Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624550 | Process for treating sludge and system for the same | Masahiro Iji, Shin-ichi Suzuki, Kaoru Ishizuka, Sotoo Kubo, Isao Yamaki +1 more | 1997-04-29 |
| 5462672 | Process for treating sludge and system for the same | Masahiro Iji, Shin-ichi Suzuki, Kaoru Ishizuka, Sotoo Kubo, Isao Yamaki +1 more | 1995-10-31 |