Lamp

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United States of America Patent

PATENT NO 9263246
APP PUB NO 20150279652A1
SERIAL NO

14606574

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Abstract

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A lamp includes a bulb, a filament, a gas, and a reflective film. The filament is disposed in the interior of the bulb along the tube axis. The gas is filled in the interior of the bulb. The reflective film is formed on the outer circumferential surface of the bulb and reflects a light from the filament toward the interior of the bulb. Further, the reflective film may be formed by depositing a reflective film material containing TiO2, SiO2, and BaSO4 on the outer circumferential surface of the bulb.

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Patent Owner(s)

Patent OwnerAddress
TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONYOKOSUKA-SHI KANAGAWA 237-8510

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujita, Yoshitaka Yokosuka, JP 69 586
Ohashi, Tsuyoshi Yokosuka, JP 88 1155
Takatsuka, Masaaki Yokosuka, JP 3 0

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