Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624550 | Process for treating sludge and system for the same | Masahiro Iji, Masami Yoda, Shin-ichi Suzuki, Kaoru Ishizuka, Isao Yamaki +1 more | 1997-04-29 |
| 5462672 | Process for treating sludge and system for the same | Masahiro Iji, Masami Yoda, Shin-ichi Suzuki, Kaoru Ishizuka, Isao Yamaki +1 more | 1995-10-31 |
| 4209398 | Water treating process | Motohiko Ii, Yoshio Goto, Takashi Suzuki | 1980-06-24 |