Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8876994 | Porous sheet and method for manufacturing the porous sheet | Jun Hwan YOO, Jin Wook Na, Sun Ok Kim | 2014-11-04 |
JR
Jea Sik Ryoo
Overall (All Time): #3,132,998 of 4,157,543Top 80%
1
Patents All Time