RI

Ryouji Iijima

HM Hitachi Metal: 1 patents #1 of 21Top 5%
Overall (All Time): #3,835,146 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5252399 Aluminum member provided with weather-resistant coat Seiji Hirata, Nobuhiko Katagiri 1993-10-12