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Hangzhou, China

Hangzhou Vastchain Technology Co., Ltd

USPTO Granted Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Jian Zhao (1 out of 6 patents)

Xiao Luo (1 out of 1 patent)

Xiji Cheng (1 out of 1 patent)

4. Zhiwen Zhang (1 out of 1 patent)

5. Saiwei Song (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 11811956 - Blockchain-based supervision system of hazardous chemical production (2023-11-07),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#377 in Hangzhou

#16,162 in China

Hangzhou, China

Hangzhou Vastchain Technology Co., Ltd

Forward Citations = 0

5 inventors:

Jian Zhao (1 out of 6 patents)

Xiao Luo (1 out of 1 patent)

Xiji Cheng (1 out of 1 patent)

4. Zhiwen Zhang (1 out of 1 patent)

5. Saiwei Song (1 out of 1 patent)

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