Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423228 | Treating fluorine waste water containing organic matter, phosphor and hydrogen peroxide | Kazuyuki Yamasaki, Kazuyuki Sakata | 2002-07-23 |
| 6375837 | Waste water treatment method being able to treat surface active agent, nitrogen, hydrogen peroxide and phosphor with high efficiency and equipment therefor | Kazuyuki Yamasaki, Shigeki Matsumoto | 2002-04-23 |