Austenitic stainless steel with excellent productivity and cost reduction effect and method for producing same
US-12590359-B2 · Mar 31, 2026 · US
This page is not indexed by search engines while we improve data quality.
Kim Hak patents
Kim Hak is listed as an inventor on 16 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kim Hak |
| Total patents | 16 |
| First publication | May 21, 2015 |
| Latest publication | Mar 31, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Non-magnetic austenitic stainless steel
US-12365972-B2 · Jul 22, 2025 · US
Austenitic stainless steel having increased yield ratio and manufacturing method thereof
US-12173392-B2 · Dec 24, 2024 · US
Ferritic stainless steel having improved magnetic properties and manufacturing method therefor
US-2024401174-A1 · Dec 5, 2024 · US
High-yield purification method for target protein
US-2024059730-A1 · Feb 22, 2024 · US
High-strength austenitic stainless steel with excellent hot workability
US-2023407443-A1 · Dec 21, 2023 · US
High-strength austenitic stainless steel with excellent productivity and cost reduction effect and method for producing same
US-2023175108-A1 · Jun 8, 2023 · US
Non-magnetic austenitic stainless steel
US-2023151470-A1 · May 18, 2023 · US
Austenitic stainless steel having increased yield ratio and manufacturing method thereof
US-2022403491-A1 · Dec 22, 2022 · US
Austenitic stainless steel having improved strength, and method for manufacturing same
US-2022267875-A1 · Aug 25, 2022 · US
Recent patents
Latest publications not already listed above.
High-strength nonmagnetic austenitic stainless steel and manufacturing method therefor
US-2022018006-A1 · Jan 20, 2022 · US
Nonmagnetic austenitic stainless steel and manufacturing method therefor
US-2022010392-A1 · Jan 13, 2022 · US
Non-magnetic austenitic stainless steel having improved strength and surface conductivity
US-2020370154-A1 · Nov 26, 2020 · US
Non-magnetic austenitic stainless steel having excellent corrosion resistance and manufacturing method therefor
US-2020299816-A1 · Sep 24, 2020 · US
Lean duplex stainless steel having improved corrosion resistance and machinability, and manufacturing method therefor
US-2019010573-A1 · Jan 10, 2019 · US
Apparatus of cleaning substrate
US-2015136185-A1 · May 21, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Posco | 12 |
| Posco Co Ltd | 3 |
| Samsung Display Co Ltd | 1 |
| Sk Bioscience Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C21D8/02 | 14 |
| C21D8/0226 | 14 |
| C22C38/001 | 14 |
| C22C38/02 | 14 |
| C21D2211/001 | 13 |