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Otokazu Imanishi
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Circular fluorescent lamp unit and lighting apparatus
Patent number
6,789,919
Issue date
Sep 14, 2004
NEC Corporation
Otokazu Imanishi
F21 - LIGHTING
Patents Applications
last 30 patents
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Patent Application
Fluorescent lamp
Publication number
20050242701
Publication date
Nov 3, 2005
NEC Corporation
Koji Nomura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Application
Circular fluorescent lamp unit and lighting apparatus
Publication number
20020196621
Publication date
Dec 26, 2002
Otokazu Imanishi
H01 - BASIC ELECTRIC ELEMENTS