Inventor

DOI TERUO

JP4 patents

Patents

4 patents

US6757404B2Jun 29, 2004

Loud speaker, diaphragm and process for making the diaphragm

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92

US5793000AAug 11, 1998

Speaker system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations90

US5932850AAug 3, 1999

Speaker system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations71

US5929392AJul 27, 1999

Speaker system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations71