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Miura; Hiroshi
Miyagi, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6641890 Cartridge-contained recording medium November 4, 2003
In a magneto-optical disc contained in a cartridge, a first dielectric layer, signal recording layer, second dielectric layer, and light reflecting layer are sequentially stacked on a substrate having formed grooves, and a first protective layer, print layer using at least one color
6319623 Magneto-optical recording medium November 20, 2001
A magneto-optical recording medium is disclosed with which magneto-optical recording is performed by a magnetic-field modulation method and which enables stable recording characteristics to be realized even if the intensity of the recording magnetic field is somewhat changed. When a
5895707 Magnetic recording medium April 20, 1999
A magnetic recording medium providing excellent electromagnetic conversion characteristics and durability in a still playback mode. The magnetic recording medium comprises a non-magnetic substrate and a multi-layer film formed on said non-magnetic substrate, the multi-layer film comprisi
5066539 Magnetic recording medium wherein the magnetic layer contains components having specified polar November 19, 1991
A magnetic recording medium improved in electromagnetic conversion characteristics and runnability is disclosed. The magnetic recording medium is formed by coating a non-magnetic substrate with a magnetic layer. The magnetic layer contains a fine ferromagnetic powder having a specifi

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