Gyeonggi-Do
Korea (South)
1
2011-05-05
Eui-Sik Yoon from Gyeonggi-Do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD FOR PRODUCING COLLOIDAL SOLUTION OF METAL NANO-PARTICLE AND METAL NANO-PARTICLE THEREBY
3371746 ⎘