G11B 5/70657
With a skin
Official title: {with a skin}
G11B5/70657 (With a skin) appears on 37 US grants and 1 published applications in this corpus.
Search patents in G11B- Granted patents
- 37
- Published applications
- 1
- Assignees
- 19
- Inventors
- 80
- Latest grant
- 27 Jul 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ferromagnetic powder, and coating material and magnetic recording medium using same27 Jul 2010US 7,763,352 B2Dowa Electronics Materials Co., Ltd.
- Iron oxide magnetic powder and magnetic recording medium using the same23 Nov 1999US 5,989,703 ASony Corporation
- Preparation of acicular cobalt-containing magnetic iron oxide16 Jan 1996US 5,484,628 ABASF Magnetics GmbH
- Method for preparing barium-ferrite-coated .gamma.FE.sub.2 O.sub.3 magnetic power22 Nov 1994US 5,366,761 ANational Science Council
- Magnetic particles8 Jun 1993US 5,217,804 AEastman Kodak Company
Most cited
By later US patents
- Magnetic particles53US 5,217,804 AEastman Kodak Company · 1993
- Inorganic powders with improved dispersibility26US 4,810,524 ATDK Corporation · 1989
- Improving the magnetic properties of gamma-iron (III) oxide24US 4,212,903 ABASF SE · 1980
- Production of finely divided acicular magnetic iron oxides23US 3,947,502 ABayer Aktiengesellschaft · 1976
- Plate-like composite ferrite particles for magnetic recording and process for producing the same18US 5,075,169 AToda Kogyo Corporation · 1991