G01R 33/1207
Testing individual magnetic storage devices
Official title: {Testing individual magnetic storage devices, e.g. records carriers or digital storage elements (functional testing G06F11/00, G06F11/28)}
G01R33/1207 (Testing individual magnetic storage devices) appears on 197 US grants and 121 published applications in this corpus.
Search patents in G01R- Granted patents
- 197
- Published applications
- 121
- Assignees
- 104
- Inventors
- 494
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 5 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 4 |
| 2007 | 4 | 6 |
| 2008 | 2 | 19 |
| 2009 | 7 | 8 |
| 2010 | 8 | 8 |
| 2011 | 7 | 2 |
| 2012 | 7 | 12 |
| 2013 | 5 | 5 |
| 2014 | 8 | 1 |
| 2015 | 3 | 4 |
| 2016 | 3 | 4 |
| 2017 | 3 | 3 |
| 2018 | 7 | 4 |
| 2019 | 7 | 5 |
| 2020 | 2 | 2 |
| 2021 | 8 | 6 |
| 2022 | 0 | 6 |
| 2023 | 6 | 5 |
| 2024 | 7 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method to calculate performance of a magnetic element comprising a ferromagnetic layer exchange-coupled to an antiferromagnetic layer25 Aug 2026US 12,716,970 B2Allegro MicroSystems, LLC
- Apparatus for testing a component, method of testing the component, computer-readable storage device for implementing the method, and test arrangement using a magnetic field24 Jun 2025US 12,339,308 B2Advantest Corporation
- Inspection device10 Jun 2025US 12,327,579 B2Samsung Electronics Co., Ltd.
- Magnetic field measurement using container with particle3 Jun 2025US 12,320,868 B2Analog Devices International Unlimited Company
- Sensor based memory array data scrubbing3 Jun 2025US 12,321,263 B2Internaional Business Machines Corporation
- Method for determining switching of nanomagnets4 Dec 2025US 2025/0372191 A1Qnami AG
- System and method for disk drive fly height measurement27 Feb 2025US 2025/0069623 A1STMicroelectronics International N. V.
- Magnetic field measurement using container with particle27 Jun 2024US 2024/0210495 A1Analog Devices International Unlimited Company
- Method to calculate performance of a magnetic element comprising a ferromagnetic layer exchange-coupled to an antiferromagnetic layer27 Jun 2024US 2024/0210498 A1Allegro MicroSystems, LLC
- Multilayer exchange spring recording media7 Mar 2024US 2024/0079030 A1
Most cited
By later US patents
- Apparatus and method for authentication of documents printed with magnetic ink128US 5,418,458 AEastman Kodak Company · 1995
- Magnetic field sensor apparatus113US 7,474,093 B2Infineon Technologies AG · 2009
- Environmentally controlled media defect detection system for Winchester disk drives105US 4,967,155 AMicropolis Corporation · 1990
- Defect inspecting apparatus for disc-shaped information recording media75US 5,212,677 AMitsubishi Denki Kabushiki Kaisha · 1993
- Method and apparatus for transmitting diagnostic data for a storage device67US 8,640,007 B1Western Digital Technologies, Inc. · 2014