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Asahi Kagaku Kogyo Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 67

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4 inventors (with patents filed for the assignee):

Masahiro Nakamura (1 out of 100 patents)

Hiroshi Matsumura (1 out of 10 patents)

Etsuo Matsui (1 out of 2 patents)

4. Koji Nii (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5851653 - Transparent brittle film (1998-12-22),

2. 5055340 - Grip tape (1991-10-08),

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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#602 in

#10,965 in Japan

Asahi Kagaku Kogyo Co., Ltd.

Forward Citations = 67

4 inventors:

Masahiro Nakamura (1 out of 100 patents)

Hiroshi Matsumura (1 out of 10 patents)

Etsuo Matsui (1 out of 2 patents)

4. Koji Nii (1 out of 1 patent)

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