Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702594 | Apparatus for treatment of waste water and/or exhaust gases containing fluorine and surface active agents | Kazuyuki Yamasaki, Kazuyuki Sakata, Shirou Imazu | 1997-12-30 |
| 5680702 | Method for manufacturing ink jet heads | — | 1997-10-28 |