Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804076 | Method for treatment of waste water and/or exhaust gases containing flourine and surface active agents | Kazuyuki Yamasaki, Masaki Kataoka, Kazuyuki Sakata | 1998-09-08 |
| 5702594 | Apparatus for treatment of waste water and/or exhaust gases containing fluorine and surface active agents | Kazuyuki Yamasaki, Masaki Kataoka, Kazuyuki Sakata | 1997-12-30 |
| 5702604 | Apparatus and method for waste water treatment utilizing granular sludge | Kazuyuki Yamasaki, Atsushi Yokotani | 1997-12-30 |
| 5676836 | Method for waste water treatment using charcoal biologically activated | Kazuyuki Yamasaki, Takashi Fujiwara | 1997-10-14 |
| 5599443 | Apparatus for waste water treatment using charcoal biologically activated | Kazuyuki Yamasaki, Takashi Fujiwara | 1997-02-04 |
| 5578214 | Apparatus and method for waste water treatment utilizing aerobic and anaerobic microorganisms and capable of exhaust gas treatment | Kazuyuki Yamasaki, Masaki Kataoka, Kenji Matuura | 1996-11-26 |