Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10032594 | High efficiency hollow cathode and cathode system applying same | Wonho Choe, Youbong Lim, Holak Kim, Jongho Seon | 2018-07-24 |
JP
Jooyoung Park
Overall (2018): #361,039 of 503,207Top 75%
1
Patents 2018