G11B 5/3103
Structure or manufacture of integrated heads or heads mechanically assembled and electrically
Official title: {Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing}
G11B5/3103 (Structure or manufacture of integrated heads or heads mechanically assembled and electrically) appears on 1,371 US grants and 667 published applications in this corpus.
Search patents in G11B- Granted patents
- 1,371
- Published applications
- 667
- Assignees
- 195
- Inventors
- 2,137
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 17 | 0 |
| 1988 | 12 | 0 |
| 1989 | 20 | 0 |
| 1990 | 18 | 0 |
| 1991 | 26 | 0 |
| 1992 | 22 | 0 |
| 1993 | 25 | 0 |
| 1994 | 26 | 0 |
| 1995 | 25 | 0 |
| 1996 | 35 | 0 |
| 1997 | 53 | 0 |
| 1998 | 84 | 0 |
| 1999 | 80 | 0 |
| 2000 | 72 | 0 |
| 2001 | 60 | 27 |
| 2002 | 59 | 54 |
| 2003 | 69 | 61 |
| 2004 | 70 | 82 |
| 2005 | 51 | 63 |
| 2006 | 72 | 42 |
| 2007 | 37 | 27 |
| 2008 | 29 | 34 |
| 2009 | 22 | 28 |
| 2010 | 23 | 29 |
| 2011 | 27 | 15 |
| 2012 | 22 | 14 |
| 2013 | 28 | 18 |
| 2014 | 23 | 28 |
| 2015 | 45 | 31 |
| 2016 | 28 | 31 |
| 2017 | 37 | 22 |
| 2018 | 34 | 22 |
| 2019 | 20 | 13 |
| 2020 | 16 | 5 |
| 2021 | 13 | 3 |
| 2022 | 5 | 4 |
| 2023 | 8 | 5 |
| 2024 | 6 | 5 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low friction planar servo writer head16 Jun 2026US 12,658,200 B2Western Digital Technologies, Inc.
- Forming a heat channel on a magnetic write pole using an adhesion layer6 Jan 2026US 12,518,781 B1Seagate Technology LLC
- Spindle motor12 Aug 2025US 12,387,749 B2MINEBEA MITSUMI Inc.
- Multi-layer NFT for HAMR with a thermal shunt connecting the metal layers11 Mar 2025US 12,249,355 B1Western Digital Technologies, Inc.
- Near-field transducer (NFT) designs for improved performance of heat-assisted magnetic recording (HAMR)7 Jan 2025US 12,190,908 B2Western Digital Technologies, Inc.
- Thermo-mechanical-optical bonding of lubricants to carbon overcoat of magnetic recording media28 May 2026US 2026/0148750 A1Western Digital Technologies, Inc.
- Low crosstalk piggy-back tape head1 Jan 2026US 2026/0004806 A1International Business Machines Corporation
- Low Friction Planar Servo Writer Head11 Dec 2025US 2025/0378846 A1Western Digital Technologies, Inc.
- Multi-Layer NFT for HAMR with a Thermal Shunt Connecting the Metal Layers6 Mar 2025US 2025/0078863 A1Western Digital Technologies, Inc.
- Local extension of head overcoat with a near-field transducer extending toward the media-facing surface5 Dec 2024US 2024/0404551 A1Western Digital Technologies, Inc.
Most cited
By later US patents
- Process for producing electrical connections through a substrate191US 4,964,212 ACommissariat A L' Energie Atomique · 1990
- Inductive transducer with recessed leading pole layer184US 6,724,572 B1Western Digital Corporation · 2004
- Inductive transducer with reduced pole tip protrusion182US 6,751,055 B1Western Digital (Fremont), LLC · 2004
- Laminated carbon-containing overcoats for information storage system transducers181US 6,433,965 B1Read-Rite Corporation · 2002
- Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor179US 6,943,993 B2Western Digital (Fremont), LLC · 2005