YS

Yoshio Shohda

NO Nippon Oil: 1 patents #392 of 773Top 55%
Overall (All Time): #4,003,759 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4618463 Process for producing pitch carbon fibers Seiichi Uemura, Takao Hirose, Takayoshi Sakamoto, Kenji Katoh 1986-10-21