HR

Hai-il Ryu

UN Unknown: 4 patents #4,220 of 83,584Top 6%
Overall (All Time): #2,111,627 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8012308 Manufacturing method of mechanical pulp from cornstalk cellulose — 2011-09-06
7838578 Functional cornstalk board and preparation method thereof — 2010-11-23