OPTICAL DEVICE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20130259439A1
SERIAL NO

13853199

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical device includes: a first lens; a second lens that is arranged behind a focal point of the first lens and is optically connected to the first lens; an optical attenuator that is arranged on an optical path between the first lens and the second lens and changes passage amount of an inputting light.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC DEVICE INNOVATIONS INC1 KANAI-CHO SAKAE-KU YOKOHAMA-SHI KANAGAWA 244-0845

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asaba, Takashi Yokohama-shi, JP 4 118
Kawano, Taketo Yokohama-shi, JP 4 9
Kuwahara, Ryo Yokohama-shi, JP 5 25

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