Molten iron dephosphorization method
US-12584183-B2 · Mar 24, 2026 · US
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Negishi Hidemitsu patents
Negishi Hidemitsu is listed as an inventor on 16 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Negishi Hidemitsu |
| Total patents | 16 |
| First publication | Nov 15, 2016 |
| Latest publication | Mar 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for denitrifying molten steel
US-2026035759-A1 · Feb 5, 2026 · US
Molten steel refining method
US-12529116-B2 · Jan 20, 2026 · US
Molten steel denitrification method and steel production method
US-12252754-B2 · Mar 18, 2025 · US
Treatment method of molten steel and steel production method
US-2024287632-A1 · Aug 29, 2024 · US
Molten steel denitrification method and steel production method
US-2024271235-A1 · Aug 15, 2024 · US
Method for secondarily refining molten steel and method of producing steel
US-2024271234-A1 · Aug 15, 2024 · US
Molten steel denitrification method, simultaneous denitrification and desulfurization treatment method, and steel production method
US-2024263261-A1 · Aug 8, 2024 · US
Molten steel denitrification method and steel production method
US-2024247329-A1 · Jul 25, 2024 · US
Method for desulfurizing molten metal
US-2024076756-A1 · Mar 7, 2024 · US
Recent patents
Latest publications not already listed above.
Molten iron refining method
US-2024076754-A1 · Mar 7, 2024 · US
Top-blowing lance for converter, method for adding auxiliary raw material, and method for refining of molten iron
US-2024076755-A1 · Mar 7, 2024 · US
Refining method of molten iron and manufacturing method of molten steel using same
US-2024068060-A1 · Feb 29, 2024 · US
Molten steel refining method
US-2023340629-A1 · Oct 26, 2023 · US
Molten iron dephosphorization method
US-2022259686-A1 · Aug 18, 2022 · US
Converter steelmaking method
US-9493854-B2 · Nov 15, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Jfe Steel Corp | 16 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02P10/20 | 12 |
| C21C7/072 | 9 |
| C21C7/10 | 8 |
| C21C5/4606 | 6 |
| C21C7/06 | 6 |