Inventor
NAGAO FUMIAKI
JP13 patents
Patents
13 patentsUS6279021B1Aug 21, 2001
Digital filters
SANYO ELECTRIC CO81 citations95
US6314046B1Nov 6, 2001
Dual memory control circuit
SANYO ELECTRIC CO48 citations92
US5438532AAug 1, 1995
Digital filter for use in synthesizing filter or a separation filter
SANYO ELECTRIC CO21 citations92
US6345285B1Feb 5, 2002
Logarithmic value calculation circuit
SANYO ELECTRIC CO18 citations83
US6430681B1Aug 6, 2002
Digital signal processor
SANYO ELECTRIC CO8 citations73
US6351437B1Feb 26, 2002
Tracking servo circuit
SANYO ELECTRIC CO8 citations73
US6177812B1Jan 23, 2001
Phase detector
SANYO ELECTRIC CO13 citations73
US6700941B1Mar 2, 2004
Digital demodulation apparatus
SANYO ELECTRIC CO2 citations62
US6405229B1Jun 11, 2002
Digital filters
SANYO ELECTRIC CO2 citations62
US6363406B1Mar 26, 2002
Audio data compression/expansion apparatus and digital filter
SANYO ELECTRIC CO5 citations62
US6542865B1Apr 1, 2003
Method and apparatus for subband coding, allocating available frame bits based on changable subband weights
SANYO ELECTRIC CO6 citations61
US6260122B1Jul 10, 2001
Memory device
SANYO ELECTRIC CO0 citations51
US6229461B1May 8, 2001
Encoder and decoder
SANYO ELECTRIC CO0 citations51