Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432876 | Image-recording medium containing self-developing leuco dye | Tatsuhiko Obayashi | 2002-08-13 |
| 6409328 | Method of forming images and material for image formation | — | 2002-06-25 |