Inventor
KATOUGI MASAYUKI
JP5 patents
Patents
5 patentsUS6325651B1Dec 4, 2001
Light emitting device, socket device and lighting device
MORIYAMA SANGYO KK117 citations96
US6234649B1May 22, 2001
Electric lamp device and lighting apparatus
MORIYAMA SANGYO KK112 citations95
US6095660AAug 1, 2000
Equipment using mounting hole of ceiling as fixing element and accessory devices
MORIYAMA SANGYO KK75 citations95
US5967640AOct 19, 1999
Equipment using mounting hole of ceiling as fixing element and accessory devices
MORIYAMA SANGYO KK43 citations92
US6153972ANov 28, 2000
Light bulb device
MORIYAMA SANGYO KK13 citations73