Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879502 | Speed control apparatus and method for motors | Tunehiro Endo, Nobuaki KATO, Kenichi Iizuka | 1989-11-07 |
| 4874053 | Torque detecting apparatus | Hiroshi Kimura, Shotaro Naito, Kunio Miyashita, Yasuo Noto, Noboru Sugiura +5 more | 1989-10-17 |