Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7313055 | Magnetic domain wall displacement type magneto-optical recording medium Provided is a magneto-optical recording medium capable of accurately reproducing a signal of a recording density exceeding a resolution of an optical system without making a constitution thereof complicated. The magnetic domain wall displacement type magneto-optical... | 12/25/2007 |
| 7173885 | Domain-wall-displacement-type magnetooptical recording medium A domain-wall-displacement-type magnetooptical recording medium is provided in which a floating magnetic field from a surrounding portion that operates on a recording/reproducing portion is suppressed. The recording medium includes a displacement layer having a comp... | 02/06/2007 |
| 7164623 | Magneto-optical recording medium The present invention provides a magneto-optical recording medium including a recording layer, an intermediate layer and a reproducing layer stacked in this order. Information recorded in the recording layer is transferred to the reproducing layer through the interm... | 01/16/2007 |
| 7161876 | Magneto-optical recording medium, and method for recording information in a recording layer A magneto-optical recording medium includes a substrate and a reproducing layer and a recording layer provided on the substrate. A recording magnetic domain is provided in the recording layer by heating the recording layer by irradiation with light and applying a re... | 01/09/2007 |
| 7151716 | Magneto-optical recording medium having a transfer control layer A magneto-optical recording medium, including a recording layer, a transfer control layer magnetically coupled to the recording layer, and a reproduction layer. The recording layer includes a recording magnetic domain in which information is recorded by a magnetizat... | 12/19/2006 |
| 7060373 | Magneto-optical recording medium and signal reproduction method A magneto-optical recording medium includes a first magnetic layer (reproduction layer), a second magnetic layer (control layer), a third magnetic layer (blocking layer), and a fourth magnetic layer (recording layer) having respective Curie temperatures TC1 | 06/13/2006 |
| 7035138 | Magnetic random access memory having perpendicular magnetic films switched by magnetic fields from a plurality of directions A magnetization reversal method is a method of applying an external magnetic field to a magnetoresistive film, in which the magnetoresistive film has a structure wherein a nonmagnetic film is placed between magnetic films with an easy axis of magnetization along a p... | 04/25/2006 |
| 7012857 | Magneto optical recording medium having a multilayer recording film of different thickness A magneto optical recording medium capable of stable recording and readout using a DWDD system is provided. The magneto optical recording medium of the present invention comprises an optical disk substrate and a multilayer recording film comprising essentially a rea... | 03/14/2006 |
| RE38922 | Magneto-optical recording medium and method for reproducing information from a magneto-optical recording medium having three layers A magnetooptical recording medium has a first magnetic layer which is an in-plane magnetization film at both room temperature and high temperatures and changed to a perpendicular magnetization film at intermediate temperatures, and a second magnetic layer which is c... | 12/20/2005 |
| 6949302 | Magneto-optical recording medium having a reproducing layer composed to control movement of domain walls therein A magneto-optical recording medium includes at least a first magnetic layer, a second magnetic layer and a third magnetic layer which are layered in this order, the first magnetic layer being formed of a perpendicularly magnetized film having a relatively small wall... | 09/27/2005 |
| 6920091 | Optical reproduction apparatus and optical recording and reproduction apparatus There is provided an optical reproduction apparatus and an optical recording and reproduction apparatus which can improve a CNR and can read at high speed. The center portion of a laser light emitted from a semiconductor laser is shaded by a light shading portion of... | 07/19/2005 |
| 6894954 | Domain wall-displacement type magneto-optical medium and reproducing method for the same A magneto-optical recording medium has a domain wall displacement layer, a recording layer for accumulating information and a switching layer arranged between said domain wall displacement layer and said recording layer and having a Curie temperature lower than thos... | 05/17/2005 |
| 6853606 | Magneto-optical storage medium capable of transferring magnetic domain from recording layer to reproducing layer A magneto-optical recording medium includes a substrate and a reproducing layer and a recording layer provided on the substrate. A recording magnetic domain is provided in the recording layer by heating the recording layer by irradiation with light and applying a re... | 02/08/2005 |
