Inventor
NISHIHARA TOSHIKAZU
JP12 patents
Patents
12 patentsUS4776938AOct 11, 1988
Method of producing magnetic disc
VICTOR COMPANY OF JAPAN27 citations92
US4664976AMay 12, 1987
Magnetic recording medium comprising a protective carbon nitride layer on the surface thereof
VICTOR COMPANY OF JAPAN23 citations82
US5316631AMay 31, 1994
Method for fabricating a magnetic recording medium
VICTOR COMPANY OF JAPAN15 citations73
US4808489AFeb 28, 1989
Method of producing magnetic disc
VICTOR COMPANY OF JAPAN5 citations73
US4711810ADec 8, 1987
Magnetic medium for horizontal magnetization recording and method for making same
VICTOR COMPANY OF JAPAN8 citations73
US4680218AJul 14, 1987
Magnetic recording medium
VICTOR COMPANY OF JAPAN8 citations73
US4167582ASep 11, 1979
Magnetic metallic powder containing iron and magnetic recording medium using same powder
VICTOR COMPANY OF JAPAN14 citations71
US4315052AFeb 9, 1982
Magnetic recording medium
VICTOR COMPANY OF JAPAN9 citations68
US4753852AJun 28, 1988
Magnetic recording medium comprising a magnetic Co-Ni-Cr alloy thin layer
VICTOR COMPANY OF JAPAN3 citations62
US4743348AMay 10, 1988
Magnetic medium for horizontal magnetization recording and method for making same
VICTOR COMPANY OF JAPAN4 citations62
US4626480ADec 2, 1986
Magnetic recording medium comprising a vacuum-deposited magnetic film of a magnetic material and a tungsten oxide and method for making the same
VICTOR COMPANY OF JAPAN4 citations62
US4317675AMar 2, 1982
Magnetic iron powder containing molybdenum
VICTOR COMPANY OF JAPAN5 citations60