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Shoetsu Sakamoto
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Hirakata, JP
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last 30 patents
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Patent Grant
High-efficiency light source
Patent number
6,414,426
Issue date
Jul 2, 2002
Matsushita Electric Industrial Co., Ltd.
Izumi Akashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...