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OKAWA MASANAO

JP3 patents

Top patents by PatentIndex Score

US8564215B2Oct 22, 2013

Light emitting module device, light emitting module used in the device, and lighting apparatus provided with the device

OKAWA MASANAO15 citations82
US8513898B2Aug 20, 2013

Light emitting device that restores abnormal light emitting element

OKAWA MASANAO3 citations60
US8643312B2Feb 4, 2014

Method for feeding electric power to a planar light-emitting element

OKAWA MASANAO0 citations35