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Yasuki Kawashima
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Shiga, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Organic EL luminescent device
Patent number
9,508,682
Issue date
Nov 29, 2016
NEC Lighting, Ltd.
Yasuki Kawashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic EL light-emitting device and method for manufacturing the o...
Patent number
8,563,112
Issue date
Oct 22, 2013
Yamagata Promotional Organization for Industrial Technology
Joji Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Flat rare gas discharge lamp with variable output light color, illu...
Patent number
7,193,363
Issue date
Mar 20, 2007
NEC Corporation
Yasuki Kawashima
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Coating for phosphor particles
Patent number
5,856,009
Issue date
Jan 5, 1999
NEC Corporation
Naoki Nishio
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC EL LUMINESCENT DEVICE
Publication number
20150357305
Publication date
Dec 10, 2015
NEC LIGHTING, LTD.
Yasuki KAWASHIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC EL LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE O...
Publication number
20110052857
Publication date
Mar 3, 2011
NEC LIGHTING, LTD.
Joji Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SURFACE LIGHT-EMITTING DEVICE AND ILLUMINATING APPARATUS AND DISPLA...
Publication number
20100045167
Publication date
Feb 25, 2010
Yasuki Kawashima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flat rare gas discharge lamp with variable output light color, illu...
Publication number
20050242739
Publication date
Nov 3, 2005
NEC Corporation
Yasuki Kawashima
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cold cathode lamp and electronic instrument using cold cathode lamp
Publication number
20040070344
Publication date
Apr 15, 2004
NEC Corporation
Seiichiro Fujioka
H01 - BASIC ELECTRIC ELEMENTS