Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106726 | Method of treating sludge containing arsenic | Hiroshi Fujita, Taku Shimizu, Mamoru Yokose | 2000-08-22 |
| 5879945 | Method for measuring oxidation-reduction potential in a flue gas desulfurization process | Susumu Okino, Hiroshi Tanaka | 1999-03-09 |
| 5840194 | Process for treating arsenic-containing waste water | Mamoru Yokose, Hiroshi Fujita, Hiroshi Baba, Hideki Kamiyoshi, Ranko Shikai | 1998-11-24 |
| 5766563 | Method for controlling the oxidation of sulfites in a flue gas desulfurization process | Hiroshi Tanaka, Susumu Okino | 1998-06-16 |
| 5756052 | Flue gas treatment system | Hiroshi Suzumura, Yasuyuki Ogushi, Naohiko Ukawa, Masao Hino, Nobuo Kojima +2 more | 1998-05-26 |