Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Heping Zeng (3 out of 42 patents)

Mengyun Hu (3 out of 29 patents)

Chuan Yang (1 out of 6 patents)

4. Guang Feng (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 12758918 - Photocatalytic material, method for preparing the photocatalytic material and photocatalytic air screen filter for epidemic prevention (2026-10-13),

2. 12600661 - Fiberglass filter element containing zinc oxide-based composite nanoparticles and method for producing the same (2026-04-14),

3. 12600635 - Process and device for preparing graphene quantum material (2026-04-14),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#657 in SHANGHAI

#8,360 in China

Shanghai, China

Roi Optoelectronics Technology Co, Ltd.

Forward Citations = 0

4 inventors:

Heping Zeng (3 out of 42 patents)

Mengyun Hu (3 out of 29 patents)

Chuan Yang (1 out of 6 patents)

4. Guang Feng (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Roi Optoelectronics Technology Co, Ltd.. Retrieved from https://idiyas.com/company/roi-optoelectronics-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]