Inventor

BI YUFENG

CN4 patents

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

UNIV SHANDONG

2 patents

US11187460B2Nov 30, 2021

Device and method for reinforcing recycled aggregate based on in-situ C-S-H production

UNIV SHANDONG7 citations74

US12146044B1Nov 19, 2024

Red mud-based composite asphalt anti-aging agent, and preparation method therefor and use thereof

UNIV SHANDONG1 citations51

SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST

2 patents

US10573173B2Feb 25, 2020

Vehicle type identification method and device based on mobile phone data

SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST3 citations65

US10573174B2Feb 25, 2020

Method for judging highway abnormal event

SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST0 citations32