Hot-rolled steel sheet for hyper train tube, and manufacturing method for same
US-12595526-B2 · Apr 7, 2026 · US
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Kim Hak-Jun patents
Kim Hak-Jun is listed as an inventor on 12 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kim Hak-Jun |
| Total patents | 12 |
| First publication | Jan 14, 2016 |
| Latest publication | Apr 7, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
QT heat treated high carbon hot rolled steel sheet, high carbon cold rolled steel sheet, QT heat treated high carbon cold rolled steel sheet, and manufacturing methods thereof
US-12595539-B2 · Apr 7, 2026 · US
Hot rolled steel sheet for ground reinforcement and steel pipe for ground reinforcement, and manufacturing methods thereof
US-2025027182-A1 · Jan 23, 2025 · US
Qt heat treated high carbon hot rolled steel sheet, high carbon cold rolled steel sheet, qt heat treated high carbon cold rolled steel sheet, and manufacturing methods thereof
US-2024076766-A1 · Mar 7, 2024 · US
High toughness high carbon cold rolled steel sheet having excellent formability, and method for manufacturing same
US-2024018621-A1 · Jan 18, 2024 · US
Hot-rolled steel sheet for hyper train tube, and manufacturing method for same
US-2024018618-A1 · Jan 18, 2024 · US
Hot rolled steel having low compressive strength loss after being processed into steel pipe, and manufacturing method therefor
US-2023416861-A1 · Dec 28, 2023 · US
Steel material for vacuum tube and method of manufacturing same
US-2023024943-A1 · Jan 26, 2023 · US
High-strength hot-rolled steel sheet having excellent yield ratio, and method for manufacturing same
US-2023012991-A1 · Jan 19, 2023 · US
Localized torsional severe plastic deformation method for conical tube metals
US-10661335-B2 · May 26, 2020 · US
Recent patents
Latest publications not already listed above.
Messaging automatic response service server and method for transceiving automatic response service message with mobile device
US-9813881-B2 · Nov 7, 2017 · US
Messaging automatic response service server and method for transceiving automatic response service message with mobile device
US-2016014580-A1 · Jan 14, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Posco Co Ltd | 7 |
| Kt Corp | 2 |
| Posco | 2 |
| Agency Defense Dev | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C21D8/02 | 9 |
| C21D6/005 | 9 |
| C21D8/0226 | 9 |
| C21D8/0263 | 9 |
| C21D9/46 | 9 |