For the Inventor, By the Inventor

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Taichung, Taiwan

Lego Stone Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Chung-Hao Chang (1 out of 6 patents)

Chia-Ying Chang (1 out of 7 patents)

Chih-Wei Peng (1 out of 3 patents)

4. Chun-Ying Cai (1 out of 1 patent)

5. Yen Cheng (1 out of 1 patent)

6. Chun-Wei Wu (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12336863 - Ear canal clamp for small animals (2025-06-24),

2. 12317950 - Torsion-resistant three-density high rigidity midsole (2025-06-03),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#440 in Taichung

#4,103 in Taiwan

Taichung, Taiwan

Lego Stone Co., Ltd.

Forward Citations = 0

6 inventors:

Chung-Hao Chang (1 out of 6 patents)

Chia-Ying Chang (1 out of 7 patents)

Chih-Wei Peng (1 out of 3 patents)

4. Chun-Ying Cai (1 out of 1 patent)

5. Yen Cheng (1 out of 1 patent)

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