SU

Sadao Umezu

TC Toho Kinzoku Co.: 1 patents #3 of 21Top 15%
Overall (All Time): #3,942,283 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4882519 Discharge electrode material composed of yttrium and rhenium or ruthenium Yoshinori Maeno, Hiroshi Mikita, Fukuhisa Matsuda, Masao Ushio 1989-11-21