G11B 5/3186
Parallel to the gap plane
Official title: {parallel to the gap plane, e.g. "vertical head structure"}
G11B5/3186 (Parallel to the gap plane) appears on 11 US grants and 5 published applications in this corpus.
Search patents in G11B- Granted patents
- 11
- Published applications
- 5
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 11 Aug 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of forming a PMR writer device with multi-level tapered write pole11 Aug 2015US 9,105,287 B2Headway Technologies, Inc.
- PMR writer device with multi-level tapered write pole5 May 2015US 9,025,280 B2Headway Technologies, Inc.
- PMR writer device with multi-level tapered write pole11 Mar 2014US 8,670,212 B2Headway Technologies, Inc.
- PMR writer device with multi-level tapered write pole11 Sep 2012US 8,264,792 B2Headway Technologies, Inc.
- Method of planarizing substrate, magnetic head and manufacturing method of the same7 Feb 2006US 6,995,951 B2Sony Corporation
- PMR Writer Device with Multi-Level Tapered Write Pole26 Jun 2014US 2014/0177103 A1Headway Technologies, Inc.
- Method of Forming a PMR Writer Device with Multi-Level Tapered Write Pole3 Jan 2013US 2013/0001190 A1Headway Technologies, Inc.
- PMR Writer Device with Multi-Level Tapered Write Pole3 Jan 2013US 2013/0003226 A1Headway Technologies, Inc.
- PMR writer device with multi-level tapered write pole4 Nov 2010US 2010/0277832 A1Headway Technologies, Inc.
- Method of planarizing substrate, magnetic head and manufacturing method of the same12 Dec 2002US 2002/0187565 A1Sony Corporation
Most cited
By later US patents
- PMR writer device with multi-level tapered write pole76US 8,264,792 B2Headway Technologies, Inc. · 2012
- Soft magnetic thin film, method for preparing same and magnetic head42US 5,117,321 AFuji Photo Film Co., Ltd. · 1992
- Composite magnetic head13US 4,953,051 ASumitomo Special Metal Co., Ltd. · 1990
- Method of manufacturing magnetic write/read head and fabrication method11US 5,167,062 AThomson-CSF · 1992
- Soft magnetic thin film, method for preparing same and magnetic head9US 6,238,492 B1Fuji Photo Film Co., Ltd. · 2001