G11B 9/1409
Heads
Official title: {Heads}
G11B9/1409 (Heads) appears on 310 US grants and 264 published applications in this corpus.
Search patents in G11B- Granted patents
- 310
- Published applications
- 264
- Assignees
- 94
- Inventors
- 494
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 11 |
| 2002 | 14 | 28 |
| 2003 | 18 | 25 |
| 2004 | 18 | 38 |
| 2005 | 17 | 48 |
| 2006 | 34 | 28 |
| 2007 | 25 | 22 |
| 2008 | 29 | 18 |
| 2009 | 19 | 21 |
| 2010 | 16 | 8 |
| 2011 | 17 | 3 |
| 2012 | 9 | 3 |
| 2013 | 6 | 4 |
| 2014 | 4 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dielectric reproducing device and dielectric recording and reproducing device1 Jul 2025US 12,347,473 B2Tohoku University
- Applying a pre-erase or pre-condition field to a hard disk before writing data to the hard disk30 Jul 2019US 10,366,711 B1Seagate Technology LLC
- Multiple probe actuation12 Jul 2016US 9,389,243 B2Infinitesima Limited
- Microprobe and microprobe manufacturing method24 Mar 2015US 8,988,065 B2Kabushiki Kaisha Toshiba
- Magnetic storage device9 Sep 2014US 8,830,616 B2Varian Semiconductor Equipment Associates, Inc.
- Dielectric reproducing device and dielectric recording and reproducing device22 May 2025US 2025/0166660 A1Tohoku University
- Storage device29 Dec 2016US 2016/0379709 A1
- Multiple probe actuation6 Aug 2015US 2015/0219685 A1Infinitesima Limited
- Scanning probe microscopy inspection and modification system18 Jun 2015US 2015/0168445 A1Terraspan LLC
- Microprobe and microprobe manufacturing method18 Sep 2014US 2014/0283230 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- High density data storage system with topographic contact sensor116US 5,537,372 AInternational Business Machines Corporation · 1996
- Method and apparatus for mass data storage108US 5,602,820 AInternational Business Machines Corporation · 1997
- Non-volatile memory with phase-change recording layer108US 6,900,517 B2Matsushita Electric Industrial Co., Ltd. · 2005
- Transducer for heat assisted magnetic recording107US 7,272,079 B2Seagate Technology LLC · 2007
- Method for growing single-wall carbon nanotubes utilizing seed molecules103US 6,756,025 B2William Marsh Rice University · 2004