Inventor

OGAWA MICHIKO

JP5 patents

Patents

5 patents

US6938209B2Aug 30, 2005

Audio information provision system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD105 citations97

US5742688AApr 21, 1998

Sound field controller and control method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD69 citations95

US4924962AMay 15, 1990

Sound reproducing apparatus for use in vehicle

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations94

US6673995B2Jan 6, 2004

Musical signal processing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations71

US6605768B2Aug 12, 2003

Music-signal compressing/decompressing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations59