Inventor
OGUCHI TOSHIHIKO
19 patents
⚠️ This page may combine multiple inventors who share the name “OGUCHI TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO SHIBAURA ELECTRIC CO
11 patentsUS4212837AJul 15, 1980
Method and apparatus for forming spherical particles of thermoplastic material
TOKYO SHIBAURA ELECTRIC CO45 citations95
US4221554ASep 9, 1980
Method and apparatus for forming spherical particles of thermoplastic material
TOKYO SHIBAURA ELECTRIC CO37 citations92
US4565726AJan 21, 1986
Magnetic recording media having ferromagnetic and ferrite particles in the magnetic layer thereof
TOKYO SHIBAURA ELECTRIC CO27 citations91
US4425401AJan 10, 1984
Magnetic recording media
TOKYO SHIBAURA ELECTRIC CO28 citations90
US4233935ANov 18, 1980
Magnetic brush apparatus for electrostatic printing system
TOKYO SHIBAURA ELECTRIC CO12 citations74
US4447467AMay 8, 1984
Method and apparatus for perpendicular magnetic recording medium
TOKYO SHIBAURA ELECTRIC CO13 citations73
US4414124ANov 8, 1983
Method of producing barium-ferrite series powder
TOKYO SHIBAURA ELECTRIC CO19 citations72
US4155883AMay 22, 1979
Toner for electrostatic image development
TOKYO SHIBAURA ELECTRIC CO11 citations71
US3962992AJun 15, 1976
Device for developing an electrostatically charged image
TOKYO SHIBAURA ELECTRIC CO14 citations66
US4266503AMay 12, 1981
Apparatus for forming a cloud of toner particles
TOKYO SHIBAURA ELECTRIC CO6 citations62
US4284700AAug 18, 1981
Polymer coated transition metal powder as electrostatic image toner
TOKYO SHIBAURA ELECTRIC CO5 citations61
TOSHIBA KK
3 patentsUS4585697AApr 29, 1986
Magnetic recording medium
TOSHIBA KK16 citations69
US5470645ANov 28, 1995
Magnetic recording medium having two magnetic layers comprising magnetic powder and binder
TOSHIBA KK9 citations68
US5418077AMay 23, 1995
Magnetic records medium having multiple magnetic layers for recording in long and short wavelength
TOSHIBA KK0 citations47