Inventor
USHIYAMA HISAYUKI
10 patents
⚠️ This page may combine multiple inventors who share the name “USHIYAMA HISAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
9 patentsUS4740443AApr 26, 1988
Encapsulated electrostatic toner with locally attached non-magnetic inorganic particles
CANON KK74 citations94
US4590142AMay 20, 1986
Capsule toner
CANON KK31 citations92
US4565764AJan 21, 1986
Microcapsule toner and process of making same
CANON KK32 citations92
US4497885AFeb 5, 1985
Pressure-fixable microcapsule toner
CANON KK20 citations82
US4797344AJan 10, 1989
Encapsulated toner having shell with first vinyl polymer with Mn of 2000-225000 and second vinyl polymer with Mn of 1000-15000
CANON KK22 citations81
US4626490ADec 2, 1986
Encapsulated toner
CANON KK21 citations81
US4581312AApr 8, 1986
Pressure-fixable capsule toner comprising pressure fixable core material and vinyl polymer shell material
CANON KK22 citations81
US4514485AApr 30, 1985
Developer for electrophotography having carrier particles, toner particles and electroconductive fine powders
CANON KK22 citations80
US4888264ADec 19, 1989
Process for preparing toner or capsule toner for use in electrophotography
CANON KK8 citations72