LexDanaLexDanabeta
Inventor

Guangjiao ZHANG

Inventor
CN

Overview

4→
Patents
2022–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A47Cprimary
A47CChairs100%
PatentTitleYear
12,478,186Chair frame and chair202512,408,754Adjustable bracket and high-feet sofa202511,564,496Interlockingly extending driving mechanism for electric sofa202311,478,083Sofa backrest adjusting apparatus with integrated headrest and lumbar cushion2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to DEWERTOKIN TECH GROUP CO LTD (4)· patent assignee history
2022–2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEWERTOKIN TECH GROUP CO LTD42022–2025
Locations
LocationPatentsSpan
CN42022–2025