Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294268 | Metal containing waste water treatment method and metal containing waste water treatment equipment | Kazuyuki Yamasaki, Hiroyuki Ishibashi | 2007-11-13 |
| 6896800 | Metal containing waste water treatment method and metal containing waste water treatment equipment | Kazuyuki Yamasaki, Hiroyuki Ishibashi | 2005-05-24 |
| 6824684 | Wastewater treatment method and apparatus | Kazuyuki Yamasaki | 2004-11-30 |
| 6776903 | System for waste water treatment capable of saving energy and reducing suspended solids | Kazuyuki Yamasaki | 2004-08-17 |
| 6743353 | Method and apparatus for neutralizing alkaline wastewater without using mineral acids | Kazuyuki Yamasaki | 2004-06-01 |
| 6572771 | Waste water treatment method | Kazuyuki Yamasaki, Seiji Okamoto, Yukihiro Tao | 2003-06-03 |
| 6413417 | Waste water treatment apparatus | Kazuyuki Yamasaki, Seiji Okamoto, Yukihiro Tao | 2002-07-02 |
| 6344142 | Waste water treatment method and apparatus | Kazuyuki Yamasaki, Norio Sawai | 2002-02-05 |