Inventor
Yeyu Zhang
Inventor
CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties40%
B64CAeroplanes20%
E21BEarth or rock drilling20%
G06FElectric digital data processing20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to SICHUAN KEYUAN TESTING CENTER OF ENGINEERING TECH CO LTD (2)· patent assignee history
2023–2025Based in CN· patent location history
2025Patents assigned to SICHUAN INST OF ENERGETICAL AND GEOLOGICAL SURVEY (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SICHUAN KEYUAN TESTING CENTER OF ENGINEERING TECH CO LTD | 2 | 2023–2025 |
| SICHUAN INST OF ENERGETICAL AND GEOLOGICAL SURVEY | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 2 | 2023–2025 |