Inventor
HAN MA
Inventor
CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Cprimary
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel19%
C21DModifying the physical structure of ferrous metals19%
C22CAlloys19%
B21BRolling of metal13%
B22DCasting of metals13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C22BProduction and refining of metals6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2025Patents assigned to JIANGSU SHAGANG GROUP CO LTD (3)· patent assignee history
2025Patents assigned to INSTITUTE OF RES OF IRON AND STEEL JIANGSU PROVINCE/SHA STEEL CO LTD (2)· patent assignee history
2025Patents assigned to HANGJIAGANG HONGCHANG STEEL PLATE CO LTD (1)· patent assignee history
2025Patents assigned to INSTITUTE OF RES OF IRON & STEEL JIANGSU PROVINCE/SHA STEEL CO LTD (1)· patent assignee history
2025Patents assigned to ZHANGJIAGANG HONGCHANG STEEL PLATE CO LTD (1)· patent assignee history
2025Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JIANGSU SHAGANG GROUP CO LTD | 3 | 2025 |
| INSTITUTE OF RES OF IRON AND STEEL JIANGSU PROVINCE/SHA STEEL CO LTD | 2 | 2025 |
| HANGJIAGANG HONGCHANG STEEL PLATE CO LTD | 1 | 2025 |
| INSTITUTE OF RES OF IRON & STEEL JIANGSU PROVINCE/SHA STEEL CO LTD | 1 | 2025 |
| ZHANGJIAGANG HONGCHANG STEEL PLATE CO LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 3 | 2025 |