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United States of America Patent

PATENT NO 9877506
SERIAL NO

15242180

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Abstract

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A carbon heat source (10) is equipped with: a cylindrical section (11) provided with a cavity (11A) through which there is ventilation communication in the longitudinal axis direction (L) of the carbon heat source (10); and an ignition end (12) which is provided further to the ignition side of the carbon heat source (10) than the cylindrical section (11). Therein, a groove (12A) which connects with the cavity (11A) is formed on the end surface (E) of the ignition side of the ignition end (12).

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Patent Owner(s)

Patent OwnerAddress
JAPAN TOBACCO INCTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akiyama, Takeshi Tokyo, JP 112 1400
Kobayashi, Tomohiro Tokyo, JP 152 1678
Yamada, Manabu Tokyo, JP 372 4453

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