Inventor

Dejun SONG

Inventor
CN

Overview

1→
Patents
2025
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
E21CMining or quarrying33%
E21DShafts33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to CCTEG TAIYUAN RES INSTITUTE (1)· patent assignee history
2025Patents assigned to SHANXI TIANDI COAL MINING MACHINERY CO LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CCTEG TAIYUAN RES INSTITUTE12025
SHANXI TIANDI COAL MINING MACHINERY CO LTD12025
Locations
LocationPatentsSpan
CN12025