SK

Syunsaku Koga

CC Central Japan Railway Comany: 2 patents #68 of 313Top 25%
RI Railway Technical Research Institute: 2 patents #23 of 233Top 10%
Overall (All Time): #2,198,469 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6518718 Speed electromotive force phase control system adapted to low speed Junichi Kitano 2003-02-11
6515440 Departure control system using simulated phase Junichi Kitano 2003-02-04