Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7109022 | Composition containing calcium carbonate particles dispersed in sulfur for removing nitrate nitrogen | Atsushi Yatagai, Tomomichi Gunji, Takuma Yabe, Toru Oishi | 2006-09-19 |