G01D 15/12
Magnetic recording elements
G01D15/12 (Magnetic recording elements) appears on 21 US grants and 2 published applications in this corpus.
Search patents in G01D- Granted patents
- 21
- Published applications
- 2
- Assignees
- 14
- Inventors
- 34
- Latest grant
- 20 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Detection device20 Jun 2023US 11,680,832 B2Ntt Docomo, Inc.
- Apparatus for detecting torque value30 Apr 2019US 10,274,385 B2Denso Corporation
- Apparatus for analyzing tracking error in magnetic tapes15 Nov 1994US 5,365,333 AMinnesota Mining and Manufacturing Company
- Method and device for erasing and writing on magnetic recording media suitable for direct viewing31 May 1994US 5,317,340 A
- Method of determining gas flow volume20 Jul 1993US 5,228,346 AMarathon Oil Company
Most cited
By later US patents
- Apparatus for forming an erasable record of the value of a measured quantity42US 4,054,922 AKienzle Apparate GmbH · 1977
- Apparatus for non-intrusive continuous and automatic taking of samples, storing and supplying of samples and data for a possible evaluation13US 5,216,925 ABruker-Franzen Analytik GmbH · 1993
- Method for non-intrusive continuous and automatic taking of samples, storing and supplying of samples and data for a possible evaluation8US 5,205,178 ABruker-Franzen Analytik GmbH · 1993
- Magnetic recording device7US 4,442,441 AFuji Xerox Co., Ltd. · 1984
- Magnetic recording medium and magnetic recording method6US 4,734,708 AFuji Xerox Co., Ltd. · 1988