Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620610 | Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst | Tohru Ishii, Kiichiro Mitsui, Kunio Sano, Keniti Shishida | 1997-04-15 |