Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7264733 | Method for treating heavy-metal-containing wastewater using sulfidizing agent | Toyokazu Matsunami | 2007-09-04 |
| 5766440 | Method for treating sludge precipitated in a plating bath containing haloid ions | Takayuki Ino, Takao Shimizu | 1998-06-16 |