"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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 |
| 6028824 | Magnetooptical recording medium allowing overwriting with two or more magnetic layers A magnetooptical recording medium provided with a first magnetic layer and a second magnetic layer having a higher Curie point and a lower coercive force than the first magnetic layer and being exchange coupled with the first magnetic layer satisfies the ... | 02/22/2000 |
| 5994698 | Microprobe, preparation thereof and electronic device by use of said microprobe A microprobe is provided which comprises a single crystal provided on a part of one main surface of a substrate or a part of a thin film formed on one main surface of the substrate. The microprobe may have a single crystal having an apex portion surrounde... | 11/30/1999 |
| 5783300 | Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same A magnetooptical recording medium provided with a first magnetic layer and a second magnetic layer having a higher Curie point and a lower coercive force than the first magnetic layer and being exchange coupled with the first magnetic layer satisfies the ... | 07/21/1998 |
| 5721721 | Two scanning probes information recording/reproducing system with one probe to detect atomic reference location on a recording medium An encoder includes an electrically conductive reference scale having surface steps formed at predetermined positions; an electrically conductive probe having a tip disposed opposed to the reference scale; wherein the reference scale and the probe are rel... | 02/24/1998 |
| 5623476 | Recording device and reproduction device A recording device, comprising a probe electrode, a recording medium having electric memory effect and a writing voltage applying unit for applying voltage onto the recording medium from the probe electrode, and a reproducing device comprising a probe ele... | 04/22/1997 |
| 5525378 | Method for producing a magnetooptical recording medium A magnetooptical recording medium provided with a first magnetic layer and a second magnetic layer having a higher Curie point and a lower coercive force than the first magnetic layer and being exchange coupled with the first magnetic layer satisfies the ... | 06/11/1996 |
| 5519686 | Encoder for controlling measurements in the range of a few angstroms An encoder includes an electrically conductive reference scale having surface steps formed at predetermined positions; an electrically conductive probe having a tip disposed opposed to the reference scale; wherein the reference scale and the probe are rel... | 05/21/1996 |
| 5482002 | Microprobe, preparation thereof and electronic device by use of said microprobe A microprobe is provided which comprises a single crystal provided on a part of one main surface of a substrate or a part of a thin film formed on one main surface of the substrate. The microprobe may have a single crystal having an apex portion surrounde... | 01/09/1996 |
| 5481410 | Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same A magnetooptical recording medium is provided with a transparent substrate, a first magnetic layer, a second magnetic layer having a higher Curie point and a lower coercive force than those of the first magnetic layer and being exchange coupled with the f... | 01/02/1996 |
| 5396483 | Recording medium having a track and electrode layer provided and recording and reproducing device and system using same A recording medium is prepared by irradiating an electron beam on a substrate following a certain pattern, then vapor depositing a metal onto the substrate to form a track comprising ultra-fine particles of the metal, further providing a metal layer on th... | 03/07/1995 |
| 5274475 | Information transfer method, information transfer apparatus, and its driving method An information transfer method comprises connecting a plurality of MIM devices comprising a monomolecular film of an organic compound or built-up films thereof as the insulating layer and having the switching memory function, and transferring the informat... | 12/28/1993 |
| 5270965 | Method of driving device having metal-insulator-metal(mim)structure A method of driving a device having a pair of electrodes and organic insulating layer sandwiched therebetween. The device exhibits at least three states of different electroconductivities in response to an applied voltage. A transition from the first stat... | 12/14/1993 |
| 5264876 | Recording medium, method for preparing the same, recording and reproducing device, and recording, reproducing and erasing method by use of such recording medium The present invention provides a recording medium comprising a recording layer on an electrode substrate and one or a plural number of fine lone electrode made of an electroconductive material provided on said recording layer.... | 11/23/1993 |
| 5255258 | Microprobe, preparation thereof and electronic device by use of said microprobe A microprobe is provided which comprises a single crystal provided on a part of one main surface of a substrate or a part of a thin film formed on one main surface of the substrate. The microprobe may have a single crystal having an apex portion surrounde... | 10/19/1993 |
| 5248584 | Optical card and method for reading information recorded in it An optical card comprises a transparent substrate having a track groove on its surface, an optical recording layer provided on said track groove, and an opaque card substrate provided in such a manner that it may be contiguous to said optical recording la... | 09/28/1993 |
| 5220555 | Scanning tunnel-current-detecting device and method for detecting tunnel current and scanning tunnelling microscope and recording/reproducing device using thereof A scanning tunnel-current-detecting device comprising at least two probe electrodes supported by a supporting member, a means for placing a sample in proximity to the probe electrodes, a means for applying voltage between the probe electrodes and the samp... | 06/15/1993 |
| 5206665 | Recording medium, method for preparing the same, recording and reproducing device, and recording, reproducing and erasing method by use of such recording medium The present invention provides a recording medium comprising a recording layer on an electrode substrate and one or a plural number of fine lone electrode made of an electroconductive material provided on said recording layer.... | 04/27/1993 |
| 5170238 | Switching element with organic insulative region A switching element is disclosed which comprises an element comprising two electrodes and an organic insulative region interposed between said two electrodes. The element has a memory property and is capable of being switched between different resistance ... | 12/08/1992 |
| 5136212 | Electron emitting device, electron generator employing said electron emitting device, and method for driving said generator An electron emitting device, comprising: a first electrode provided on a substrate; a first layer provided on said electrode and capable of undergoing transition from an electrically high resistance state to a low resistance state when irradiated by a rad... | 08/04/1992 |
| 5132945 | Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same A magnetooptical recording medium provided with a first magnetic layer and a second magnetic layer having a higher Curie point and a lower coercive force than the first magnetic layer and being exchange coupled with the first magnetic layer satisfies the ... | 07/21/1992 |
| 5107112 | Scanning tunnel-current-detecting device and method for detecting tunnel current and scanning tunnelling microscope and recording/reproducing device using thereof A scanning tunnel-current-detecting device comprising at least two probe electrodes supported by a supporting member, a means for placing a sample in proximity to the probe electrodes, a means for applying voltage between the probe electrodes and the samp... | 04/21/1992 |
| 5075738 | Switching device and method of preparing it A switching device comprises a pair of electrodes, an organic insulating layer and an inorganic oxide layer which are held between the electrodes. The organic insulating layer is comprised of an organic compound having at least one π-electron level and t... | 12/24/1991 |
| 5072116 | Microprobe preparation thereof and electronic device by use of said microprobe A microprobe is constituted by a single crystal having an apex portion surrounded by facets having specific place directions and having specific crystal faces. The microprobe is provided on a part of a main surface of a substrate or a part of a thin film ... | 12/10/1991 |
| 5046822 | Liquid crystal device The present invention provides a liquid crystal material disposed between said pair of substrates, wherein at least one of said substrates is provided with a film comprising a polyimide compound having in its polyimide main-chain structural unit at least ... | 09/10/1991 |
| 5020881 | Light modulating device with optical switching unit of laminated insulating and conductive layers A light modulating device having a signal input unit for generating an optical signal, an optical switching unit using an alternately-laminated structure consisting of insulating layers sandwiching a conductive or semiconductive layer, and a display mediu... | 06/04/1991 |
| 4974200 | Method of transferring Bloch lines in the domain wall of a magnetic domain, and a magnetic memory using the method A method of transferring Bloch lines present in a domain wall of a magnetic domain formed in a thin magnetic firm, includes cyclically forming asymmetrical potential wells along the domain wall in order to locate the Bloch lines at predetermined positions... | 11/27/1990 |