Inventor
CHIBA KAZUNOBU
JP13 patents
Patents
13 patentsUS5253122AOct 12, 1993
Recording of digital video signals on a magnetic medium having a particular energy product and surface roughness
SONY CORP30 citations92
US5247397ASep 21, 1993
Method for magnetically recording digital video signals with specified ranges of the easy axis and the bias magnetic field
SONY CORP24 citations92
US5906880AMay 25, 1999
Magnetic recording medium
SONY CORP8 citations73
US5672425ASep 30, 1997
Magnetic recording medium and a method of fabricating the same
SONY CORP8 citations73
US5571595ANov 5, 1996
Magnetic recording medium and method for production thereof
SONY CORP13 citations73
US5349478ASep 20, 1994
Magnetic recording and/or reproducing method having a double azimuth head arrangement
SONY CORP13 citations73
US5347406ASep 13, 1994
Digital video recording apparatus for recording digital video signals of reduced bit rate on magnetic tape having particular thickness, energy product and surface roughness
SONY CORP6 citations73
US5976668ANov 2, 1999
Base film for magnetic recording medium and magnetic recording medium using same
SONY CORP14 citations71
US5525419AJun 11, 1996
Magnetic recording medium
SONY CORP4 citations62
US5512349AApr 30, 1996
Method and apparatus for magnetic recording digital video signals and magnetic recording medium therefor
SONY CORP3 citations62
US5384666AJan 24, 1995
Digital picture signal recording apparatus in which a field interval is recorded in a plurality of tracks exhibiting a track pitch no greater than 5.5 μm by a rotary drum having a diameter no greater than 25 mm and a rotary speed no less than 150 rps
SONY CORP6 citations62
US5835673ANov 10, 1998
Digital signal recording on a magnetic recording medium having a non-magnetic base and magnetic metal film of certain characteristics
SONY CORP4 citations61
US5925404AJul 20, 1999
Manufacturing method of magnetic material for metallic thin film magnetic recording media and metallic thin film magnetic recording medium
SONY CORP3 citations54