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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7427129 | Boronic acid containing dyes to improve permanence of images A printing system including a boronic acid dye and a coated print medium. The boronic acid dye comprises a boric acid group or a boronic acid group attached to the dye. The boronic acid dye covalently binds to a polyhydroxylated material present in a coating layer o... | 09/23/2008 |
| 7396575 | Molding die apparatus, method for disc substrate, and disc-shaped recording medium Preventing a molded disc substrate from generating a separation pattern. To this end, a molding die 1 includes a pair of stationary die 6 and movable die 7, and an outer circumference ring 16 for molding an outer circumference end of the ... | 07/08/2008 |
| RE40330 | Optical recording medium, reproducing system, method of reproducing optical disk, method of fabricating optical disk original record, and method of stopping illegal program operation The present invention provides an optical disk 9 with a duplication preventing function, reproducing system 47 for the optical disk 9, optical disk reproducing method, method of fabricating an optical disk original record, and illegal program op... | 05/20/2008 |
| 7351460 | Information recording medium, information recording device, and information recording method An information recording medium includes an insulating member, first and second electrodes formed in one plane of the insulating member, and a conductive layer having an electrochromic material providing continuity with the first and second electrodes. A gap between... | 04/01/2008 |
| 7352529 | Magnetic recording medium and magnetic recording and reproducing device using a magnetic recording layer formed with a predetermined concavo-convex pattern A magnetic recording medium including at least a disk substrate 1A, a magnetic recording layer 5 formed with a predetermined concavo-convex pattern on the disk substrate 1A, and a non-magnetic layer 6 filled into concave portions of the c... | 04/01/2008 |
| 7336590 | Dielectric reproducing apparatus, dielectric recording apparatus, and dielectric recording/reproducing apparatus A dielectric reproducing apparatus is provided with: a probe for applying an electric field to a dielectric material of a dielectric recording medium; a return electrode for returning the electric field applied from the probe; an inductor placed between the probe an... | 02/26/2008 |
| 7314907 | Purified polymeric materials and methods of purifying polymeric materials A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced levels of particulate impurities.... | 01/01/2008 |
| 7314658 | Storage medium for data This disclosure relates to a data storage medium, and in particular to a data storage medium comprising at least one high modulus layer. In one embodiment, an asymmetric optical storage medium can comprise: a substrate layer comprising polyarylene ether, a high modu... | 01/01/2008 |
| 7306743 | Recording medium, method of manufacturing recording medium and recording apparatus A recording medium includes a substrate, and a recording layer formed on the substrate having (a) a recording track band, and (b) recording cells regularly arrayed in the recording track band to form a plurality rows of sub-tracks. The recording cells included in ea... | 12/11/2007 |
| 7299535 | Methods for making data storage media and the resultant media Methods for forming data storage media and the media formed thereby are disclosed herein. In one embodiment, the method for forming a data storage media, comprises: injection molding a substrate comprising surface features, wherein said surface features have greater... | 11/27/2007 |
| 7248715 | Digitally watermarking physical media A digital watermark is embedded through varying pit locations on a data side of a CD, SACD or DVD. In one embodiment, a pattern of pits or data indentations forms a visual design on the data side. A watermark is embedded by slightly varying various pit locations wit... | 07/24/2007 |
| 7244813 | Methods of purifying polymeric material A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a polymeric material having reduced levels of particulate impurities. The polymer... | 07/17/2007 |
| 7230795 | Recording medium having reduced surface roughness Provided are a manufacturing method for a magnetic recording medium enabling efficient and reliable manufacturing of a magnetic recording medium with minimal surface roughness and good precision in recording and reading information, and a magnetic recording medium w... | 06/12/2007 |
| 7229679 | Optical disk and method for manufacturing the same A first substrate is formed to include a surface on which a first record layer is formed, and which includes an inner circumferential portion on which a ring-shaped member is provided. Ultraviolet curing resin is dropped onto part of the surface which is located inw... | 06/12/2007 |
| 7229746 | Printed high strength permanent magnet targets for magnetic sensors A process for forming magnetic target tracks for position and speed sensors. The tracks are formed from a paste comprising a magnetic powder material and a hardenable carrier. The tracks can be formed within trenches in a substrate or on the substrate surface. ... | 06/12/2007 |
| 7212489 | Optical disc and method of protecting same An optical disc for storage and retrieval of digital data, and a system and method for protecting the optical disc is disclosed. The optical disc has projections or embossments on one or both surfaces. When the optical disc is placed on a substantially flat surface ... | 05/01/2007 |
| 7206987 | Error detection and correction in a layered, 3-dimensional storage architecture A method and system for space-efficient error-control coding for encoding data into a 3-dimensional data-storage medium. The method and system enables the detection and correction of a bounded number of certain types of errors corresponding to the known failure mode... | 04/17/2007 |
| 7198700 | Thin film formation use sputtering target material, thin film formed using same, and optical recording medium An alloy material, a thin film and an optical recording medium to achieve various tasks such as maintenance of a high reflectivity, improved corrosion resistance, simplified production of the alloy, and realization of stability and simplicity/easiness of a sputterin... | 04/03/2007 |
| 7192898 | Glass composition and glass substrate A glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device, and a glass composition for making such a glass substrate, contains the following glass ing... | 03/20/2007 |
| 7189583 | Method for production of MRAM elements Magneto-resistive random access memory elements include a ferromagnetic layer having uniaxial anisotropy provided by elongate structures formed in the ferromagnetic film. The magnetic dipole aligns with the long axis of each structure. The structures can be formed i... | 03/13/2007 |
