Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7553394 | Method for removing potassium from ash produced in a kraft pulping process recovery boiler using a Na-type cation exchange organic resin | Saburo Furusho, Shigeru Wakamoto | 2009-06-30 |
| 5393421 | Apparatus for activating silicic acid in water | Takeo Ohe | 1995-02-28 |