Inventor

LI GUOMIN

CN3 patents

⚠️ This page may combine multiple inventors who share the name “LI GUOMIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STATE GRID BLOCKCHAIN TECH BEIJING CO LTD

2 patents

US12277549B2Apr 15, 2025

Blockchain-based transaction system for green certificate

STATE GRID BLOCKCHAIN TECH BEIJING CO LTD0 citations44

US12437306B2Oct 7, 2025

Blockchain-based green power certification method, apparatus, and system

STATE GRID BLOCKCHAIN TECH BEIJING CO LTD0 citations41

STATE GRID CORP CHINA

1 patent

US12184775B2Dec 31, 2024

Method and device employing smart contract to realize identity-based key management

STATE GRID CORP CHINA0 citations58