Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921481 | Air classifier with specified truncated cone-like breather pipe | Akihiro Nakamura, Choichiro Tanigawa, Yutaka Tsujishita | 1999-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921481 | Air classifier with specified truncated cone-like breather pipe | Akihiro Nakamura, Choichiro Tanigawa, Yutaka Tsujishita | 1999-07-13 |