Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092930 | Method for making insoluble heavy metals contained in fly ash discharged from incinerator | Yoshinari Fujisawa, Yuji Yoshii, Tsuneharu Miyachi | 1992-03-03 |
| 5092931 | Method for making insoluble heavy metals contained in fly ash discharged from incinerator | Yoshinari Fujisawa, Yuji Yoshii, Tsuneharu Miyachi | 1992-03-03 |