Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137542 | Water treatment system | Norimitsu Abe, Seiichi Murayama, Takeshi Ide, Akira Morikawa | 2012-03-20 |
| 7838845 | Ultraviolet irradiation water treatment apparatus | Norimitsu Abe, Takeshi Ide, Takahiro Soma, Seiichi Murayama, Masao Kaneko +2 more | 2010-11-23 |
| 7014752 | Water treatment control system for minimizing trihalomethane formation | Seiichi Murayama, Futoshi Kurokawa, Masao Kaneko, Kotaro Iyasu, Kenji Taguchi +4 more | 2006-03-21 |
| 6638421 | Water treatment control system using fluorescence analyzer | Seiichi Murayama, Futoshi Kurokawa, Masao Kaneko, Kotaro Iyasu, Kenji Taguchi +4 more | 2003-10-28 |