Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691268 | Waste gas/wastewater treatment equipment and method of treating waste gas/wastewater | Kazuyuki Yamasaki, Kazumi Chuhjoh | 2010-04-06 |
| 7641802 | Wastewater treatment method and wastewater treatment equipment | Kazuyuki Yamasaki, Kazumi Chuhjoh, Kohji Ohoka | 2010-01-05 |
| 7625484 | Water treatment apparatus | Kazuyuki Yamasaki, Kazumi Chuhjoh | 2009-12-01 |
| 7578942 | Wastewater treatment equipment and method of wastewater treatment | Kazuyuki Yamasaki, Kazumi Chuhjoh | 2009-08-25 |
| 7329341 | Wastewater treatment device | Kazuyuki Yamasaki, Kazumi Chuhjoh | 2008-02-12 |