Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972502 | Aeration-less water treatment apparatus | Masahiko Tsutsumi, Nobuyuki Ashikaga, Katsuya Yamamoto, Hiroshi Tamura | 2011-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972502 | Aeration-less water treatment apparatus | Masahiko Tsutsumi, Nobuyuki Ashikaga, Katsuya Yamamoto, Hiroshi Tamura | 2011-07-05 |