Assignee
YAMAKAWA MASAHIKO
JP·4 granted patents·23 citations·filing 2010–2011
Top patents by PatentIndex Score
4 records- 0183US9109762B2White light source and white light source system including the sameYAMAKAWA MASAHIKO·Filed 2011·Granted Aug 18, 2015·7 cites·10 claims
- 0280US8884512B2White light emitting lamp and white LED lighting apparatus including the sameYAMAKAWA MASAHIKO·Filed 2010·Granted Nov 11, 2014·6 cites·20 claims
- 0379US8710532B2White light emitting lamp and white LED lighting apparatus including the sameYAMAKAWA MASAHIKO·Filed 2011·Granted Apr 29, 2014·7 cites·8 claims
- 0475US9112120B2White light source and white light source system including the sameYAMAKAWA MASAHIKO·Filed 2011·Granted Aug 18, 2015·3 cites·13 claims
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