SN

Seiichi Narushima

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
📍 Naka, JP: #47 of 152 inventorsTop 35%
Overall (All Time): #891,017 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5298841 Apparatus for controlling the speed of a moving object Hiroshi Katayama, Fumio Tajima, Taizo Miyazaki, Shigeki Morinaga, Nobuyoshi Mutoh +4 more 1994-03-29
5175479 Moving body position control apparatus and signal reproducing apparatus Fumio Tajima, Hiroshi Katayama, Taizou Miyazaki, Shigeki Morinaga, Nobuyoshi Mutoh 1992-12-29
5023924 Speed control apparatus for movable equipment Fumio Tajima, Hiroshi Katayama, Kunio Miyashita, Shigeki Morinaga 1991-06-11
4980617 Speed control apparatus of movable equipment Fumio Tajima, Hiroshi Katayama, Tunehiro Endo, Kunio Miyashita, Jun Ohya +1 more 1990-12-25
4918346 Low ripple-torque permanent magnet brushless motor Fumio Tajima, Nicolas Samman, Kunio Miyashita, Hiroshi Katayama, Motoya Ito +1 more 1990-04-17
4914361 Method and apparatus for controlling the speed of moving body Fumio Tajima, Hiroshi Katayama, Kunio Miyashita, Kouichi Saito 1990-04-03