Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084903 | Method for melting incineration residue and apparatus therefor | Tsutomu Fukushima, Keisuke Nakahara, Tsuyoshi Nakao, Masahiro Sudou | 2000-07-04 |
| 5092930 | Method for making insoluble heavy metals contained in fly ash discharged from incinerator | Yoji Ohgaki, Yuji Yoshii, Tsuneharu Miyachi | 1992-03-03 |
| 5092931 | Method for making insoluble heavy metals contained in fly ash discharged from incinerator | Yoji Ohgaki, Yuji Yoshii, Tsuneharu Miyachi | 1992-03-03 |