Assignee

ZHANG YANFENG

SG·2 granted patents·3 citations·filing 2011–2024

Technology mixH02J1 H02M1 Y02E1

Top patents by PatentIndex Score

2 records

0161US9252657B2Phase-displacement of a power converter in a wind turbineZHANG YANFENG·Filed 2011·Granted Feb 2, 2016·3 cites·18 claims
0243USD1098853SCorn scraperZHANG YANFENG·Filed 2024·Granted Oct 21, 2025·0 cites·1 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →