Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643253 | Method and device for recovering hydrogen pulverized powder of raw-material alloy for rare-earth magnet | Shoji Nakayama, Kazuhiro Sonoda | 2017-05-09 |
| 8979973 | Method and device for recovering hydrogen pulverized powder of raw-material alloy for rare-earth magnet | Shoji Nakayama, Kazuhiro Sonoda | 2015-03-17 |