JK

Joji Kamata

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,215,205 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6407676 Magnetostrictive resonator, road in which the resonator is buried and method of burying the resonator Yoshihiko Tanji, Toshihiro Yoshioka 2002-06-18
5281964 Traffic flow change monitoring system Hideaki Iida, Ko Itoh, Masahiro Kojima 1994-01-25