Hangzhou D2 Technology Co., Ltd.

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 4

Loading Chart...

2 inventors (with patents filed for the assignee):

Jielin Dai (2 out of 10 patents)

Xinlong Lv (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12090484 - Detection device for a sample detection (2024-09-17),

2. 10772610 - Sample collection detector (2020-09-15),

3. 8511149 - Detection device for fluid sample (2013-08-20),

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#222 in Hangzhou

#8,379 in China

Hangzhou, China

Hangzhou D2 Technology Co., Ltd.

Forward Citations = 4

2 inventors:

Jielin Dai (2 out of 10 patents)

Xinlong Lv (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hangzhou D2 Technology Co., Ltd.. Retrieved from https://idiyas.com/company/hangzhou-d2-technology-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]