Inventor
OKAWA MASANAO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OKAWA MASANAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC CORP
6 patentsUS9121593B2Sep 1, 2015
Lighting apparatus and lighting apparatus assembly using the same
PANASONIC CORP5 citations71
US8823275B2Sep 2, 2014
Lighting circuit for light emitting element and illumination apparatus including same
PANASONIC CORP3 citations62
US8344651B2Jan 1, 2013
Light control apparatus and lighting appliance using the same
PANASONIC CORP4 citations61
US9374866B2Jun 21, 2016
Organic EL illumination module and illumination apparatus including same
PANASONIC CORP0 citations51
US9439264B2Sep 6, 2016
Lighting circuit for light emitting element and illumination apparatus including same
PANASONIC CORP0 citations41
US9445478B2Sep 13, 2016
Light-emitting element lighting device, light-emitting module, illuminating apparatus, and light-emitting element lighting method
PANASONIC CORP0 citations39
MATSUSHITA ELECTRIC WORKS LTD
3 patentsUS7391165B2Jun 24, 2008
Discharge lamp lighting control device
MATSUSHITA ELECTRIC WORKS LTD21 citations91
US6838834B2Jan 4, 2005
Lighting system and electric power supplier for the same
MATSUSHITA ELECTRIC WORKS LTD15 citations83
US6958581B2Oct 25, 2005
High-intensity discharge lamp operating device and method for controlling the high-intensity discharge lamp
MATSUSHITA ELECTRIC WORKS LTD9 citations72
OKAWA MASANAO
3 patentsUS8564215B2Oct 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