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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 |
| 8137894 | Storage medium, reproducing method, and recording method According to an embodiment, a storage medium includes a transparent resin substrate having a concentric or spiral groove and a recording film formed on the groove on the transparent resin substrate, a recording mark being formed by irradiation of a laser beam, where... | 03/20/2012 |
| 7989139 | Azo-metal chelate dye and optical recording medium The azo-metal chelate dye to which the present invention is applied is a compound formed as follows: for example, 1,3,4-thiadiazole ring is selected as the diazo component; the diazo component is combined with a coupler component having condensed rings including a f... | 08/02/2011 |
| 7642036 | Azo-metal chelate dye and optical recording medium The azo-metal chelate dye to which the present invention is applied is a compound formed as follows: for example, 1,3,4-thiadiazole ring is selected as the diazo component; the diazo component is combined with a coupler component having condensed rings including a f... | 01/05/2010 |
| 7537881 | Optical information recording medium An optical information recording medium containing a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains a dye represented by the following general formula (I): | 05/26/2009 |
| 7507524 | Azo-metal chelate dye and optical recording medium The azo-metal chelate dye of the present invention is formed, for example, from zinc (divalent) as a center metal ion and an azo compound bonded with a coupler component having an amino group and a fluorine-substituted alkylsulfonylamino group subjected to condensed... | 03/24/2009 |
| 7449279 | Optical information recording medium An optical information recording medium including a substrate in which at least one of a groove and a pit is formed; a recording layer located overlying the substrate and including a dye; and a reflection layer located overlying the recording layer, wherein the opti... | 11/11/2008 |
| 7439008 | Optical recording medium, and, method and apparatus for optical recording and reproducing using optical recording medium The object of the present invention is to provide an optical recording medium in which a recording material of the optical recording medium has a high solubility in an organic solvent, so that the recording material can be shaped to film by a coating process and the... | 10/21/2008 |
| 7435362 | Redox-switchable materials The invention relates to redox-switchable material comprising a redox-active moiety adsorbed, bonded or both, to a semiconductor material. Among the preferred redox-active moieties disclosed herein are ferrocenes, acridines, and quinones though any such moiety may b... | 10/14/2008 |
| 7405030 | Imide compound and optical recording media made by using the same An optical recording medium containing one or more compounds selected from imide compounds having a metallocene residue in a recording layer and an imide compound represented by a general formula (1): wherein a ring AR repr... | 07/29/2008 |
| 7384723 | Optical information recording medium An optical information recording medium including a substrate having successively disposed thereon a recording layer, an interlayer, a pressure sensitive adhesive layer and a cover film in which information is recordable and reproducible by irradiating laser light a... | 06/10/2008 |
| 7378220 | Optical information recording method and medium An optical information recording medium includes a substrate having disposed thereon a recording layer that is recordable by irradiating the recording layer with a laser having a wavelength of 450 nm or less. The recording layer contains a specific phthalocyanine de... | 05/27/2008 |
| 7378221 | Metallocenyl phthalocyanines as optical recording media Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric metallocenyl phthalocyanines, proc... | 05/27/2008 |
| 7361449 | Specific dye compound, optical information recording medium comprising specific dye, and information recording method using this optical information recording medium The present invention provides an optical information recording medium comprising a substrate having disposed thereon a recording layer, wherein the recording layer includes a recording dye represented by the following formula (I) or (II): | 04/22/2008 |
| 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 |
| 7341820 | Optical information recording medium The present invention is an optical information recording medium comprising a substrate having disposed in an order thereon a recording layer, an interlayer, and a cover layer, wherein recording and reproduction are carried out by the irradiation with a laser light ... | 03/11/2008 |
| 7332261 | Phthalocyanine compound, process for preparing the same, and optical recording medium containing the same A phthalocyanine compound represented by the following general formula (I) and the mixture thereof, and an optical recording medium containing the compound/mixture in its recording layer. wherein in formula (I), ... | 02/19/2008 |
| 7314511 | Metaloxyphthalocyanine compounds A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds ... | 01/01/2008 |
| 7305690 | Optical information recording medium A disk-shaped optical information recording medium comprising a recording layer, a pressure sensitive adhesive layer or an adhesive layer, and a cover sheet in this order on a substrate, and having a central hole, a track pitch of 300 to 600 nm and a groove depth of... | 12/04/2007 |
| 7276600 | Phthalocyanine derivatives and their applications in optical recording media An optical recording medium is disclosed, which is composed of a substrate, a recording layer comprising an organic dye upon which information can be recorded by a laser beam, a reflective layer and a protective layer formed in such order; whereas the aforementioned... | 10/02/2007 |
| 7259260 | Imide compound and optical recording media made by using the same An optical recording medium containing one or more compounds selected from imide compounds having a metallocene residue in a recording layer and an imide compound represented by a general formula (1): wherein a r... | 08/21/2007 |
| 7247417 | Optical recording medium and optical recording/reproducing method The present invention provides an optical recording medium that includes a recording layer composed mainly of an organic compound and can utilize blue-violet semiconductor laser light (390 to 420 nm in wavelength) as recording/reproducing laser light. The present in... | 07/24/2007 |
