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Inventor

Weijun Zeng

Inventor
Shenzhen, CN

Overview

3→
Patents
2013–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Bprimary
A61BDiagnosis33%
D04CBraiding or manufacture of lace, including bobbin-net or carbonised lace17%
D10BIndexing scheme associated with sublasses of section d, relating to textiles17%
F21VFunctional features or details of lighting devices or systems thereof17%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
PatentTitleYear
10,481,471Soft box20199,877,726'Occlusion device and method for its manufacture'20188,366,743'Heart septal defect occlusion device'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2018Patents assigned to ZENG WEIJUN (2)· patent assignee history
2013Patents assigned to LIFETECH SCIENT SHENZHEN CO (1)· patent assignee history
2013–2019Based in Shenzhen, CN· patent location history
2018Patents assigned to LIFETECH SCIENT (SHENZHEN) CO LTD (1)· patent assignee history
2018Patents assigned to LIU XIANGDONG (1)· patent assignee history
2019Patents assigned to GODOX PHOTO EQUIPMENT CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZENG WEIJUNself22013–2018
GODOX PHOTO EQUIPMENT CO LTD12019
LIFETECH SCIENT (SHENZHEN) CO LTD12018
LIFETECH SCIENT SHENZHEN CO12013
LIU XIANGDONG12018
Locations
LocationPatentsSpan
Shenzhen, CN32013–2019