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For the Inventor, By the Inventor

Tokyo, Japan

Chemicos Creations Ltd.


USPTO Granted Patents = 2


Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Masayuki Kawasaki (1 out of 10 patents)

silverMedal Katsutaka Hattori (1 out of 1 patent)


2 patents:

1. 11707127 - Direct liquid type pen-shaped eyeliner (2023-07-25),
2. 9969205 - Pressure fluctuation buffering mechanism and applicator (2018-05-15),
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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#4,058 in Tokyo

#10,966 in Japan

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Tokyo, Japan

Chemicos Creations Ltd.

Forward Citations = 3

2 inventors:

goldMedal Masayuki Kawasaki (1 out of 10 patents)

silverMedal Katsutaka Hattori (1 out of 1 patent)

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