TK

Tetsuya Kannon

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,222,453 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6181839 Two-dimensional code reader Yoshihiro Kojima, Katsushi Inoue, Keiichi Kobayashi 2001-01-30
6081627 Two-dimensional code reader Yoshihiro Kojima, Katsushi Inoue, Keiichi Kobayashi 2000-06-27