| 7182990 | Optical information recording medium An optical information recording medium which makes it possible to reduce the noise level and improve the C/N ratio. An optical information recording medium has a recording layer formed on a substrate, for having a laser beam irradiated thereto for recording and rep... | 02/27/2007 |
| 7175877 | Film, optical memory material with the film, and method for producing the film Disclosed is a film comprising PMMA and a fluorescent substance having a xanthene skeleton and a lactone ring and/or a fluorescent substance having a xanthene skeleton and a group —COOR, where R represents a hydrogen atom or a substituent, capable of forming an in... | 02/13/2007 |
| 7160597 | Optical information recording medium An optical information recording medium which makes it possible to reduce the noise level and improve the C/N ratio and store record data for a long time period. An optical information recording medium has a recording layer formed on a substrate, for having a laser ... | 01/09/2007 |
| 7157128 | Optical information recording medium An optical information recording medium which is capable of performing high-density recording of record data, and storing the recorded data for a long time period such that the recorded data can be normally reproduced during the long time period. An optical informat... | 01/02/2007 |
| 7147790 | Perpendicular magnetic discrete track recording disk A method of forming a discrete track recording pattern on a soft magnetic underlayer of a perpendicular magnetic recording disk. In one embodiment, the soft magnetic underlayer is continuous throughout the discrete track recording pattern. ... | 12/12/2006 |
| 7149180 | Apparatus for recording information in and/or reproducing information from a ferroelectric recording medium A dielectric recording medium in a disc form is provided with: a center hole; an inner area; a recording area; and an outer area, arranged concentrically from the inside in this order. The inner area, the recording area, and the outer area contain a uniform and flat... | 12/12/2006 |
| 7147906 | Data storage medium comprising polyimides In one aspect the present invention provides a storage medium for data, the storage medium comprising: a) a substrate, a physical portion of which comprises at least one polyimide, and b) at least one data layer on the substrate. The substrate comprising a polyimide... | 12/12/2006 |
| RE39412 | Optical information medium, and method and apparatus for fabricating the same The disk-shaped optical information medium of this invention includes: a first substrate having a center hole; a second substrate having a center hole; and a radiation curable resin interposed between the first and second substrates for bonding together the first an... | 11/28/2006 |
| 7125593 | Optical recording medium An optical recording medium including a substrate and a light transmitting layer provided on the substrate so as to have a smaller thickness than that of the substrate, which is hardly warped and excellent in electrical characteristics and productivity, is provided.... | 10/24/2006 |
| 7115208 | Method of manufacturing recording medium A recording medium includes a substrate, and a recording layer formed on the substrate having (a) a recording track band, and (b) recording cells regularly arrayed in the recording track band to form a plurality rows of sub-tracks. The recording cells included in ea... | 10/03/2006 |
| 7101593 | Method for producing a disk-shaped substrate and method for producing an optical disk A method for producing a disk-shaped substrate 10 used for producing an optical disk includes: (a) forming a protective layer 12a that is larger in area than the disk-shaped substrate 10 on a surface of a transparent plate 11a | 09/05/2006 |
| 7067207 | Magnetic recording medium having a patterned soft magnetic layer A magnetic recording medium includes a non-magnetic substrate; a soft magnetic layer which is formed on the non-magnetic substrate and which includes projected parts arranged on the surface thereof and recessed parts surrounding each of the projected part; and a fer... | 06/27/2006 |
| 7051348 | Optical information recording medium including a substrate, a recording layer, a layer of acrylic adhesive, and a cover layer The invention provides an optical information recording medium, for use with a laser irradiating a laser beam having a wavelength of 380 to 500 nm through an objective lens with a numerical aperture of at least 0.7, the optical information recording medium comprisin... | 05/23/2006 |
| 7018697 | Optical recording medium An optical recording medium including a substrate and a light transmitting layer provided on the substrate so as to have a smaller thickness than that of the substrate, which is hardly warped and excellent in electrical characteristics and productivity, is provided.... | 03/28/2006 |
| 7009930 | Optical information recording medium, method of recording and reproducing, and optical recording and reproducing system At least one information layer including a recording layer contains a material that can exhibit a transition between two optically different states in response to irradiation with a laser beam as a main component is provided on a substrate, and the material is confi... | 03/07/2006 |
| 7008681 | Optical information recording medium and manufacturing method and recording/reproducing method for the same An optical information recording medium of the present invention includes at least one information layer. The information layer includes a first protective film, a first interface film, a recording film having the optical characteristics that are changed reversibly ... | 03/07/2006 |
| RE38979 | Optical information recording medium and composition for optical information recording film An optical information recording medium is here disclosed which comprises a transparent substrate, a recording layer comprising an organic dyestuff on which information can be written by a laser beam, a reflective layer and a protective layer formed in this order on... | 02/14/2006 |
| 6984434 | Recordable digital video disc A recordable digital video disc preferably employable for information recording method using a laser beam having a wavelength of 600–700 nm, composed of a transparent disc substrate provided with a spiral pregroove, a recording dye layer placed in the pregroove, a... | 01/10/2006 |
| 6982127 | Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting lay... | 01/03/2006 |
| 6977100 | Ink-jet recording material suitable for pigment ink An ink-jet recording material having on a support at least one ink-receiving layer comprising pigment and binder, which further contains in the uppermost layer of the ink-receiving layers at least one water-soluble acidic or neutral salt selected from the group cons... | 12/20/2005 |
