Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477323 | System and method for continuously reprocessing waste sulfuric acid liquid, and heater supporting structure for heating a vessel made of glass | Kiyohito Koizumi, Hiroshi Osuda, Toru Matoba, Masataka Fukuizumi | 2002-11-05 |
| 6331256 | Treatment process for fluorine-containing water | Satoshi Kezuka | 2001-12-18 |
| 6277173 | System and method for discharging gas | Hiroshi Yoshinaga, Katsuhiro Ozaki | 2001-08-21 |