Inventor
UEKAWA YUTAKA
JP3 patents
Patents
3 patentsUS5073925ADec 17, 1991
Method and apparatus for the protection of signal copy
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD282 citations97
US4979210ADec 18, 1990
Method and apparatus for protection of signal copy
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD377 citations97
US4882758ANov 21, 1989
Method for extracting formant frequencies
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations87