Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11656577 | Holographic writing method and holographic writing apparatus | Hak-Rin Kim, Jae-Won Ka, Ae-Jin Yeon, Kyung Il Joo | 2023-05-23 |
| 9608277 | Method for manufacturing alloy catalyst for fuel cell | Jin Seong Choi, Bum Wook Roh | 2017-03-28 |
| 9401513 | Titanium suboxide supports for catalyst electrode of fuel cell and low temperature synthesis of titanium suboxide | Bum Wook Roh, Jin Seong Choi, In-chul Hwang, Young Woo Lee, Sang Beom HAN +1 more | 2016-07-26 |