YI

Yasuhiko Imai

SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
📍 Kasai, JP: #3,639 of 5,842 inventorsTop 65%
Overall (All Time): #3,585,339 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6247660 Process for hydrogen-pulverizing a rare earth metal-based magnetic material, and hydrogen-pulverizing case Koki Tokuhara, Katsumi Okayama, Akiyasu Oota, Akihito Tsujimoto 2001-06-19