IU

Ikuko Umezawa

SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
SL Sri Sports Limited: 1 patents #123 of 176Top 70%
📍 Kasai, JP: #2,179 of 5,842 inventorsTop 40%
Overall (All Time): #1,568,668 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7712231 Shoe Tetsuo Yamaguchi, Kunio Niwa, Toshihiro Horii, Koichi Fujisawa 2010-05-11
6793996 Shoes — 2004-09-21
6335392 Outsole of shoes Akihiro Nakahara 2002-01-01