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2 inventors (with patents filed for the assignee):

Yi Qiang Su (2 out of 34 patents)

Hong Chang (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 11749735 - Method for forming shielding polysilicon sidewall for protecting shielded gate trench metal-oxide-semiconductor field effect transistor (2023-09-05),

2. 11646355 - Shielded gate trench semiconductor apparatus and manufacturing method thereof (2023-05-09),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#49 in Xi'an

#11,585 in China

Xi'an, China

Huayi Microelectronics Co., Ltd.

Forward Citations = 0

2 inventors:

Yi Qiang Su (2 out of 34 patents)

Hong Chang (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Huayi Microelectronics Co., Ltd.. Retrieved from https://idiyas.com/company/huayi-microelectronics-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]