HH

Hisayuki Hamajima

TC Tokai Carbon Co.: 1 patents #38 of 112Top 35%
Overall (All Time): #3,706,930 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5853523 Plasma-etching electrode plate Osamu Machida 1998-12-29