Method for heat-treating uppermost surface of spheroidal graphite cast iron and spheroidal graphite cast iron heat-treated by the same
US-2020216923-A1 · Jul 9, 2020 · US
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Kwon Eun-Soo patents
Kwon Eun-Soo is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kwon Eun-Soo |
| Total patents | 2 |
| First publication | May 7, 2020 |
| Latest publication | Jul 9, 2020 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hyundai Motor Co Ltd | 1 |
| Kia Motors Corp | 1 |
| Korea Res Inst Bioscience & Biotechnology | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C23C8/30 | 1 |
| C23C8/18 | 1 |
| C22C37/04 | 1 |
| C21D8/0257 | 1 |
| C21D1/78 | 1 |