Inventor
YAMANASHI SUMIYO
JP4 patents
⚠️ This page may combine multiple inventors who share the name “YAMANASHI SUMIYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AVAILVS CORP
3 patentsUS7074345B2Jul 11, 2006
Highly luminous light-emitting material and manufacturing method thereof
AVAILVS CORP33 citations90
US7291288B2Nov 6, 2007
Artificial stone and formation therefor
AVAILVS CORP5 citations60
US7204658B2Apr 17, 2007
Light-accumulating luminous road marking material and road structure
AVAILVS CORP6 citations60