Inventor
OZEKI HIROFUMI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “OZEKI HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
9 patentsUS5310710AMay 10, 1994
Microwave dielectric ceramic composition
NGK SPARK PLUG CO18 citations81
US5457076AOct 10, 1995
Microwave dielectric ceramic composition and preparing method thereof
NGK SPARK PLUG CO6 citations73
US4874727AOct 17, 1989
Particulate lead titanate ceramic and composite material containing same
NGK SPARK PLUG CO7 citations73
US5340784AAug 23, 1994
Microwave dielectric ceramic composition
NGK SPARK PLUG CO14 citations66
US5238887AAug 24, 1993
Ceramic composition for microwave dielectric
NGK SPARK PLUG CO8 citations65
US4751014AJun 14, 1988
Piezoelectric composite material
NGK SPARK PLUG CO2 citations61
US4743392AMay 10, 1988
Piezoelectric composite material
NGK SPARK PLUG CO3 citations61
USRE38491EApr 6, 2004
Composition for producing low sintering temperature ceramic dielectrics and method of manufacturing such dielectrics
NGK SPARK PLUG CO0 citations51
US5489559AFeb 6, 1996
Microwave dielectric ceramic composition
NGK SPARK PLUG CO1 citations51