G11B 5/70636
Cro2
Official title: {CrO2}
G11B5/70636 (Cro2) appears on 55 US grants and 6 published applications in this corpus.
Search patents in G11B- Granted patents
- 55
- Published applications
- 6
- Assignees
- 21
- Inventors
- 111
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 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 | 2 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tape media having synergistic magnetic recording layer and underlayer5 Sep 2023US 11,749,306 B2International Business Machines Corporation
- Underlayer formulation for tape media26 Oct 2021US 11,158,340 B2International Business Machines Corporation
- Tape media having synergistic magnetic recording layer and underlayer19 Oct 2021US 11,152,027 B2International Business Machines Corporation
- Chromium dioxide (CrO2) and composites of chromium dioxide and other oxides of chromium such as CrO2/Cr2O3 and CrO2/Cr2O5) and process for manufacturing the same2 Oct 2007US 7,276,226 B2Tata Institute of Fundamental Research
- Dual-surface flexible magnetic tape10 May 2005US 6,890,631 B2International Business Machines Corporation
- Tape media having synergistic magnetic recording layer and underlayer16 Dec 2021US 2021/0390980 A1International Business Machines Corporation
- Underlayer formulation for tape media25 Feb 2021US 2021/0056993 A1International Business Machines Corporation
- Tape media having synergistic magnetic recording layer and underlayer25 Feb 2021US 2021/0056996 A1International Business Machines Corporation
- Chromium dioxide (cro2) and composites of chromium dioxide and other oxides of chromium such as cro2/cr2o3 and cro2/cr2o5 and process for manufacturing the same8 Dec 2005US 2005/0271577 A1Tata Institute of Fundamental Research
- Dual-surface flexible magnetic tape7 Apr 2005US 2005/0074637 A1
Most cited
By later US patents
- Underlayer formulation for tape media26US 11,158,340 B2International Business Machines Corporation · 2021
- Stabilized ferromagnetic chromium dioxide and process for its preparation23US 4,169,802 AMontedison S.p.A. · 1979
- Novel metal powders and magnetic tapes produced therewith14US 4,061,824 AGraham Magnetics Incorporated · 1977
- Dual-surface flexible magnetic tape12US 6,890,631 B2International Business Machines Corporation · 2005
- Flexible multi-layer magnetic recording media9US 4,109,046 ABASF SE · 1978