Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10060014 | Bearing steel having improved fatigue durability and method of manufacturing the same | Si-Yup LEE, Young Sang Ko, Moon Ki Bae, Seung Hyun Hong | 2018-08-28 |
| 10000831 | Highly durable coil spring steel | Jeen PARK, Jong Hwi Park, Kyu Ho Lee | 2018-06-19 |
| 9957595 | Carburized alloy steel having improved durability and method of manufacturing the same | Moon Ki Bae, Seung Hyun Hong, Si-Yup LEE | 2018-05-01 |