Inventor

QIU YIPING

US3 patents

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

UNIV NORTH CAROLINA STATE

2 patents

US6555488B1Apr 29, 2003

Three-dimensionally reinforced cellular matrix composite and method of making same

UNIV NORTH CAROLINA STATE22 citations90

US6521148B2Feb 18, 2003

Method of making a three-dimensionally reinforced cellular matrix composite

UNIV NORTH CAROLINA STATE12 citations71

BEIJING ROBOROCK TECHNOLOGY CO LTD

1 patent

USD1097404SOct 7, 2025

Dust filter for cleaning appliance

BEIJING ROBOROCK TECHNOLOGY CO LTD1 citations57