Inventor

KWON SANG KOO

KR2 patents

Patents

2 patents

US6656378B2Dec 2, 2003

Piezoelectric ceramic composition reducing leakage current and piezoelectric device using the same

CERA CO LTD S2 citations55

US6683014B2Jan 27, 2004

Piezoelectric ceramic composition and piezoelectric ceramic device using the same

CERA CO LTD S1 citations45