| Patents for G11B 13 - Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom (1,475) |
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| 01/20/2005 | US20050013207 Information storage medium, information reproduction device, information reproduction method |
| 01/19/2005 | EP1498890A1 OPTICAL STORAGE DEVICE, AND OPTICAL STORAGE MEDIUM READING/WRITING METHOD |
| 12/23/2004 | WO2004014786A3 Method for optical induction of a mass transport |
| 12/22/2004 | CN1556524A Optical disk magnetic disk integration data read wright assembly |
| 12/22/2004 | CN1181473C Method and device for disc recoding and/or reproducing, and method for detecting its tilt |
| 12/21/2004 | US6832730 Smart card with rotating storage |
| 12/15/2004 | CN1555058A Recording medium and system for recording and reproducing the recording medium |
| 12/15/2004 | CN1180426C Method for processing data in such storage medium |
| 11/24/2004 | EP1480204A1 Optical disk, method of manufacturing an optical disk and a reproduction apparatus |
| 11/24/2004 | EP1479079A1 Disk data storage media with edge track data surface |
| 11/24/2004 | CN1550003A Recording heads using magnetic fields generated locally from high current densities in a thin film wire |
| 11/24/2004 | CN1549250A Recording medium, recording and reproducing method and recording and reproducing apparatus |
| 11/17/2004 | CN1547202A Optical disk, an optical disk barcode forming method and an optical disk reproduction apparatus |
| 11/17/2004 | CN1547201A Content reproduction apparatus and method |
| 11/17/2004 | CN1547200A Content reproduction apparatus and method |
| 11/16/2004 | US6819588 Memory element, method for structuring a surface, and storage device |
| 11/10/2004 | CN1545088A Optical disk and method of manufacturing an optical disk |
| 11/09/2004 | US6816334 Information recording and reproducing device and tracking servo system therefor |
| 11/04/2004 | US20040218477 Laser assisted track width definition and radial control with magnetic recording |
| 10/21/2004 | US20040207952 Magnetic media with readable topographical features in combination with a slider-mounted non-magnetic transducer |
| 10/14/2004 | US20040202065 Integrated reproducing/recording apparatus |
| 10/14/2004 | US20040202055 Disk cartridge for optical disk drives |
| 10/06/2004 | EP1465164A2 Reproduction circuit in an optical disk reproduction apparatus |
| 10/06/2004 | CN1535447A Smart card with rotating magnetic storage disk |
| 09/28/2004 | US6798691 Asymmetric dot shape for increasing select-unselect margin in MRAM devices |
| 09/23/2004 | US20040184394 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk |
| 09/22/2004 | EP1459312A2 Asymmetric run length constraints for increased resolution and power margin in mammos read-out |
| 09/21/2004 | US6795380 Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus |
| 09/16/2004 | US20040181489 Recording medium reproducer, cryptocommunication system and program license system |
| 09/16/2004 | US20040181488 Recording medium, recorder, reproducer, cryptocommunication system and program license system |
| 09/08/2004 | CN1165904C System for recording and reproducing recording medium |
| 09/02/2004 | US20040169950 Magnetic recording media ; air bearing surface of recording head; conductor positioned on edge of write pole; supplying current |
| 09/01/2004 | CN1165040C Recording medium, recording and reproducing method, and recording and reproducing device |
| 08/31/2004 | US6785445 Near field light probe, near field optical microscope, near field light lithography apparatus, and near field light storage apparatus that have the near field light probe |
| 08/26/2004 | US20040165482 Magnetic medium using spin-polarized electrons and apparatus and method of recording data on the magnetic medium |
| 08/24/2004 | US6781779 Magnetic recording medium, its production method and magnetic recording apparatus |
| 08/18/2004 | EP1356463B1 Mechanical data processing |
| 08/17/2004 | US6778969 Method and apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption |
| 08/10/2004 | US6775100 Laser assisted track width definition and radial control with magnetic recording |
| 07/22/2004 | WO2004061837A1 Magnetic field generator and magneto-optical information storage device |
| 07/21/2004 | EP1439534A2 Optical disk, optical recorder, optical reproducer, cryptocommunication system and program license system |
| 07/15/2004 | US20040136277 Data read/write systems |
| 06/30/2004 | CN1155959C Optical disc and optical disc device |
| 06/29/2004 | US6757391 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on a optical disk, and a method of manufacturing an optical disk |
| 06/16/2004 | CN1154097C Optical disk and reproducing device thereof |
| 06/15/2004 | US6751060 Magnetic media with readable topographical features |
| 06/09/2004 | CN1503970A Data read/write systems |
| 06/02/2004 | CN1152311C Optical recorder and optical reproducing device |
| 06/01/2004 | US6744583 Method for forming a magnetic pattern in a magnetic recording medium, a magnetic pattern forming device, a magnetic recording medium and a magnetic recording device |
| 05/19/2004 | EP1420396A2 Optical disk, optical disk unit and optical disk producing method |
