Inventor
Seiya OKADA
Inventor
JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals36%
C22CAlloys27%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling9%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material9%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
12,371,765Seamless steel pipe suitable for use in sour environment202511,905,580Seamless steel pipe suitable for use in sour environment202411,898,216Seamless steel pipe heat-treatment-finishing-treatment continuous facility202411,174,539Steel material suitable for use in sour environment2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to NIPPON STEEL CORP (4)· patent assignee history
2021–2025Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 4 | 2021–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 4 | 2021–2025 |