| 6826131 | Magneto-optical recording medium having multiple magnetic layers A multilayer film including a first magnetic layer, a second magnetic layer, and a third magnetic layer in the stated order is formed so that a Curie temperature TC2 of the second magnetic layer is set to be lower than a Curie temperature TC1 o... | 11/30/2004 |
| 6808823 | Magneto-optical recording medium and manufacturing method therefor A magneto-optical recording medium including a magnetic recording layer for recording information and a magnetic reproducing layer provided on the magnetic recording layer for reading information. The magnetic reproducing layer is separated into a first reproducing ... | 10/26/2004 |
| 6707766 | Magneto-optical storage media A magneto-optical storage medium includes an interference layer, a magnetic domain expansion layer, an intermediate layer, a magnetic masking layer, a recording layer, and a protection layer which are sequentially formed on a substrate. The magnetic domain expansion... | 03/16/2004 |
| 6690625 | Magneto-optical recording medium A magneto-optical recording medium is provided with at least: a recording layer, made of a perpendicular magnetization film, in which magnetized information is recorded in the form of a perpendicular direction of magnetization; a magnetic flux generating ... | 02/10/2004 |
| 6660404 | Magnetooptical recording medium including a connection layer that is non-magnetic by itself at room temperature but can be induced to exhibit magnetism when in contact with a magnetic layer A magnetooptical recording medium comprising at least a reproduction layer, an intermediate layer, a connection layer and a recording layer, wherein the reproduction layer and intermediate layer have a slant magnetic direction in a non-magnetic field, and... | 12/09/2003 |
| 6630252 | Magneto-optical recording medium comprising four magnetic layers An MO disk includes a readout layer, an intermediate layer and a recording layer each of which is made of a rare earth-transition metal amorphous material. The MO disk also includes a fourth magnetic layer formed on the recording layer and made of a rare ... | 10/07/2003 |
| 6521357 | Magneto-optical recording medium A magneto-optical recording medium including a recording layer for recording information and a substrate for supporting the recording layer is disclosed. The recording layer includes: a recording magnetic film for recording the information, the recording ... | 02/18/2003 |
| 6430116 | Magneto-optical storage medium having first and second recording layers A magneto-optical recording medium having a writing layer, a switching layer and a readout layer on a substrate, wherein a magnetization direction corresponding to information is written in the writing layer, and the magnetization direction of the writing... | 08/06/2002 |
| 6430115 | Magneto-optical recording device with three distinct layers A reproducing layer having perpendicular magnetization in a single layer, an in-plane magnetic layer, and a recording layer having perpendicular magnetization are formed in this order. When the reproducing layer, the in-plane magnetic layer, and the recor... | 08/06/2002 |
| 6388956 | Magneto-optical storage media A magneto-optical storage medium includes an interference layer, a magnetic domain expansion layer, an intermediate layer, a magnetic masking layer, a recording layer, and a protection layer which are sequentially formed on a substrate. The magnetic domai... | 05/14/2002 |
| 6335908 | Magneto optical recording medium with mask layer A magneto-optical recording medium includes a transparent substrate, an underlying layer, a reproducing layer, a mask layer, a recording layer, and a protection layer. Reproducing layer is an in-plane magnetization film at room temperature and is transfor... | 01/01/2002 |
| 6118736 | Magneto-optical recording medium having a reading layer in which transferred recording marks are extended A magneto-optical recording medium and a reading method thereof are disclosed, in which the reading output is hardly reduced even in bits written at sufficiently narrower intervals than the optical diffraction limit of light for reading. The magneto-optic... | 09/12/2000 |
| 6096444 | Magneto-optical recording medium capable of double mask readout A magneto-optical recording medium of a three-layered structure (consisting of a readout layer, an intermediate layer, and a recording layer), capable of double-mask magnetically-induced super-resolution readout, has magnetic properties such that the exch... | 08/01/2000 |
| 6031794 | Magneto-optical recording medium and method of producing the same A magneto-optical recording medium, and a method of its production, a method of reading and an apparatus of reading the same capable of decreasing the magnetic field to be applied during MSR readout, or reading without applying magnetic field, by includin... | 02/29/2000 |
