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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Yabe; Masao
Address:
Shizuoka, JP
No. of patents:
11
Patents:












Patent Number Title Of Patent Date Issued
5409797 Heat-sensitive recording material for laser recording April 25, 1995
A heat-sensitive recording material for laser recording is provided including a support having thereon a heat-sensitive layer including at least a first substantially colorless coloring component, a second substantially colorless coloring component which reacts with the first substan
5227495 Cyanine compound having a hetero ring containing an imidazole nucleus fused to a naphthoquinone July 13, 1993
A cyanine compound of the following formula: ##STR1## wherein T.sup.1 and T.sup.2 each independently represents an atomic group which is necessary for forming a condensed benzene ring; L.sup.3 represents a methine group or a trivalent connecting group formed by conjugated double
5075147 Method for optically recording information and information recorded medium December 24, 1991
A method of optically recording information on an information recording medium comprising a disc-shaped substrate having a pregroove comprising a groove having a depth of 800 to 2,000 angstroms and a half width of 0.2 to 0.7 .mu.m thereon, a recording layer comprising a dye for optically
4983505 Optical recording medium January 8, 1991
An optical recording medium comprising at least one recording layer on a substrate and a protective layer overlying the recording layer, the protective layer comprising a UV cured resin composition containing a urethane acrylate, N-vinylpyrolidone, a trifunctional or higher functional
4944967 Process for the preparation of information recording medium July 31, 1990
A process for the preparation of an information recording medium comprising a substrate and a recording layer for writing and/or reading information by means of a laser beam which is provided on the substrate, wherein said recording layer is formed on the substrate by coating a solution
4821050 Optical information recording medium April 11, 1989
An optical information recording medium of two disc substrates, which are adhered directly or through a convex portion formed on at least one of the substrates or a spacer provided between the substrates by an adhesive layer, and a recording layer which is capable of recording and/or rea
4686543 Information recording medium August 11, 1987
An optical information recording medium is described, comprising two disc substrates, which are adhered directly or through a convex portion formed on at least one of the substrates or a spacer provided between the substrates by an adhesive layer, and a recording layer which is capable o
4663276 Glass based laser recording material with intermediate layer May 5, 1987
A laser recording material is described, comprising a transparent glass base and a recording layer capable of writing and/or reading information by means of a laser, wherein said glass base has an undercoating layer between the glass base and the recording layer, comprising a carboxyl
4616238 Information recording medium of air-sandwich structure October 7, 1986
In an information recording medium having an air-sandwich structure comprising two disc-shaped substrates opposed to each other at a given space by interposing therebetween a ring-shaped inner spacer and a ring-shaped outer spacer and a recording layer for writing and/or reading info
4557948 Process for producing magnetic recording materials December 10, 1985
A process for producing a magnetic recording material comprising a support having a thin metal film layer provided thereon is described, the process comprising the steps of (1) coating a thin magnetic metal film having a water contact angle of at least 25.degree. with a polymer solution
4499043 Process for producing a cellulose ester support February 12, 1985
A process for producing a cellulose ester support is described which comprises producing said support from an organic solvent solution of a cellulose ester containing 30 ppm or less alkaline earth metal.










 
 
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