Inventor

JI SHIJIE

CN2 patents

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

UNIV JIANGSU

1 patent

US11447837B2Sep 20, 2022

Combined fabricating method for gradient nanostructure in surface layer of metal workpiece

UNIV JIANGSU0 citations43

STATE GRID BLOCKCHAIN TECH BEIJING CO LTD

1 patent

US12437306B2Oct 7, 2025

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

STATE GRID BLOCKCHAIN TECH BEIJING CO LTD0 citations41