Inventor

JINGGUAN DU

Inventor
CN

Overview

4→
Patents
2025–2026
Patent span
LOC
Primary field

Patents· 4 as inventor

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

LOC23primary
LOC23100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025–2026Patents assigned to TIANJIN YUANZHI ENVIRONMENTAL TECH CO LTD (3)· patent assignee history
2025Patents assigned to TIANJIN YUANZHI ENVIRONMENTAL PROTECTION TECH CO LTD (1)· patent assignee history
2025–2026Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TIANJIN YUANZHI ENVIRONMENTAL TECH CO LTD32025–2026
TIANJIN YUANZHI ENVIRONMENTAL PROTECTION TECH CO LTD12025
Locations
LocationPatentsSpan
CN42025–2026