Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108565 | Method for removing harmful gas from refuse combustion exhaust gas | Sueo Machi, Shoichi Sato, Okihiro Tokunaga, Yasushi Aoki, Shouichi Suda +4 more | 1992-04-28 |
| 5092930 | Method for making insoluble heavy metals contained in fly ash discharged from incinerator | Yoshinari Fujisawa, Yoji Ohgaki, Yuji Yoshii | 1992-03-03 |
| 5092931 | Method for making insoluble heavy metals contained in fly ash discharged from incinerator | Yoshinari Fujisawa, Yoji Ohgaki, Yuji Yoshii | 1992-03-03 |
| 5009871 | Method of removing mercury in exhaust gases from a waster incinerator | Nariyoshi Higuchi, Miki Yamagishi | 1991-04-23 |