Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620931 | Three phase fluidized bed water purifying process | Akira Hirata, Hajime Nagayama, Akinori Watanabe, Kenji Shimaji | 1986-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620931 | Three phase fluidized bed water purifying process | Akira Hirata, Hajime Nagayama, Akinori Watanabe, Kenji Shimaji | 1986-11-04 |