Inventor

ZHAO HONGDA

US6 patents

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

AMAZON TECH INC

2 patents

US9928151B1Mar 27, 2018

Remote device interface for testing computing devices

AMAZON TECH INC22 citations86

US10725890B1Jul 28, 2020

Program testing service

AMAZON TECH INC13 citations78

UNIV GUANGDONG TECHNOLOGY

2 patents

US12007679B1Jun 11, 2024

Macro-to-micro two-stage camera lens focusing device based on direct-drive air floatation platform

UNIV GUANGDONG TECHNOLOGY0 citations48

US12395058B2Aug 19, 2025

Frame-type bilateral reverse permanent magnet direct current linear motor

UNIV GUANGDONG TECHNOLOGY0 citations47

FIBROGEN INC

1 patent

US9409892B2Aug 9, 2016

4-hydroxy-isoquinoline compounds as HIF hydroxylase inhibitors

FIBROGEN INC6 citations71

GUANGDONG MENTECH TECHNICAL INNOVATION CO LTD

1 patent

USD1044724SOct 1, 2024

Mobile energy storage power supply unit

GUANGDONG MENTECH TECHNICAL INNOVATION CO LTD0 citations47