NU

Nobuyoshi Ushijima

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,313,605 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5012166 Control system for brushless DC motor Hiroshi Masuda, Akira Ishibashi, Masahiko Satou, Toshiyuki Haruna, Norikazu Takayama +1 more 1991-04-30
4984100 Magnetic disk apparatus Norikazu Takayama, Tetsuzo Kobashi, Masahiko Sato, Yoshihiko Yano, Jun Isozaki +2 more 1991-01-08