Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678401 | Energy supply system utilizing gas and steam turbines | — | 1997-10-21 |
| 5672223 | Method of recycling image-deposited recording material, and recording material for use with the recycling method | Hiroshi Kitazawa | 1997-09-30 |