Inventor
TSUNOOKA TSUTOMU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “TSUNOOKA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
7 patentsUS4917810AApr 17, 1990
Piezoelectric composite material
NGK SPARK PLUG CO56 citations95
US5169551ADec 8, 1992
Piezoelectric composite material
NGK SPARK PLUG CO23 citations92
US4675123AJun 23, 1987
Piezoelectric composite material
NGK SPARK PLUG CO42 citations92
US4278000AJul 14, 1981
Piezoelectric transducer for electrical string instruments and pickup means comprising the same
NGK SPARK PLUG CO45 citations91
US4638206AJan 20, 1987
Sheet-like piezoelectric element
NGK SPARK PLUG CO43 citations90
US4874727AOct 17, 1989
Particulate lead titanate ceramic and composite material containing same
NGK SPARK PLUG CO7 citations73
US4704373ANov 3, 1987
Dielectric ceramic composition and process for producing the same
NGK SPARK PLUG CO4 citations59