Inventor
FUJIWARA SHINOBU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA SHINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK ELECTRONICS CO LTD
13 patentsUS4119554AOct 10, 1978
Ceramic dielectric composition containing alkali metal oxide
TDK ELECTRONICS CO LTD34 citations92
US4287075ASep 1, 1981
High dielectric constant type ceramic composition consisting essentially of Pb(Fe1/2 Nb1/2)O3 -Pb(Mg1/3 Nb2/3)O3 -Pb(Mg1/2 W1/2)O3
TDK ELECTRONICS CO LTD26 citations81
US4265668AMay 5, 1981
High dielectric constant type ceramic composition
TDK ELECTRONICS CO LTD22 citations81
US4058404ANov 15, 1977
Sintered ceramic dielectric body
TDK ELECTRONICS CO LTD16 citations74
US4017320AApr 12, 1977
Ceramic dielectric composition
TDK ELECTRONICS CO LTD7 citations74
US4073846AFeb 14, 1978
Reduction-reoxidation type semiconducting ceramic capacitor
TDK ELECTRONICS CO LTD12 citations73
US4014707AMar 29, 1977
Ceramic dielectric composition
TDK ELECTRONICS CO LTD11 citations73
US4216102AAug 5, 1980
High dielectric constant type ceramic composition consisting essentially of Pb(Fe1/2 Nb1/2)O3 -Pb(Mg1/3 Nb2/3)O3
TDK ELECTRONICS CO LTD10 citations72
US3951873AApr 20, 1976
Ceramic dielectric composition
TDK ELECTRONICS CO LTD12 citations71
US4363088ADec 7, 1982
Electric power source units
TDK ELECTRONICS CO LTD12 citations70
US3995300ANov 30, 1976
Reduction-reoxidation type semiconducting ceramic capacitor
TDK ELECTRONICS CO LTD4 citations62
US4216103AAug 5, 1980
High dielectric constant type ceramic composition consisting essentially of Pb(Fe1/2 Nb1/2)O3 -Pb(Mg1/3 Ta2/3)O3
TDK ELECTRONICS CO LTD4 citations61
US4235635ANov 25, 1980
High dielectric constant type ceramic composition
TDK ELECTRONICS CO LTD1 citations51
TDK CORP
4 patentsUS4854936AAug 8, 1989
Semiconductive ceramic composition and semiconductive ceramic capacitor
TDK CORP18 citations81
US4799127AJan 17, 1989
Semiconductive ceramic composition and semiconductor ceramic capacitor
TDK CORP14 citations72
US4447549AMay 8, 1984
Non-linear dielectric element
TDK CORP9 citations68
US4692422ASep 8, 1987
High dielectric porcelain composition and method of reducing sintering temperature thereof
TDK CORP3 citations61