Inventor
MURAI MIKIO
JP23 patents
Patents
23 patentsUS5540957AJul 30, 1996
Method of manufacturing a magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD123 citations99
US5637393AJun 10, 1997
Magnetic recording medium and its manufacturing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD63 citations96
US5182132AJan 26, 1993
Magnetic recording medium and method for making it
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations96
US4425404AJan 10, 1984
Magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD133 citations96
US5776602AJul 7, 1998
Magnetic recording medium having a carbon protective film containing nitrogen and oxygen and overcoated with a lubricant
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations92
US5591481AJan 7, 1997
Method of manufacturing a magnetic recording medium including forming a graft polymer lubricant layer by irradiating monomers with radicals or atomic gas
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92
US5589263ADec 31, 1996
Magnetic recording medium having a ferromagnetic metal thin film, a dry etched layer, a carbonaceous film, and a lubricant film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US5364690ANov 15, 1994
Magnetic recording medium comprising a ferromagnetic metal film and two carbon protective layers
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US5110676AMay 5, 1992
Magnetic recording medium incorporating metallic magnetic thin film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92
US4645703AFeb 24, 1987
Magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US4540618ASep 10, 1985
Magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92
US5137784AAug 11, 1992
Magnetic record medium with a magnetic layer coated with successive layers of carbon, organic amine, and fluoro lubricant
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations91
US5443888AAug 22, 1995
Magnetic recording medium having a carbon protective layer and partially fluorinated alkyl carboxylic acid lubricant layer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82
US5451427ASep 19, 1995
Magnetic recording medium and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US5322716AJun 21, 1994
Method for producing magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US5302424AApr 12, 1994
Method for forming a film with plasma CVD process
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations74
US5104685AApr 14, 1992
Method of producing magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US5798135AAug 25, 1998
Method for producing a magnetic recording medium having a carbon protective layer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US5496595AMar 5, 1996
Method for forming film by plasma CVD
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US5494742AFeb 27, 1996
Magnetic recording medium having improved running time and corrosion resistance
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US5328737AJul 12, 1994
Method of forming film by plasma CVD
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US6303227B1Oct 16, 2001
Lubricant composition magnetic recording medium, and process for producing magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations71
US5670107ASep 23, 1997
Method for producing magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations51