Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379416 | Method and device for melt-treating incineration residue containing salts | Keisuke Nakahara, Satoshi Matsui | 2002-04-30 |
| 6022514 | Method for recovering phosphorus from organic sludge | Keisuke Nakahara, Yasushi Hoshino, Satoshi Matsui | 2000-02-08 |