| 05/04/2004 | US6731446 Method for forming a magnetic pattern in a magnetic recording medium, method for producing a magnetic recording medium, magnetic pattern forming device, magnetic recording medium and magnetic recording device |
| 04/28/2004 | EP1414034A2 Optical disk, optical recorder, optical reproducer, cryptocommunication system and program license system |
| 04/28/2004 | CN1492423A Information processor |
| 04/28/2004 | CN1492403A Optical disc and its producing method |
| 04/28/2004 | CN1492402A Optical disc, method for producing optical disc and replay device |
| 04/27/2004 | US6728882 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk |
| 04/27/2004 | US6728080 Magnetic head, magnetic recording and reproducing apparatus, method for reproducing and recording magnetic recording information |
| 04/21/2004 | CN1490889A High density data memory media and producing method thereof |
| 04/20/2004 | US6724694 Disk mastering based on near-field optical systems |
| 04/15/2004 | US20040071021 Mechanical data processing |
| 04/08/2004 | US20040065818 High-density data storage medium, method of manufacturing the data storage medium, data storage apparatus, and methods of writing data on, and reading and erasing data from the data storage medium by using the data storage apparatus |
| 03/25/2004 | WO2003075634A3 Asymmetric dot shape for increasing select-unselect margin in mram devices |
| 03/24/2004 | CN1484827A Data storage media |
| 03/18/2004 | WO2004023475A1 Multiplex recording medium, recording/reproducing apparatus, and recording/reproducing method |
| 03/17/2004 | CN1482610A Optical disk and reproducing apparatus |
| 03/16/2004 | CA2390368C Sliding-type magnetic head for magnetooptical recording |
| 03/11/2004 | US20040047080 Recording/reproducing head and recording/reproducing apparatus incorporating the same |
| 02/26/2004 | DE20318446U1 Optical data recording disc such as a compact disc also has analogue data recorded as grooved tracks in the protective lacquer coating |
| 02/25/2004 | CN1478275A Mechanical data processing |
| 02/24/2004 | CA2390398C Sliding-type magnetic head for magnetooptical recording |
| 02/19/2004 | WO2004014786A2 Method for optical induction of a mass transport |
| 02/17/2004 | US6693636 Information transfer system, a transmitter, a receiver and a record carrier for use in the system |
| 02/12/2004 | DE10234012A1 Nanotechnology mass transport method, based on local intensity enhancement of the electromagnetic field (LIEEF), for structuring the surface of an optically active material, e.g. for information storage |
| 02/11/2004 | CN1474396A Content record method and record device |
| 02/11/2004 | CN1474385A Optic disc |
| 02/10/2004 | US6690526 Magnetic head, magnetic recording and reproducing apparatus, method for reproducing and recording magnetic recording information |
| 02/05/2004 | US20040022155 Medium, apparatus, and method related to encryption resultant information |
| 02/03/2004 | US6687210 High-density information storage apparatus using electron emission and methods of writing, reading and erasing information using the same |
| 02/03/2004 | US6687195 Magnetic recording head and magnetic recording device |
| 01/20/2004 | US6680808 Magnetic millipede for ultra high density magnetic storage |
| 01/15/2004 | WO2004006230A1 Lens driving device for optical read and/or write system and optical read/write system |
| 01/13/2004 | CA2390391C Sliding-type magnetic head for magnetooptical recording |
| 01/06/2004 | US6674703 Medium, apparatus, and method related to encryption resultant information |
| 01/06/2004 | US6674594 Read/write head and magnetic recording device |
| 12/31/2003 | WO2003049101A3 Asymmetric run length constraints for increased resolution and power margin in mammos read-out |
| 12/30/2003 | US6671127 Magnetic recording system with single coil for thermally assisted writing |
| 12/24/2003 | WO2003107337A1 Chip on disc record carrier with integrated power supply |
| 12/17/2003 | EP1371062A2 Data read/write systems |
| 12/16/2003 | US6665136 Recording heads using magnetic fields generated locally from high current densities in a thin film wire |
| 12/10/2003 | CN1130695C Magnetic disk and its making method and memory device containing the same |
| 12/04/2003 | WO2003073445A3 Ampere head with perpendicular magnetic field |
| 12/02/2003 | US6657809 Method and apparatus for positioning a transducer using a phase difference in surface profile variations on a storage medium |
| 11/27/2003 | US20030218941 Information recording media, recording method and recording apparatus |
| 11/20/2003 | US20030214742 Magnetic recording apparatus and magnetic recording method |
| 11/18/2003 | US6650598 Magnetic head having magnetoresistance device and recording/reproducing apparatus incorporating the same |
| 11/06/2003 | US20030207154 Magnetic recording medium and magnetic disc drive |
| 10/29/2003 | EP1356463A2 Mechanical data processing |
| 10/29/2003 | EP1356361A2 Data storage media |
| 10/29/2003 | CN1126082C Optical recording medium, reproduction apparatus of optical disk, reproduction method of optical disk, production method of original disk of optical disk and illegal program operation stop method |
| 10/29/2003 | CN1126079C Optical disk marking generating appts. and method, reproducing appts. optical disk and optical disk producing method |