Assignee
YAMAHARA DAISUKE
JP·2 granted patents·1 pending application·9 citations·filing 2009–2010
Top patents by PatentIndex Score
3 records- 0179US8115405B2High pressure discharge lamp lighting device and luminaire using sameYAMAHARA DAISUKE·Filed 2009·Granted Feb 14, 2012·9 cites·42 claims
- 0232US2010244716A1High pressure discharge lamp ballast with adaptive filament heating control based on lamp ageYAMAHARA DAISUKE·Filed 2010·Application pending·0 cites
- 0329US8143796B2Electronic ballast with controlled filament preheating using half-wave lamp current detectionYAMAHARA DAISUKE·Filed 2009·Granted Mar 27, 2012·0 cites·26 claims
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