G11B 5/3159
Superconductive layers
Official title: {superconductive layers}
G11B5/3159 (Superconductive layers) appears on 6 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 6
- Published applications
- 0
- Assignees
- 4
- Inventors
- 13
- Latest grant
- 28 Apr 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic recording apparatus and magnetic head with superconducting material28 Apr 1992US 5,109,312 AHitachi, Ltd.
- Thin film magnetic head with improved flux concentration for high density recording/playback utilizing superconductors24 Dec 1991US 5,075,280 AAmpex Corporation
- Magnetic recording/playback head comprising a superconducting material18 Dec 1990US 4,979,064 AThomson-CSF
- Superconductor magnetic reading and writing heads20 Nov 1990US 4,971,947 AUniversity of Colorado Foundation, Inc.
- Superconductor devices for disk drives15 May 1990US 4,926,082 AUniversity of Colorado Foundation, Inc.
No published applications in this class yet.
Most cited
By later US patents
- Thin film magnetic head with improved flux concentration for high density recording/playback utilizing superconductors21US 5,075,280 AAmpex Corporation · 1991
- Superconductor devices useful for disk drives and the like19US 4,843,504 AUniversity of Colorado Foundation, Inc. · 1989
- Superconductor magnetic reading and writing heads19US 4,971,947 AUniversity of Colorado Foundation, Inc. · 1990
- Superconductor devices for disk drives11US 4,926,082 AUniversity of Colorado Foundation, Inc. · 1990
- Magnetic recording/playback head comprising a superconducting material7US 4,979,064 AThomson-CSF · 1990