Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168721 | Process for the treatment of arsenic-containing sludge | Satoru Sugita, Taku Shimizu, Koichiro Iwashita, Hiroshi Baba, Morikata Nishida | 2001-01-02 |
| 6076369 | Evaporative concentration apparatus for waste water | Eiji Ochi, Takeo Shinoda, Atsushi Yoshioka, Atsumasa Endo | 2000-06-20 |
| 5840194 | Process for treating arsenic-containing waste water | Mamoru Yokose, Hiroshi Fujita, Koosoo Tao, Hiroshi Baba, Ranko Shikai | 1998-11-24 |