Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447271 | Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor | Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more | 2002-09-10 |