Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471874 | Effluent treating method, an effluent treating apparatus, and a cleaning apparatus using the same | Jun Yamamoto, Akira Osawa, Yoichi Nagasaki | 2002-10-29 |
| 6428671 | Method and apparatus for electro-coagulation printing and electrode control unit | Akira Sogo, Masao Noro, Koji Toda | 2002-08-06 |
| 6386683 | Printing apparatus and printing method therefor | Koji Toda | 2002-05-14 |
| 6348938 | Electro-coagulation printer | Koji Toda | 2002-02-19 |