SK

Shinichi Kumagae

IC Ipposha Oil Industries Co.: 3 patents #1 of 16Top 7%
📍 Toyonaka, JP: #420 of 1,166 inventorsTop 40%
Overall (All Time): #1,652,345 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5458924 Method of imparting light resistance and ultraviolet-screening action to fibrous article Kazuto Kashiwai, Takaichi Yamamoto 1995-10-17
5264526 Stabilized acrylic fibers and polyurethane elastomer fibers and process for making same Kazuto Kashiwai, Michihira Endoh 1993-11-23
4466902 Rust inhibitor Tatsuo Manabe 1984-08-21