YO

Yasuhiro Okajima

SC Sumitomo Metal Mining Co.: 1 patents #2 of 26Top 8%
SC Sumitomo Special Metals Co.: 1 patents #4 of 27Top 15%
📍 Niihama, JP: #15 of 51 inventorsTop 30%
Overall (1994): #49,717 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5281250 Powder material for rare earth-iron-boron based permanent magnets Atsushi Hamamura, Katsumi Okayama, Yuji Kaneko, Kaname Takeya, Shuji Okada 1994-01-25