| Patents for G03G 19 - Processes using magnetic patterns; Apparatus therefor (443) |
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| 02/01/1994 | US5283525 Method and device for the volume-selective extraction of a magnetic resonance spectrum by Hartmann-Hahn transfer |
| 12/08/1993 | EP0573096A1 Image-forming device |
| 10/20/1993 | EP0566329A1 Method for forming an image on a magnetic composite medium and apparatus therefor |
| 08/10/1993 | US5234762 Compliant support with mutually adhered web for transfer of information |
| 07/22/1993 | WO1993014446A1 Printing method and apparatus |
| 05/19/1993 | EP0542651A2 Compliant support with mutually adhered web for transfer of information |
| 05/13/1993 | WO1993008984A1 Bistable magneto-optic single crystal films and method of producing same utilizing controlled defect introduction |
| 05/13/1993 | CA2122264A1 Bistable magneto-optic single crystal films and method of producing same utilizing controlled defect introduction |
| 05/11/1993 | US5210546 Method and an apparatus to record with plural gradation for magnetic printing machine |
| 03/23/1993 | US5196882 Magnetic recording color microcapsule and a magnetic recording device using the same |
| 12/29/1992 | US5175582 Magnetic recording color microcapsule and a magnetic recording device using the same |
| 12/02/1992 | EP0516214A1 Volume-selective magnetic resonance imaging method and device |
| 10/21/1992 | EP0509361A2 Magnetic recording apparatus and magnetic recording medium with a film to be vertically magnetized sandwiched with soft magnetic films |
| 10/13/1992 | US5155500 Magnetic recording device using magnetic fluid developing agent |
| 10/13/1992 | US5154944 Magnetically attractable toner powder with low electrical resistance |
| 08/18/1992 | US5140370 Image forming apparatus for forming a master copy |
| 06/16/1992 | US5122815 Magnetic recording device |
| 05/20/1992 | EP0486083A1 Method of and apparatus for developing a latent magnetic image |
| 03/10/1992 | US5094035 Automatic lapping device for magnetic drum of magnetographic printing machine |
| 12/24/1991 | US5075700 Magnetic recording device |
| 04/04/1991 | WO1991004516A1 Process for electrostatographically or magnetographically developing a composite colored image |
| 12/18/1990 | US4978916 Method for magnetically characterizing the recording layer of a magnetic information carrier, and apparatus for performing the method |
| 11/15/1990 | DE3925578C1 Invisible writing unit for temporarily recording information - provides writing surface of magnetisable plate or foil reacting to writing implement with magnet |
| 10/23/1990 | US4965598 Printing apparatus |
| 08/21/1990 | US4950556 Magneto-optic recording medium |
| 05/15/1990 | US4926250 Color image recording and reproducing apparatus utilizing a monochromatic recording medium |
| 05/08/1990 | US4924263 Quality control for magnetic images |
| 05/03/1990 | DE3935884A1 Toner printing station for electrostatic copier - uses conductive and magnetic toner materials in successive image transfer stages |
| 03/07/1990 | EP0357454A2 Electrophotographic process |
| 02/13/1990 | US4901116 Developing apparatus |
| 01/03/1990 | EP0349360A1 Process for magnetically characterizing the registration layer of a magnetic information support |
| 01/02/1990 | US4891657 Apparatus for forming an image |
| 12/14/1989 | WO1989012259A1 Process for developing latent magnetic or electrostatic images |
| 10/31/1989 | US4877341 Device for intermittent application of particles of a powdered developer to the recording surface of a magnetographic printer |
| 09/26/1989 | CA1261913A1 Impactless printer |
| 09/26/1989 | CA1261912A1 Magnetographic printing process and apparatus |
| 09/05/1989 | US4864353 Image recording apparatus |
| 08/22/1989 | US4859550 Smear resistant magnetic image character recognition processes |
| 08/16/1989 | EP0328428A1 Device for intermittently applying particles of a pulverulent toner to the recording medium of a magnetographic printer |
| 05/16/1989 | US4831386 Powdered substance for lubricating the recording carrier or a magnetic printer |
| 05/03/1989 | EP0314424A2 Magneto-optic recording medium |
| 11/17/1988 | EP0291392A1 Pulverulent substance for the lubrification of the recording medium of a magnetic printer |
| 11/15/1988 | US4785317 Double-side printer |
