G11B 5/70673
Containing co
Official title: {containing Co}
G11B5/70673 (Containing co) appears on 65 US grants and 11 published applications in this corpus.
Search patents in G11B- Granted patents
- 65
- Published applications
- 11
- Assignees
- 32
- Inventors
- 148
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 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 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 9 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic tape having characterized coefficient of variation of e-iron oxide powder particle size, magnetic tape cartridge, and magnetic recording and reproducing apparatus6 Jun 2023US 11,670,333 B2FUJIFILM Corporation
- Magnetic recording medium and method of manufacturing a magnetic recording medium10 Jul 2007US 7,241,518 B2Sony Corporation
- Cobalt-containing iron oxide pigments, process for producing the same and magnetic recording medium containing the same27 Jun 2000US 6,080,233 AToda Kogyo Corporation
- Magnetic recording medium7 Sep 1999US 5,948,522 AVerbatim Corporation
- Cobalt-containing magnetic iron oxide and process for producing the same11 Mar 1997US 5,609,789 AIshihara Sangyo Kaisha, Ltd.
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device16 Sep 2021US 2021/0287703 A1FUJIFILM Corporation
- Magnetic tape, magnetic tape cartridge, and magnetic recording and reproducing apparatus16 Sep 2021US 2021/0287704 A1FUJIFILM Corporation
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device16 Sep 2021US 2021/0287705 A1FUJIFILM Corporation
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device16 Sep 2021US 2021/0287707 A1FUJIFILM Corporation
- Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device16 Sep 2021US 2021/0287708 A1FUJIFILM Corporation
Most cited
By later US patents
- Process for preparing magnetic iron oxide and magnetic iron oxide produced thereby54US 4,200,680 AFuji Photo Film Co., Ltd. · 1980
- Magnetic recording elements and process of preparation43US 4,163,823 AEastman Kodak Company · 1979
- Process for producing magnetic powder having high coercive force41US 4,321,302 ATDK Electronics Co., Ltd. · 1982
- Magnetic recording medium35US 4,794,042 ATDK Corporation · 1988
- Magnetic iron oxides with improved orientability and a process for their production31US 3,931,025 ABayer Aktiengesellschaft · 1976