HK

Hisayoshi Kai

AS Asahi-Dow: 1 patents #40 of 93Top 45%
Overall (All Time): #4,084,897 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4254028 Styrene resin composition Shohachi Ono, Noriaki Umeda, Kenichi Okada 1981-03-03