Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841212 | Electromagnetic bearing control apparatus | Osami Matsushita, Michiyuki Takagi, Mitsuho Yoneyama, Ikuhiro Saito | 1989-06-20 |
| 4697128 | Control apparatus for a rotor supported by an electromagnetic bearing | Osami Matsushita, Michiyuki Takagi, Mitsuho Yoneyama | 1987-09-29 |