SK

Setuo Koike

IK Ishihara Sangyo Kaisha: 1 patents #244 of 403Top 65%
Overall (All Time): #3,885,546 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
5049309 Titania sol Masashi Sakamoto, Haruo Okuda, Yasuo Yamasaki 1991-09-17