Filter for cigarette product and cigarette product

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10667550
APP PUB NO 20180000152A1
SERIAL NO

15702410

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The filter for cigarette product includes a mouthpiece end side-filter material and a front stage-filter material. The mouthpiece end side-filter material has a low air flow-resistance unit that is arranged in a part of a cross section from a front end surface to a rear end surface and having a relatively low air flow-resistance, and a high air flow-resistance unit that is arranged in the remainder of the cross section from the front end surface to the rear end surface and having a higher air flow-resistance than the low air flow-resistance unit. At least on the rear end surface of the mouthpiece end side-filter material, the low air flow-resistance unit is arranged only in one semicircular area, of two parts into which the cross section of the mouthpiece end side-filter material is divided.

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First Claim

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Patent Owner(s)

  • JAPAN TOBACCO INC.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arae, Kazumasa Tokyo, JP 4 2
Ito, Kenji Tokyo, JP 266 2999
Nagata, Tomiharu Tokyo, JP 1 2
Ninomiya, Yu Tokyo, JP 2 4
Ogi, Sadao Tokyo, JP 1 2
Torai, Hiroyuki Tokyo, JP 8 27

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