Inventor
KOGA SHOUICHI
JP4 patents
Patents
4 patentsUS6243422B1Jun 5, 2001
Waveform shaping method and equipment
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations92
US5901179AMay 4, 1999
Waveform shaping method and equipment
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US7123938B2Oct 17, 2006
Card device, electronic apparatus, and wireless device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations82
US5825820AOct 20, 1998
Waveform shaping method and equipment
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73