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Seiji Shimomura

KC Koa Oil Company: 1 patents #17 of 38Top 45%
📍 Chikushino, JP: #20 of 43 inventorsTop 50%
Overall (All Time): #3,876,824 of 4,157,543Top 95%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5017358 Preparation of elastic graphite materials Yasuhiro Yamada, Masaki Fujii 1991-05-21