Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212548 | Apparatus and method for treating sludge deposits | Masao Miyaguchi, Tateo Kawamura, Kazuyoshi Nakanishi | 1980-07-15 |
| 4189239 | Apparatus treating sludge deposits | Masao Miyaguchi, Tateo Kawamura, Kazuyoshi Nakanishi | 1980-02-19 |