SM

Shigemichi Matsuka

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,346,037 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4563623 Motor speed control apparatus 1986-01-07
4240147 Gauge control method and system for rolling mill Yasuo Morooka, Shinya Tanifuji 1980-12-16