Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257742 | Ultrafine grinding mill of which fed material flows down through an agitated bed composed of small grinding medium | Saburoh Yashima, Hiroyuki Takahashi, Manabu Abe | 1993-11-02 |