LexDanaLexDanabeta
Inventor

ZHEFU ZHANG

Inventor
CN

Overview

8→
Patents
2023–2026
Patent span
LOC
Primary field

Patents· 8 as inventor

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

LOC12primary
LOC1250%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons20%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
G02BOptical elements, systems or apparatus10%
H04NPictorial communication, e.g. television10%
PatentTitleYear
D1119700Wheelchair202612,568,307Bio-imaging devices and methods of using same2026D1111939Wheelchair202612,303,441Collapsible wheelchair2025D1069656Electric wheelchair2025D1049943Wheelchair202412,016,804Collapsible wheelchair2024D0998509Foldable electric wheelchair2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to SHANGHAI BANGBANG ROBOTICS CO LTD (4)· patent assignee history
2023–2026Based in CN· patent location history
2024–2026Patents assigned to JIANGSU BANGBANG INTELLIGENT TECH CO LTD (5)· patent assignee history
2026Patents assigned to AZURE BIOSYSTEMS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JIANGSU BANGBANG INTELLIGENT TECH CO LTD52024–2026
SHANGHAI BANGBANG ROBOTICS CO LTD42023–2025
AZURE BIOSYSTEMS INC12026
Locations
LocationPatentsSpan
CN82023–2026