LexDanaLexDanabeta
Inventor

Zhi Gang Ou

Inventor
Shenzhen, CN

Overview

6→
Patents
2015–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A63Hprimary
A63HToys, e.g. tops, dolls, hoops or building blocks25%
B64CAeroplanes25%
B64UUnmanned aerial vehicles [uav]25%
F01DNon-positive displacement machines or engines, e.g. steam turbines25%
PatentTitleYear
10,745,119Self-tightening rotor202010,196,138Self-tightening rotor201910,160,538Self-tightening rotor20189,630,703'Self-tightening rotor'20179,284,040'Self-tightening rotor'20169,057,273'Self-tightening rotor'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2020Patents assigned to SZ DJI TECHNOLOGY CO LTD (6)· patent assignee history
2015–2020Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SZ DJI TECHNOLOGY CO LTD62015–2020
Locations
LocationPatentsSpan
Shenzhen, CN62015–2020