Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7531934 | Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the same | Tomio Yoshikawa, Yasuro Ohishi, Akeshi Takahashi, Haruo Koharagi | 2009-05-12 |