P

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 patents
US4119554AOct 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 patents

KONISHIROKU PHOTO IND

1 patent