Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006905 | Separating apparatus of transfer material | — | 1991-04-09 |
| 4863608 | Photocatalytic treatment of water for the preparation of ultra pure water | Tomoji Kawai, Yoshiharu Ohta | 1989-09-05 |