Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081194 | Method for treating ETA-containing wastewater | Kimio Sakai, Seigo Ichikawa | 2006-07-25 |
| 5613239 | Method and apparatus for decomposing organic solutions composed of chelating solutions and/or organic acids containing radioactive metal ions and collection method and apparatus using the same | Hiroshi Obinata, Seigo Ichikawa | 1997-03-18 |