Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479221 | Heat-developable image-recording material and method of developing the same | Kunio Ishigaki | 2002-11-12 |
| 6479227 | Thermographic recording elements | Naohiro Nakayama | 2002-11-12 |