Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013036 | Composite seal material | Sangho Kim | 2024-06-18 |
| 11231108 | Composite seal member | Sangho Kim, Nobuhiro Yoshida, Ippei Nakagawa | 2022-01-25 |
| D895076 | Composite seal member for semiconductor production apparatus | Sangho Kim | 2020-09-01 |
| D821552 | Composite seal | Ippei Nakagawa, Sang-Ho Kim | 2018-06-26 |