Toothbrush

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12144415
APP PUB NO 20220047064A1
SERIAL NO

17417023

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A toothbrush includes an anisotropic deformation portion (70) on a rear end side from the bristle tufting surface (11), and a bending strength in a first direction orthogonal to the bristle tufting surface that is smaller than a bending strength in a second direction orthogonal to the long axis direction and the first direction. The anisotropic deformation portion includes an elastic deformation portion (90) that connects a first region on the tip end side from the anisotropic deformation portion and a second region on the rear end side from the anisotropic deformation portion. The elastic deformation portion is elastically deformable in the first direction and the second direction, and bending load when the head portion is displaced in the first direction is lower than a bending load when the head portion is displaced in the second direction.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
LION CORPORATION1-3-28 KURAMAE TAITO-KU TOKYO 1118644 ?1118644

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hachisuka, Ryosuke Tokyo, JP 3 1

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