Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10106440 | Membrane separation device | Hidetoshi Masutani | 2018-10-23 |
| 10071924 | Diffusion pipe and method for cleaning diffusion pipe | Kazuo Nanri | 2018-09-11 |
| 10040701 | Membrane separation device | Hidetoshi Masutani | 2018-08-07 |
| 9873089 | Method for lifting membrane separation apparatus | Tadao Shinkai | 2018-01-23 |