JoyVirtue www.sunspirit.com.hk
STMicroelectronics www.st.com
MATSUSHITA ELECTRIC panasonic.co.jp/semicon
NXP SEMICONDUCTORS www.nxp.com
SANKEN ELECTRIC www.sanken-ele.co.jp
SANYO SEMICONDUCTOR www.semic.sanyo.co.jp
TOSHIBA CORPORATION www.semicon.toshiba.co.jp
ROHM ELECTRONICS www.rohmelectronics.com
NSC-NATIONAL www.national.com
FAIRCHILD www.fairchildsemi.com
IR www.irf.com
NEC www.nec.co.jp
PTC www.princeton.com.tw
