Inventor

QI DANDAN

CN5 patents

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

TEA RES INST GUANGDONG ACADEMY AGRICULTURAL SCIENCES

2 patents

US11129394B2Sep 28, 2021

Tea-bruising machine and method of bruising tea

TEA RES INST GUANGDONG ACADEMY AGRICULTURAL SCIENCES0 citations38

US11375728B2Jul 5, 2022

System and method for fine manipulation

TEA RES INST GUANGDONG ACADEMY AGRICULTURAL SCIENCES0 citations35

JING JIN ELECTRIC TECH CO LTD

1 patent

US11699931B2Jul 11, 2023

Rotor structure of interior permanent magnet motor

JING JIN ELECTRIC TECH CO LTD0 citations44

NANJING ESTUN AUTOMATION CO LTD

1 patent

US11913512B2Feb 27, 2024

Vibration suppression method for servo motor and load multistage drive system

NANJING ESTUN AUTOMATION CO LTD0 citations38

ESTUN AUTOMATION TECHNOLOGY CO LTD

1 patent

US9194739B2Nov 24, 2015

Method for measuring mechanical resonance frequency using servo driver

ESTUN AUTOMATION TECHNOLOGY CO LTD0 citations27