Inventor
KUMADA MASAHARU
JP14 patents
Patents
14 patentsUS4543441ASep 24, 1985
Solar battery using amorphous silicon
HITACHI LTD58 citations96
US4481265ANov 6, 1984
Photovoltaic-storage battery device
HITACHI LTD97 citations95
US5216321AJun 1, 1993
Shadow-mask type color cathode-ray tube
HITACHI LTD22 citations92
US4833361AMay 23, 1989
Impregnated cathode having cathode base body and refractory metal support welded together
HITACHI LTD15 citations73
US4208208AJun 17, 1980
Nickel alloy base metal plate for directly heated oxide cathodes
HITACHI LTD6 citations73
US5138461AAug 11, 1992
Implosion-protected cathode-ray tube
HITACHI LTD6 citations63
US6246163B1Jun 12, 2001
Cathode ray tube having bismuth oxide layer on color selective electrode
HITACHI LTD3 citations62
US5814928ASep 29, 1998
Cathode ray tube having reduced doming effect
HITACHI LTD4 citations62
US4872924AOct 10, 1989
Method of producing shadow mask of color cathode ray tube
HITACHI LTD2 citations62
US4446404AMay 1, 1984
Directly heated oxide cathode and production thereof
HITACHI LTD4 citations62
US4382206AMay 3, 1983
Directly heated type oxide cathode
HITACHI LTD4 citations62
US6346291B2Feb 12, 2002
Method of producing a cathode ray tube
HITACHI LTD0 citations52
US4222775ASep 16, 1980
Base metal plate materials for directly heated oxide cathodes
HITACHI LTD0 citations51
US4146393AMar 27, 1979
Base metal plate materials for directly heated oxide cathode
HITACHI LTD0 citations51