Inventor

IBARAKI SATORU

JP9 patents

Patents

9 patents

US5058170AOct 15, 1991

Array microphone

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD122 citations97

US5463618AOct 31, 1995

Echo canceller

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD80 citations95

US4127749ANov 28, 1978

Microphone capable of cancelling mechanical generated noise

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD96 citations95

US6665645B1Dec 16, 2003

Speech recognition apparatus for AV equipment

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92

US6639986B2Oct 28, 2003

Built-in microphone device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92

US5633935AMay 27, 1997

Stereo ultradirectional microphone apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92

US4747132AMay 24, 1988

Howling canceller

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations91

US5563954AOct 8, 1996

Microphone apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations90

US5526430AJun 11, 1996

Pressure gradient type microphone apparatus with acoustic terminals provided by acoustic passages

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations90