Inventor
HIGUCHI TOSHIHARU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “HIGUCHI TOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
7 patentsUS6130502AOct 10, 2000
Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly
TOSHIBA KK35 citations90
US6447355B1Sep 10, 2002
Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region
TOSHIBA KK7 citations72
US6034469AMar 7, 2000
Impregnated type cathode assembly, cathode substrate for use in the assembly, electron gun using the assembly, and electron tube using the cathode assembly
TOSHIBA KK10 citations72
US5543682AAug 6, 1996
Cathode assembly incorporating a black layer formed from particles having a specified average particle size
TOSHIBA KK10 citations71
US6304024B1Oct 16, 2001
Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region
TOSHIBA KK4 citations61
US5762997AJun 9, 1998
Method of manufacturing a cathode assembly
TOSHIBA KK3 citations60
US5027029AJun 25, 1991
Indirectly heated cathode assembly and its associated electron gun structure
TOSHIBA KK6 citations60