Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309049 | Alternating current magnetic levitation transport system | Noriyuki Kawada, Motomi Nakashima, Jin Yamada | 1994-05-03 |
| 5180048 | Magnetic levitating transportation system | Noriyuki Kawada, Motomi Nakashima, Jin Yamada, Akitami Kaneko | 1993-01-19 |
| 5163546 | AC magnetic floating conveyor and operation method thereof | Noriyuki Kawada, Motomi Nakashima, Jin Yamada, Akitami Kaneko | 1992-11-17 |
| 4795927 | Control system for a magnetic type bearing | Keiichi Katayama | 1989-01-03 |
| 4660838 | Vibration suppressing sealing device for a rotary machine | Kazuso Katayama, Yasushi Mori, Hiroshi Kanki, Koji Takeshita, Yutaka Ozawa +1 more | 1987-04-28 |