Writing instrument

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9566818
APP PUB NO 20150367672A1
SERIAL NO

14816314

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In order to provide a writing instrument applicable to an applicator, in which a writing or applying direction can be visually recognized in a broad range at a visual part of a tip, the writing instrument is endowed with a constitution in which a tip is equipped with a porous member as a writing part and a holding member holding the above porous member and having at least one liquid guiding part for feeding an liquid to the writing or applying part, which comprises a relay porous member for feeding a liquid contained in a instrument main body to the liquid guiding part provided in the holding member 55 and in which the holding member is a visible part wherein an area ratio of the above visible part on the front or side face is 40% or more of the tip protruding from a tip part.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI PENCIL COMPANY LIMITED23-37 HIGASHI-OHI 5-CHOME SHINAGAWA-KU TOKYO 140-8537

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kamitani, Toshimi Fujioka, JP 28 93
Kawabata, Mitsuhiro Fujioka, JP 5 27
Kouriki, Tadashi Fujioka, JP 3 11
Okuyama, Hiroyuki Fujioka, JP 113 4117

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