Inventor
SASAKI KUNITSUNA
JP17 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI KUNITSUNA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
16 patentsUS4731292AMar 15, 1988
Magnetic recording medium
KONISHIROKU PHOTO IND53 citations95
US5478626ADec 26, 1995
Magnetic recording medium having a magnetic layer with specified limits of both Ra and R10z surface roughness
KONISHIROKU PHOTO IND10 citations73
US5324582AJun 28, 1994
Magnetic recording medium
KONISHIROKU PHOTO IND13 citations73
US5153079AOct 6, 1992
Magnetic recording medium comprising ferromagnetic powder and polar group containing ginder resins having different glass transition temperatures
KONISHIROKU PHOTO IND9 citations73
US5149585ASep 22, 1992
Magnetic recording medium
KONISHIROKU PHOTO IND7 citations73
US5094916AMar 10, 1992
Magnetic recording medium comprising a polyurethane binder resin having a specified glass transition, molecular weight, and polar group content
KONISHIROKU PHOTO IND8 citations73
US5151330ASep 29, 1992
Magnetic recording medium comprising magnetic particles and a polyurethane resin binder having a polycaprolactone structural unit
KONISHIROKU PHOTO IND8 citations72
US5480713AJan 2, 1996
Magnetic recording medium
KONISHIROKU PHOTO IND8 citations71
USRE36220EJun 1, 1999
Magnetic recording medium having a magnetic layer with specified limits of both RA and R10Z surface roughness
KONISHIROKU PHOTO IND5 citations62
US5545462AAug 13, 1996
Magnetic recording medium
KONISHIROKU PHOTO IND2 citations62
US5449527ASep 12, 1995
Method of producing magnetic recording medium
KONISHIROKU PHOTO IND3 citations62
US5304416AApr 19, 1994
Magnetic recording medium
KONISHIROKU PHOTO IND2 citations62
US5215833AJun 1, 1993
Magnetic recording medium
KONISHIROKU PHOTO IND2 citations62
US5061516AOct 29, 1991
Production method for magnetic recording medium
KONISHIROKU PHOTO IND3 citations62
US5460876AOct 24, 1995
Magnetic recording medium
KONISHIROKU PHOTO IND0 citations51
US5320901AJun 14, 1994
Magnetic recording medium
KONISHIROKU PHOTO IND1 citations51