Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8581136 | Method of manufacturing by electric discharge machining an impeller for centrifugal rotating machine | Toyoaki Yasui, Akinori Tasaki, Eizaburo Tanaka, Takashi Maehara | 2013-11-12 |