ST

Satoshi Tanisaka

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,347,250 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4577151 Spark monitor device for current collectors Yoshihiro Michiguchi 1986-03-18
4303979 Frequency spectrum variation monitoring system Kanji Kato 1981-12-01