| 7223521 | Squarylium-metal chelate compounds and optical recording media Squarylium-metal chelate compounds as recording materials for optical recording media, and optical recording media using these compounds, which have excellent recording properties, light resistance and storage stability. The squarylium-metal chelate compound is repr... | 05/29/2007 |
| 7153956 | Cyanine dye having multifunctional peripheral groups The present invention provides an IR-absorbing dye of formula (I) or (II) wherein R10, R13, R20, R23, R30, R33, R40 and R | 12/26/2006 |
| 7144677 | Optical recording method and optical recording medium This invention provides a recording method for an optical recording medium having superior high-speed recording, and a playable optical recording medium in which data pits are formed by this recording method. For this purpose, recording materials having special ther... | 12/05/2006 |
| 7138391 | Hydrophilizable and hydrophilic cyanine dyes The present invention provides an IR-absorbing dye of formula (I) or (II): wherein Q1, Q2, Q3 and Q4 are the same or different and are independently select... | 11/21/2006 |
| 7133331 | Recording medium having a substrate containing microscopic pattern of parallel groove and land sections and recording/reproducing equipment therefor An information recording medium 1 at least comprises a substrate 13 having a microscopic pattern 20, which is constituted by a shape of continuous substance of approximately parallel grooves formed with a groove section G and a land section L al... | 11/07/2006 |
| 7129019 | Optical information recording medium The present invention provides an optical information recording medium that includes a substrate including a groove with a track pitch of 200 to 400 nm and a groove depth of 20 to 150 nm and having successively disposed thereon a light reflecting layer, a recording ... | 10/31/2006 |
| 7101655 | Method for increasing fluorescent signal of optical disks with fluorescent reading and resultant discs A fluorescent composition for use with single-layer and multilayer optical discs for CD ROM, DVD and WORM type devices with fluorescent reading is disclosed. The composition comprises a fluorescent dye, film-forming polymer, plasticizer, surfactant and light stabili... | 09/05/2006 |
| 7097700 | Water-soluble complex dye, recording fluid and recording method A water-soluble complex dye capable of forming an image having light resistance, ozone resistance and high saturation; a water-based recording fluid, particularly an ink jet recording fluid, employing such a dye; and an ink jet recording method, are presented. ... | 08/29/2006 |
| 7094280 | Water-soluble complex dye, recording fluid and recording method A water-soluble complex dye capable of forming an image having light resistance, ozone resistance and high saturation; a water-based recording fluid, particularly an ink jet recording fluid, employing such a dye; and an ink jet recording method, are presented. ... | 08/22/2006 |
| 7094517 | Recording layer with organic dye-in-polymer (DIP) medium for write-once-read-many (WORM) optical discs with fluorescent reading High sensitive organic dye-in-polymer (DIP) medium for write-once-read-many (WORM) optical discs with fluorescent reading. The medium consists of a fluorescent color means, capable of absorbing writing radiation produced by a laser, a compound capable of generating ... | 08/22/2006 |
| 7078149 | Optical recording medium and method for making the same A method for fabricating an optical recording medium is provided. A dye layer is formed on a molded substrate by spin-coating. A reflection layer is formed on the dye layer by sputtering so that the optical disc has enough reflection rate. The dye layer comprises a ... | 07/18/2006 |
| 7029526 | Process for making green pigment compositions useful for color filters and LCD's The invention pertains to the field of green color filters and LCDs. It has been found that pigments with surprisingly improved coloristic, chemical and physical properties are obtained by salt-kneading a halogenated phthalocyanine pigment together with a yellow pig... | 04/18/2006 |
| 7025815 | Water-soluble complex dye, recording fluid and recording method A water-soluble complex dye capable of forming an image having light resistance, ozone resistance and high saturation; a water-based recording fluid, particularly an ink jet recording fluid, employing such a dye; an ink set employing such a recording fluid; and an i... | 04/11/2006 |
| 7022393 | Optical recording medium An optical recording medium can be recorded at a high linear velocity of at least 10 m/s while maintaining an excellent light stability and favorable reflectance. A recording medium is constructed of a recording layer on a substrate, the recording layer including a ... | 04/04/2006 |
| 7011875 | Optical information-recording medium and dye The present invention provides an optical information-recording medium capable of recording and reproducing information with laser beams and having excellent recording characteristics, the optical information-recording medium comprising a support and a recording lay... | 03/14/2006 |
| 7005519 | Tetraazaporphyrin compounds This invention relates to a method of preparing a compound of formula (I): The method includes reacting one or more compounds of formula (II): in the presence of a base and... | 02/28/2006 |
| 6994947 | Photochemical hole burning media A photochemical hole burning medium is composed of a material in which a rare earth complex and a reducing agent is dispersed in a solid matrix. The rare earth complex may be at least one complex selected from the group consisting of a europium (III) crown ether com... | 02/07/2006 |
| 6984734 | Cyclo[n]pyrroles and methods thereto The present invention provides an oxidative coupling procedure that allows efficient synthesis of novel cyclo[n]pyrrole macrocycles. Therefore, the present invention provides cyclo[n]pyrroles where n is 6, 7, 8, 9, 10, 11, or 12, and derivatives, multimers, isomers,... | 01/10/2006 |
| 6969764 | Optical recording medium and novel azaporphyrin compounds An optical recording medium having a recording layer which contains at least one compound selected from the group consisting of mono-, di-, and triazaporphyrin compounds optionally in the form of a metal complex; or an optical recording medium comprising a substrate... | 11/29/2005 |
