Choi; Ja Yong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choi; Ja Yong.The latest application filed is for "non-magnetic austenitic stainless steel having excellent corrosion resistance and manufacturing method therefor".
- Choi; Ja Yong - Pohang-si Gyeongsangbuk-do
- Choi; Ja-Yong - Kyungsangbuk-do KR
| Patent | Date |
|---|---|
| Non-magnetic Austenitic Stainless Steel Having Excellent Corrosion Resistance And Manufacturing Method Therefor App 20200299816 - Kim; Ji Soo ; et al. | 2020-09-24 |
| High cleanliness molten steel production method and refining device Grant 9,752,202 - Choi , et al. September 5, 2 | 2017-09-05 |
| High Cleanliness Molten Steel Production Method and Refining Device App 20150122083 - Choi; Ja Yong ; et al. | 2015-05-07 |
| On-Line Quality Prediction System for Stainless Steel Slab and the Predicting Method Using It App 20090138223 - Kim; Jong-Wan ; et al. | 2009-05-28 |
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