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Sueoka; Masanori
Otsu, JP
No. of patents:

Patent Number Title Of Patent Date Issued
RE40039 Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium pro January 29, 2008
The present invention provides aromatic polyamide resin moldings comprising at least one surface that is 1.0 nm or more in root-mean-square roughness and is 80 nm or less in 10-point average roughness, both of the roughness being as determined by atomic force microscopy, and that is
7866487 Aromatic polyamide porous film, process for producing the same and secondary battery January 11, 2011
The problem addressed by this invention is to provide an aromatic polyamide porous film excellent in the capability of being thinned and capable of easily exhibiting stable porosity properties even if it is used for a long period of time at high temperature. This invention can be ach
7531252 Film and magnetic-recording medium using the same May 12, 2009
A film and a magnetic-recording medium using the film, where the heat shrinkage ratio in the transverse direction of the film subjected to heat treatment under no tension for 30 min. at C. is from 1.0 to 2.5%, and where the film satisfies the following equations (1)-(4) s
6468628 Magnetic recording medium October 22, 2002
Disclosed is a magnetic recording medium having a magnetic layer directly formed on at least one surface of a base film that comprises, as the essential ingredient, an aromatic polyamide, in which the number of protrusions having a height of at least 10 nm on the surface of the magne

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