Inventor · disambiguated record
Yoshiyuki Tokumoto
Also filed as: TOKUMOTO YOSHIYUKI
2 granted patents·12 citations·filing 2004–2006
50Inventor score
Technology areasG11B
Top patents by PatentIndex Score
2 records- 0168US7227831B2Recording medium, recording and reproduction apparatus, and recording and reproduction methodSONY CORP·Filed 2004·Granted Jun 5, 2007·12 cites·8 claims
- 0239US8213284B2Multi-layered rewritable optical disc recording apparatus and recording methodKAWASHIMA TETSUJI·Filed 2006·Granted Jul 3, 2012·0 cites·8 claims
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