SO

Seiichi Ohhira

TC Toyo Kohan Co.: 1 patents #160 of 295Top 55%
Overall (All Time): #4,108,761 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4194900 Hard alloyed powder and method of making the same Tsuneyuki Ide, Ken-ichi Takagi, Michio Watanabe, Masahito Fukumori, Yoshikazu Kondo 1980-03-25