Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5849194 | Apparatus and method for treating waste water both chemically and biologically utilizing reaction fillers | Kazuyuki Yamasaki, Atsushi Yokotani, Kazuyuki Sakata, Hiroshi Makino | 1998-12-15 |