Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212548 | Apparatus and method for treating sludge deposits | Tateo Kawamura, Kazuyoshi Nakanishi, Shoji Kohno | 1980-07-15 |
| 4190372 | Apparatus for treatment of sludge deposit | Atsushi Takagi, Hiroyuki Kuroiwa, Mitsuo Miura, Teruo Mizuhata, Takefumi Ito +1 more | 1980-02-26 |
| 4189239 | Apparatus treating sludge deposits | Tateo Kawamura, Kazuyoshi Nakanishi, Shoji Kohno | 1980-02-19 |