Inventor
HIROOKA TSUGUYOSHI
JP7 patents
Patents
7 patentsUS5745066AApr 28, 1998
AD converter and magnetic recording/regenerating apparatus using thereof
HITACHI LTD17 citations92
US5937020AAug 10, 1999
Digital information signal reproducing circuit and digital information system
HITACHI LTD42 citations90
US5872666AFeb 16, 1999
Decoder circuitry with PRML signal processing for reproducing apparatus
HITACHI LTD35 citations90
US5867333AFeb 2, 1999
Data recording and reproducing apparatus and phase locked loop circuit for use therein including D/A converters acting as charge pumps and a reference voltage source
HITACHI LTD18 citations83
US6452736B1Sep 17, 2002
Magnetic recording and reproducing apparatus and a read/write amplifier having a signal transmission system with high speed of data write signal
HITACHI LTD6 citations73
US5557274ASep 17, 1996
Ad converter and magnetic recording/regenerating apparatus using the same
HITACHI LTD5 citations73
US6700721B2Mar 2, 2004
Magnetic recording and reproducing apparatus and semiconductor integrated circuit for use in the same comprising a read/write signal processor having an interleave write data generator
HITACHI LTD2 citations62