KO

Kohji Ohishi

PC Polyplastics Co.: 1 patents #154 of 292Top 55%
Overall (All Time): #3,936,528 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4861860 Process for producing polyester Minoru Akiyama, Ryuichi Sekita 1989-08-29