Inventor
SUGITANI AKIHIKO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “SUGITANI AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
USHIO ELECTRIC INC
10 patentsUS5789863AAug 4, 1998
Short arc lamp with one-piece cathode support component
USHIO ELECTRIC INC55 citations96
US6271628B1Aug 7, 2001
High pressure lamp with specific amount of mercury, halogen and wall loading
USHIO ELECTRIC INC48 citations92
US5903088AMay 11, 1999
Short arc lamp having a thermally conductive ring
USHIO ELECTRIC INC29 citations92
US4985275AJan 15, 1991
Method for producing a fused silica envelope for discharge lamp
USHIO ELECTRIC INC24 citations86
US7845805B2Dec 7, 2010
Discharge lamp lighting apparatus and projector
USHIO ELECTRIC INC9 citations83
US9874330B2Jan 23, 2018
Light projection device and head lamp for vehicle
USHIO ELECTRIC INC2 citations73
US6597115B2Jul 22, 2003
Light source device
USHIO ELECTRIC INC8 citations73
US6060830AMay 9, 2000
High pressure mercury lamp
USHIO ELECTRIC INC10 citations73
US5986402ANov 16, 1999
Metal halide lamp
USHIO ELECTRIC INC12 citations73
US6462471B1Oct 8, 2002
High pressure mercury lamp provided with a sealing body made of a functional gradient material
USHIO ELECTRIC INC2 citations61