Inventor

Yijun Guan

Inventor
Shenzhen, CN

Overview

12→
Patents
2018–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

A63Fprimary
A63FCard, board, or roulette games11%
H04LTransmission of digital information, e.g. telegraphic communication11%
H04WWireless communication networks11%
H05KPrinted circuits11%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing9%
F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons9%
G09GArrangements or circuits for control of indicating devices using static means to present variable information9%
F41BWeapons for projecting missiles without use of explosive or combustible propellant charge6%
A63HToys, e.g. tops, dolls, hoops or building blocks3%
B05BSpraying apparatus3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to SZ DJI TECHNOLOGY CO LTD (5)· patent assignee history
2018–2020Based in Shenzhen, CN· patent location history
2021Patents assigned to SHANGHAI NATIONAL ENGINEERING RES CENTER OF DIGITAL TELEVISION CO LTD (4)· patent assignee history
2021Patents assigned to WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD (3)· patent assignee history
2021Based in Shanghai, CN· patent location history
2021Based in Hubei, CN· patent location history
2021Based in Wuhan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SZ DJI TECHNOLOGY CO LTD52018–2020
SHANGHAI NATIONAL ENGINEERING RES CENTER OF DIGITAL TELEVISION CO LTD42021
WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD32021
Locations
LocationPatentsSpan
Shenzhen, CN52018–2020
Shanghai, CN42021
Hubei, CN22021
Wuhan, CN12021