Inventor · disambiguated record
Yoshiyuki Urakawa
Also filed as: URAKAWA YOSHIYUKI
8 granted patents·20 citations·filing 1991–2013
77Inventor score
Top patents by PatentIndex Score
8 records- 0159US5559774AOptical disc reproducing apparatus which employs a binary detector for the outer tracks and a ternary detector for the inner tracksSONY CORP·Filed 1991·Granted Sep 24, 1996·12 cites·8 claims
- 0248US7660211B2Servo control apparatus, servo control method, optical disc apparatus and video camera recorderSONY CORP·Filed 2007·Granted Feb 9, 2010·0 cites·8 claims
- 0348US5357378AData reproducing apparatus with means for differentiating a read head output signal and means for three value detection of the result differentiatedSONY CORP·Filed 1992·Granted Oct 18, 1994·8 cites·4 claims
- 0447US8125864B2Information processing device and method, program, and recording/reproducing deviceURAKAWA YOSHIYUKI·Filed 2009·Granted Feb 28, 2012·0 cites·22 claims
- 0542US8824260B2Position control apparatus and position control methodSONY CORP·Filed 2013·Granted Sep 2, 2014·0 cites·5 claims
- 0637US8509041B2Recording apparatus and recording methodMUKASA TOMOHARU·Filed 2012·Granted Aug 13, 2013·0 cites·9 claims
- 0735US8780681B2Recording device and recording methodURAKAWA YOSHIYUKI·Filed 2011·Granted Jul 15, 2014·0 cites·6 claims
- 0833US8411543B2Recording apparatus and control methodURAKAWA YOSHIYUKI·Filed 2011·Granted Apr 2, 2013·0 cites·5 claims
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