Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592061 | Roll crusher | Noriaki Nakamura, Akira Matsuo, Kenichiro Dan, Yasutaka Yamamoto | 2003-07-15 |
| 5984214 | Multiaxes roll type of crusher | Hiroshi Nakayama | 1999-11-16 |
| 5639030 | Vertical shaft impact crusher and operating method therefor | Hiroshi Nakayama | 1997-06-17 |
| 5497951 | Rotor blade structure for vertical shaft impact crusher | — | 1996-03-12 |
| 5323974 | Vertical shaft impact crusher | — | 1994-06-28 |
| 4844354 | Centrifugal refining crusher | — | 1989-07-04 |