For the Inventor, By the Inventor

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Kumagai Gumi Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 21

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6 inventors (with patents filed for the assignee):

Toru Okazaki (1 out of 34 patents)

Yasuhiro Miyazaki (1 out of 17 patents)

Nobuki Hashiguchi (1 out of 5 patents)

4. Koji Urano (1 out of 1 patent)

5. Shigeo Kitahara (1 out of 1 patent)

6. Kota Kodama (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 11813090 - Determination device (2023-11-14),

2. 6935702 - Crushing apparatus electrode and crushing apparatus (2005-08-30),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#33 in Fukui

#10,964 in Japan

Kumagai Gumi Co., Ltd.

Forward Citations = 21

6 inventors:

Toru Okazaki (1 out of 34 patents)

Yasuhiro Miyazaki (1 out of 17 patents)

Nobuki Hashiguchi (1 out of 5 patents)

4. Koji Urano (1 out of 1 patent)

5. Shigeo Kitahara (1 out of 1 patent)

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