Inventor
NINOMIYA YOSHINOBU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NINOMIYA YOSHINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS4529661AJul 16, 1985
Magnetic recording medium
SONY CORP58 citations96
US4521486AJun 4, 1985
Magnetic recording medium
SONY CORP36 citations92
US4434210AFeb 28, 1984
Magnetic recording medium
SONY CORP30 citations92
US4637959AJan 20, 1987
Magnetic recording medium
SONY CORP32 citations91
US4634633AJan 6, 1987
Magnetic recording medium
SONY CORP26 citations91
US4400498AAug 23, 1983
Thermoplastic polyurethane resins
SONY CORP37 citations90
US4734330AMar 29, 1988
Magnetic recording medium
SONY CORP15 citations73
US4656089AApr 7, 1987
Magnetic recording medium
SONY CORP10 citations73
US4368238AJan 11, 1983
Magnetic recording media
SONY CORP16 citations73