| 6027825 | Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information A magnetooptical recording medium includes a first magnetic layer, a second magnetic layer whose Curie temperature is lower than that of the first magnetic layer, and a third magnetic layer, comprising a vertically-magnetizing film, whose Curie temperatur... | 02/22/2000 |
| 6020079 | Magneto-optical recording medium and reproducing method for information recorded on the medium A magneto-optical recording medium capable of performing magnetically induced super resolution reproduction by perfectly masking a mark adjacent to a mark to be reproduced. The magneto-optical recording medium includes a transparent substrate, a magnetic ... | 02/01/2000 |
| 5965285 | Magneto-optical recording medium and reproducing method for the same A magneto-optical recording medium having first magnetic layer and second magnetic layers respectively serving as recording and reproduction layers. When an exchange-coupled force is induced between the layers, the reproducing layer takes on an identical ... | 10/12/1999 |
| 5945228 | Magneto-optical recording medium and method for reproducing thereof A magneto-optical recording medium comprises: a readout magnetic film which is perpendicular magneto-anisotropy in a temperature range higher than room temperature and less than a second temperature Tsw2, and is in-plane magneto-anisotropy in a temperatur... | 08/31/1999 |
| 5896350 | Magneto-optical recording medium and method of producing the same A magneto-optical recording medium, and a method of its production, a method of reading and an apparatus of reading the same capable of decreasing the magnetic field to be applied during MSR readout, or reading without applying magnetic field, by includin... | 04/20/1999 |
| 5831944 | Magnetooptical recording medium and method for reproducing information from a magnetooptical recording medium having three layers A magnetooptical recording medium has a first magnetic layer which is an in-plane magnetization film at both room temperature and high temperatures and changed to a perpendicular magnetization film at intermediate temperatures, and a second magnetic layer... | 11/03/1998 |
| 5825723 | Magneto-optical recording medium having a reproducing layer with different magnetization directions in different temperature ranges A non-magnetic intermediate layer for intercepting magnetic exchange interaction is provided between a recording layer and a reproducing layer which are composed of a magnetic thin film with perpendicular magnetization. At this time, the reproducing layer... | 10/20/1998 |
| 5814418 | Magneto-optical recording medium and method for reading out information from the same In one embodiment, the magneto-optical recording medium of the present invention has a recording layer structure including at least a readout magnetic film, a control magnetic film, and a recording magnetic film. The readout magnetic film is a perpendicul... | 09/29/1998 |
| 5787056 | Magneto-optical recording medium with multiple magnetic layers If the Curie points of the first magnetic layer, second magnetic layer, third magnetic layer and fourth magnetic layer of alloys of rare-earth metal and transition metal as ferrimagnetic materials showing perpendicular magnetization from room temperature ... | 07/28/1998 |
| 5754500 | Magneto-optical recording medium and method of reading the same By defining the composition of the second magnetic layer, the magneto-optical recording medium is capable of reading out at MSR whether the readout magnetic field is applied in the erasing direction or its reverse recording direction, and when a readout m... | 05/19/1998 |
| 5740133 | Magneto-optical recording medium capable of double mask readout A magneto-optical recording medium of a three-layered structure (consisting of a readout layer, an intermediate layer, and a recording layer), capable of double-mask magnetically-induced super-resolution readout, has magnetic properties such that the exch... | 04/14/1998 |
| 5717662 | Super-resolution magneto-optical recording medium using magnetostatic coupling and information reproduction method using the medium A magneto-optical recording medium includes a reproducing layer for contributing to reproduction, a recording layer for storing information, and an intermediate layer disposed between the reproducing and recording layers. The intermediate layer magnetosta... | 02/10/1998 |
| 5691963 | Magneto-optical recording device using light-modulated technic without an initial magnetic field A magneto-optical recording medium including a base; a readout layer formed on the base; a recording layer formed on the readout layer; and an auxiliary recording layer formed on the recording layer, each of the readout layer, recording layer and auxiliar... | 11/25/1997 |
