Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460744 | Agents used for improving the bottom and water quality in water areas where sludge is deposited | Michiharu Kobayashi, Chihiro Uchida, Koji Kuroda, Shigeru Toda | 1995-10-24 |