4915
Structure of specially adapted heads
Official title: {Structure of specially adapted heads (G11B5/3906 takes precedence)}
G11B5/4915 (Structure of specially adapted heads) appears on 52 US grants and 22 published applications in this corpus.
Search patents in G11B- Granted patents
- 52
- Published applications
- 22
- Assignees
- 31
- Inventors
- 95
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 2 |
| 2003 | 4 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 3 |
| 2021 | 4 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Magnetic bubble memory from 4F lanthanide and ferromagnetic type materials23 Dec 2025US 12,505,857 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Disk writing mode providing main pole relaxation11 Mar 2025US 12,249,353 B1Marvell Asia Pte Ltd
- Memory devices comprising magnetic tracks individually comprising a plurality of magnetic domains having domain walls and methods of forming a memory device comprising magnetic tracks individually comprising a plurality of magnetic domains having domain walls10 Dec 2024US 12,165,723 B2Micron Technology, Inc.
- Disk writing mode providing main pole relaxation6 Feb 2024US 11,894,025 B1Marvell Asia Pte Ltd
- Pulse-based writing for magnetic storage media17 Jan 2023US 11,557,316 B2Marvell Asia Pte Ltd
- Memory Devices Comprising Magnetic Tracks Individually Comprising a Plurality of Magnetic Domains Having Domain Walls and Methods of Forming a Memory Device Comprising Magnetic Tracks Individually Comprising a Plurality of Magnetic Domains Having Domain Walls20 Feb 2025US 2025/0061956 A1Micron Technology, Inc.
- Magnetic bubble memory8 Feb 2024US 2024/0046960 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Pulse-Based Writing for Magnetic Storage Media16 Jun 2022US 2022/0189504 A1Marvell Asia Pte Ltd
- Pulse-Based Writing for Magnetic Storage Media5 Aug 2021US 2021/0241789 A1Marvell Asia Pte Ltd
- Memory Devices Comprising Magnetic Tracks Individually Comprising A Plurality Of Magnetic Domains Having Domain Walls And Methods Of Forming A Memory Device Comprising Magnetic Tracks Individually Comprising A Plurality Of Magnetic Domains Having Domain Walls20 May 2021US 2021/0151116 A1Micron Technology, Inc.
Most cited
By later US patents
- Electronic device using magnetic components385US 5,695,864 AInternational Business Machines Corporation · 1997
- Magnetoresistive head with minimal electromigration155US 6,163,426 ARead-Rite Corporation · 2000
- Magnetostrictive/electrostrictive thin film memory50US 5,239,504 AInternational Business Machines Corporation · 1993
- High magnetic anisotropy hard magnetic bias element22US 7,061,731 B2Seagate Technology LLC · 2006
- Pick-up device for magnetically recorded information and method and system for using same21US 4,228,473 ASony Corporation · 1980