Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770772 | Apparatus for separating and drying fine particles | Shiro Fujii, Takeo Saeki | 1988-09-13 |
| 4728423 | Plural cylindrical filter units with displacement support | — | 1988-03-01 |
| 4645596 | Filter apparatus | — | 1987-02-24 |
| 4522719 | Filter with a tubular filter element | Naojiro Sakamoto | 1985-06-11 |