| 08/30/1988 | US4767483 Forming a repetitive magnetic pattern, orientation, bonding |
| 06/07/1988 | US4750004 Magnetic head array |
| 04/26/1988 | US4740797 Thermo-magnetic recording device |
| 03/29/1988 | US4734708 Magnetic recording medium and magnetic recording method |
| 01/26/1988 | US4721661 Selectively removing unwanted magnetic toner from magnetic member to provide uniform high resolution image |
| 12/15/1987 | CA1230368A1 Vertical magnetic brush developing apparatus and method |
| 10/20/1987 | US4701768 Thermo-magnetic recording device |
| 10/20/1987 | US4701767 Magnetic recording head and method for manufacturing |
| 09/02/1987 | EP0234648A1 Magnetic head array |
| 08/25/1987 | US4689282 Method and paper for printing by magnetography and documents printed on paper of this type |
| 08/18/1987 | US4686933 Magnetic recording image developing apparatus |
| 08/12/1987 | EP0232146A2 Improved resolution transfer of magnetic particles |
| 04/28/1987 | CA1221164A1 Method and apparatus for hydrodynamic magnetic recording |
| 04/14/1987 | US4657416 Non-impact printing apparatus |
| 04/08/1987 | EP0217067A2 Self biasing thermal magneto-optic medium |
| 03/31/1987 | US4654289 Method for recording and developing latent images in magnetic printing apparatus |
| 03/10/1987 | US4649519 Self biasing thermal magneto-optic medium |
| 02/24/1987 | US4646108 Method for magnetographic printing, and magnetographic printing machine |
| 01/13/1987 | US4636449 Making electrostatic printing rolls by magnetography |
| 12/30/1986 | US4633351 Method and apparatus for hydrodynamic magnetic recording |
| 12/30/1986 | CA1216064A1 Thermoremanent magnetic imaging method |
| 12/09/1986 | US4628328 Thermomagnetic recording apparatus |
| 11/04/1986 | US4621269 Magnetic recording arrangement for thermographic printing apparatus |
| 09/30/1986 | CA1211996A1 Image resolution |
| 09/23/1986 | US4613874 Magnetic printing |
| 09/23/1986 | US4613554 Magnetic developing powder |
| 09/10/1986 | EP0193691A1 Non-impact printing machine |
| 09/09/1986 | US4610527 Apparatus for developing latent magnetic images |
| 07/29/1986 | US4603336 Transfer mechanism for multiple station imaging/printing apparatus |
| 07/29/1986 | US4602879 Multicolor printer using magnetic and positive and negative electrostatic charging |
| 07/08/1986 | US4599658 Thermo-magnetic recording method |
| 06/10/1986 | CA1205687A1 Method and paper for printing by magnetography and documents printed on paper of this type |
| 05/13/1986 | US4588995 Magnetic recording medium |
| 04/16/1986 | EP0177941A2 Dropout-free magnetic printing plate |
| 02/26/1986 | EP0172767A1 Method and machine for magnetographic copying |
| 02/25/1986 | CA1201155A1 Electrographic recording apparatus |
| 12/17/1985 | CA1198148A1 Electrostatic printing process |
| 12/10/1985 | US4558327 Magnetic copying method and apparatus |
| 12/03/1985 | US4556890 Cleaning apparatus for a magnetographic recording head |
| 11/19/1985 | US4554557 Thermomagnetic printer |
| 10/29/1985 | US4550068 Applying magnetically attractable developer particles to a latent image |
| 10/15/1985 | US4547782 Magnetic printer |
| 10/01/1985 | US4544574 Method of manufacturing a magnetic recording medium |
| 10/01/1985 | US4544421 Multi-directional field annealing of a thin-film electromagnetic read/write head |
| 09/24/1985 | US4543586 Magnetizing apparatus for a magnetographic printer |
| 09/18/1985 | EP0154738A1 Media heat curing method |
| 09/18/1985 | EP0154736A2 Divisible multiple-head magnetic recording array |
| 09/03/1985 | US4539280 Method for creating magnetic toner images having controlled toner distribution |
| 09/03/1985 | US4538321 Apparatus for removing excess developer particles on the surface of a recording element |
| 08/21/1985 | EP0151860A2 Magnetic recording apparatus |
| 08/20/1985 | US4536773 Magnetic recording apparatus with adjustable line density |
| 08/07/1985 | EP0150808A1 Vertical magnetic brush developing apparatus and method |
| 07/23/1985 | US4531137 Thermoremanent magnetic imaging method |
| 07/16/1985 | CA1190592A1 Magnetic imaging method and apparatus |
| 07/03/1985 | EP0147003A1 Thin-film magnetic read/write head with multiple-layer coil |
| 07/02/1985 | CA1189969A1 Differential-permeability field-concentrating magnetic writing head |
| 06/25/1985 | US4525723 Magnetic recording head |