Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863608 | Photocatalytic treatment of water for the preparation of ultra pure water | Tomoji Kawai, Yoshiharu Ohta | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863608 | Photocatalytic treatment of water for the preparation of ultra pure water | Tomoji Kawai, Yoshiharu Ohta | 1989-09-05 |