Inventor
SUGAYA KATSUMI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “SUGAYA KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
USHIO ELECTRIC INC
5 patentsUS7170237B2Jan 30, 2007
Device for operation of a high pressure discharge lamp
USHIO ELECTRIC INC26 citations92
US6815892B2Nov 9, 2004
Discharge lamp with metal oxide coating
USHIO ELECTRIC INC13 citations82
US7446482B2Nov 4, 2008
High pressure discharge lamp lighting apparatus
USHIO ELECTRIC INC12 citations81
US6597114B1Jul 22, 2003
Lamp and lamp package made of functionally gradient material
USHIO ELECTRIC INC9 citations72
US7439691B2Oct 21, 2008
High pressure discharge lamp lighting device
USHIO ELECTRIC INC6 citations61