Inventor
MAEDA TATSUMI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MAEDA TATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
10 patentsUS4714654ADec 22, 1987
Magnetic recording medium
TOSHIBA KK9 citations74
US5766763AJun 16, 1998
Hexagonal system ferrite powder for a high density magnetic recording medium
TOSHIBA KK8 citations72
US5576114ANov 19, 1996
High density magnetic recording medium containing hexagonal system ferrite powder
TOSHIBA KK6 citations72
US5494749AFeb 27, 1996
Magnetic powder for magnetic recording and magnetic recording medium containing the same
TOSHIBA KK13 citations72
US4699771AOct 13, 1987
Magnetic recording powder, method of manufacturing thereof and application thereof
TOSHIBA KK5 citations72
US4606971AAug 19, 1986
Magnetic recording medium
TOSHIBA KK17 citations71
US5686137ANov 11, 1997
Method of providing hexagonal ferrite magnetic powder with enhanced coercive force stability
TOSHIBA KK6 citations61
US5378547AJan 3, 1995
Magnetic powder for magnetic recording and magnetic recording medium containing the same
TOSHIBA KK2 citations61
US5698336ADec 16, 1997
Magnetic recording medium
TOSHIBA KK2 citations60
US4837092AJun 6, 1989
Magnetic recording powder, method of manufacturing thereof and application thereof
TOSHIBA KK1 citations50
KYOCERA CORP
3 patentsUS4920085AApr 24, 1990
Silicon nitride sintered body and process for preparation thereof
KYOCERA CORP19 citations80
US5219500AJun 15, 1993
Silicon nitride sintered body and process for preparation thereof
KYOCERA CORP9 citations71
US5132072AJul 21, 1992
Molding method of ceramic body
KYOCERA CORP6 citations56