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United States of America Patent

PATENT NO 9883695
SERIAL NO

14499862

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ATTORNEY / AGENT: (SPONSORED)

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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)

  • JAPAN TOBACCO INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akiyama, Takeshi Tokyo, JP 108 1292
Kobayashi, Tomohiro Tokyo, JP 148 1599
Yamada, Manabu Tokyo, JP 340 3918

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