Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178192 | Raw material heating apparatus | — | 2001-01-23 |
| 5899317 | Apparatus for pushing pulverized and/or lumpy objects | — | 1999-05-04 |
| 5769627 | Vertical type calcination kiln | Daizo Kunii | 1998-06-23 |
| 4626202 | Rotary kiln | Toshio Ikenaga, Akira Iwabuchi | 1986-12-02 |
| 4207061 | Top-shaped lime kiln | Toshio Ikenaga | 1980-06-10 |