For the Inventor, By the Inventor

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Hsinchu, Taiwan

Visco Vision Inc.

USPTO Granted Patents = 2

EPO Patents = 1

Trademarks = 1

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

Fan-Dan Jan (1 out of 25 patents)

Tsung-Jung Cheng (1 out of 1 patent)

Chin-Yii Tsao (1 out of 1 patent)

4. Cheng Tsung-Jung (0 patent)

5. Jan Fan-Dan (0 patent)

2 patents: Sort by Forward Citations

1. D1093452 - Contact lens (2025-09-16),

2. 9482881 - Polymerizable composition for coloring contact lenses (2016-11-01),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#352 in Hsinchu

#4,111 in Taiwan

Hsinchu, Taiwan

Visco Vision Inc.

Forward Citations = 0

3 inventors:

Fan-Dan Jan (1 out of 25 patents)

Tsung-Jung Cheng (1 out of 1 patent)

Chin-Yii Tsao (1 out of 1 patent)

4. Cheng Tsung-Jung (0 patent)

5. Jan Fan-Dan (0 patent)

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