WY

Won-Deok Yi

Overall (All Time): #3,864,587 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5167813 Apparatus for producing a functionally gradient material Masashi Iwata, Niichi Hayashi, Shigeo Watanabe, Norio Ota 1992-12-01