Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250846 | Apparatus for soil purification and remediation method for contaminated soil | Yuji Kawabata, Masatoshi Iio, Takeshi Handa | 2001-06-26 |
| 5906932 | Process for soil remediation and apparatus used therefor | Akira Kuriyama, Etsuko Sugawa, Yoshiyuki Touge, Masahiro Kawaguchi, Masatoshi Iio +1 more | 1999-05-25 |
| 5803664 | Process for remediating soil | Yuji Kawabata, Tetsuya Yano, Yoshiyuki Touge, Shinya Kozaki, Takeshi Imamura +2 more | 1998-09-08 |