KK

Kazuto Kashiwai

IC Ipposha Oil Industries Co.: 2 patents #3 of 16Top 20%
Overall (All Time): #2,289,894 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5458924 Method of imparting light resistance and ultraviolet-screening action to fibrous article Takaichi Yamamoto, Shinichi Kumagae 1995-10-17
5264526 Stabilized acrylic fibers and polyurethane elastomer fibers and process for making same Michihira Endoh, Shinichi Kumagae 1993-11-23