Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759711 | Calcination apparatus for use in fluidized-bed burning installation for powdery raw material | Toshikazu Ichiyanagi, Kanzaburo Suto, Tamotsu Negishi, Yasuo Komatsu, Hiroshi Teshigawara +3 more | 1988-07-26 |
| 4717337 | Method for producing white cement clinker | Toshikazu Ichiyanagi, Kanzaburo Sudo, Zenzaburo Kawai, Hiroshi Teshigawara | 1988-01-05 |
| 4573908 | Method and apparatus for producing white cement clinker | Toshikazu Ichiyanagi, Kanzaburo Sudo, Zenzaburo Kawai, Hiroshi Teshigawara | 1986-03-04 |