Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972511 | Anaerobic treatment method and anaerobic treatment apparatus | Takaaki Tokutomi | 2011-07-05 |
| 7332084 | Process for biological treatment of organic wastewater and apparatus therefor | Shigeki Fujishima | 2008-02-19 |
| 4762612 | Anaerobic fluidized bed apparatus | Mikio Kitagawa, Miwako Watanabe | 1988-08-09 |