TO

Takahiko Oasa

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,554,924 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6438243 Vibration wave detector Naoki Ikeuchi, Muneo Harada, Shoichi Fukui, Shigeru Ando, Kenji Tanaka 2002-08-20