Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11233248 | Coating method of separator for fuel cell and separator for fuel cell | Kwang Hoon Choi, Woong Pyo Hong, Chi-Seung Lee, Bokyung Kim, Jungyeon Park +2 more | 2022-01-25 |
| 9333594 | Lead-free solder composition for glass | Hae Won Jeong, Tae Seung Lee, Seung Kyu Kim, Hong Nho Joo, Ho June Yoon +4 more | 2016-05-10 |
| 8905203 | Method for producing brake disc, mold for producing brake disc, and brake disc | Jae-Young Lee, Seong Jin Kim, Jae Min Han, Yoon Cheol Kim | 2014-12-09 |
| 8771438 | Plasma nitriding surface treatment method for gray cast iron part | Jae-Young Lee, Seong Jin Kim, Jai Min Han, Yoon Cheol Kim | 2014-07-08 |