% Expired Patents = 66.7

Forward Citations = 4

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12 inventors (with patents filed for the assignee):

Yuzhi Liu (3 out of 5 patents)

Chen Defu (2 out of 2 patents)

Baojia Huang (2 out of 3 patents)

4. Jianfu Wu (2 out of 2 patents)

5. Dongsheng Yao (2 out of 6 patents)

6. Jinxing Peng (1 out of 1 patent)

7. Youfen Chen (1 out of 1 patent)

8. Wenqing Xie (1 out of 2 patents)

9. Zhang Wei (1 out of 1 patent)

10. Li Zhaoxi (1 out of 1 patent)

11. Feiyu Li (1 out of 16 patents)

12. Xiping Li (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 10612224 - Drain valve (2020-04-07),

2. 9828756 - Controllable self-cleaning device for a flushing spray nozzle (2017-11-28),

3. 9556601 - Base connection device used to change a flapper drain valve to a barrel drain valve (2017-01-31),

4. 9499967 - Air suction spray nozzle (2016-11-22),

5. 9487938 - Automatic protection device for a toilet inlet valve or drain valve (2016-11-08),

6. 9422699 - Toilet inlet valve and control method thereof (2016-08-23),

Company Overview

Wdi (Xiamen) Technology Inc. is a leading provider of innovative technology solutions for businesses. With a focus on digital transformation and smart technologies, Wdi (Xiamen) Technology Inc. offers a wide range of services including software development, IT consulting, and cloud solutions. Their expert team is dedicated to delivering high-quality, customized solutions that help businesses thrive in today's fast-paced digital world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#85 in Xiamen

#4,454 in China

Xiamen, China

Wdi (Xiamen) Technology Inc.

Forward Citations = 4

12 inventors:

Yuzhi Liu (3 out of 5 patents)

Chen Defu (2 out of 2 patents)

Baojia Huang (2 out of 3 patents)

4. Jianfu Wu (2 out of 2 patents)

5. Dongsheng Yao (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wdi (Xiamen) Technology Inc.. Retrieved from https://idiyas.com/company/wdi-xiamen-technology

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]