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Pentel K.k.

USPTO Granted Patents = 1

Forward Citations = 7

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2 inventors (with patents filed for the assignee):

Kazunari Takahashi (1 out of 35 patents)

Shigeo Oka (1 out of 41 patents)

1 patent: Sort by Forward Citations

1. 6179124 - Container for lead refill (2001-01-30),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#908 in

#15,539 in Japan

Pentel K.k.

Forward Citations = 7

2 inventors:

Kazunari Takahashi (1 out of 35 patents)

Shigeo Oka (1 out of 41 patents)

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