Inventor
SAWADA MASARU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “SAWADA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
20 patentsUS7054088B2May 30, 2006
Information recording and reproducing apparatus and method, and signal decoding circuit for performing timing recovery
FUJITSU LTD82 citations98
US5870591AFeb 9, 1999
A/D with digital PLL
FUJITSU LTD42 citations96
US7035029B2Apr 25, 2006
Method of and apparatus for recording/reading information, circuit for recording/reading signal
FUJITSU LTD38 citations92
US7023946B2Apr 4, 2006
Signal processor having feedback loop control for decision feedback equalizer
FUJITSU LTD15 citations91
US6671112B2Dec 30, 2003
Semiconductor integrated circuit device
FUJITSU LTD29 citations91
US6288668B1Sep 11, 2001
Analog to digital converter, encoder, and recorded data reproducing apparatus
FUJITSU LTD39 citations91
US6798832B1Sep 28, 2004
Semiconductor device with decision feedback equalizer
FUJITSU LTD53 citations90
US6600779B1Jul 29, 2003
Signal processor having feedback loop control for decision feedback equalizer
FUJITSU LTD26 citations89
US7515369B2Apr 7, 2009
Information recording and reproducing apparatus and method, and signal decoding circuit for performing timing recovery
FUJITSU LTD7 citations74
US7385533B2Jun 10, 2008
Encoder and decoder using run-length-limited code
FUJITSU LTD6 citations74
US5848046ADec 8, 1998
Disk apparatus having signal processing unit
FUJITSU LTD9 citations74
US5424969AJun 13, 1995
Product-sum operation unit
FUJITSU LTD11 citations73
US6288665B1Sep 11, 2001
Analog to digital converter, encoder, and recorded data reproducing apparatus
FUJITSU LTD14 citations72
US6052244AApr 18, 2000
Servo signal processing apparatus, recorded data reading apparatus and method for processing servo signal
FUJITSU LTD11 citations72
US7286596B2Oct 23, 2007
Training method for recording medium reproduction equalizer and recording medium reproduction apparatus
FUJITSU LTD6 citations63
US7248188B2Jul 24, 2007
Encoder and decoder
FUJITSU LTD5 citations63
US7138931B2Nov 21, 2006
Recording and reproducing apparatus
FUJITSU LTD2 citations63
US7098818B1Aug 29, 2006
Encoder and decoder using run-length-limited code
FUJITSU LTD3 citations63
US6671115B2Dec 30, 2003
Servo signal processing apparatus, recorded data reading apparatus and method for processing servo signal
FUJITSU LTD2 citations61
US6061311AMay 9, 2000
Recorded data reproducing apparatus with synch-byte detection
FUJITSU LTD1 citations51