Inventor
ONO KEIJI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “ONO KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
14 patentsUS6565771B1May 20, 2003
Process for producing aluminate-based phosphor
SUMITOMO CHEMICAL CO78 citations98
US6680004B2Jan 20, 2004
Method of producing aluminate fluorescent substance, a fluorescent substance and a diode containing a fluorescent substance
SUMITOMO CHEMICAL CO65 citations96
US6802990B2Oct 12, 2004
Fluorescent substances for vacuum ultraviolet radiation excited light-emitting devices
SUMITOMO CHEMICAL CO27 citations92
US6576157B2Jun 10, 2003
Vacuum ultraviolet ray-excited light-emitting phosphor
SUMITOMO CHEMICAL CO21 citations92
US6884367B2Apr 26, 2005
Method for producing silicate phosphor
SUMITOMO CHEMICAL CO7 citations74
US6676853B1Jan 13, 2004
Phosphor for vacuum ultraviolet excitation material
SUMITOMO CHEMICAL CO8 citations73
US6527978B2Mar 4, 2003
Phosphor for vacuum ultraviolet ray-exciting light-emitting element
SUMITOMO CHEMICAL CO8 citations73
US6663843B2Dec 16, 2003
Method of producing barium-containing composite metal oxide
SUMITOMO CHEMICAL CO2 citations63
US7622057B2Nov 24, 2009
Phosphor and vacuum ultraviolet excited light-emitting device
SUMITOMO CHEMICAL CO2 citations60
US7964112B2Jun 21, 2011
Phosphor and phosphor paste
SUMITOMO CHEMICAL CO0 citations52
US7229664B2Jun 12, 2007
Process for producing light-emitting phosphor
SUMITOMO CHEMICAL CO0 citations52
US6922013B2Jul 26, 2005
High voidage phosphor layer and vacuum UV excited light emitting element
SUMITOMO CHEMICAL CO1 citations52
US6689292B2Feb 10, 2004
Method of producing aluminate phosphor
SUMITOMO CHEMICAL CO0 citations52
US6627112B2Sep 30, 2003
Phosphor for vacuum ultraviolet excited light emitting device
SUMITOMO CHEMICAL CO0 citations52