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Eath Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 4

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5 inventors (with patents filed for the assignee):

Yutaka Hiruma (2 out of 4 patents)

Koji Arakaki (2 out of 2 patents)

Tatsuharu Mishina (2 out of 2 patents)

4. Takashige Fukuzawa (1 out of 1 patent)

5. Takashige Fukazawa (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 7987265 - Aggregation system (2011-07-26),

2. 7430603 - Aggregation system (2008-09-30),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#4,062 in Tokyo

#10,962 in Japan

Eath Co., Ltd.

Forward Citations = 4

5 inventors:

Yutaka Hiruma (2 out of 4 patents)

Koji Arakaki (2 out of 2 patents)

Tatsuharu Mishina (2 out of 2 patents)

4. Takashige Fukuzawa (1 out of 1 patent)

5. Takashige Fukazawa (1 out of 1 patent)

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