Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830863 | Multicolor image-forming material and method for forming multicolor image | Akihiro Shimomura, Kazuhito Miyake, Yasutomo Goto, Mitsuru Yamamoto | 2004-12-14 |
| 6824845 | Multicolor image-forming material and method for forming multicolor image | Akira Hatakeyama | 2004-11-30 |
| 6800589 | Image-forming material and image formation method | Mitsuru Yamamoto, Akira Hatakeyama, Susumu Sugiyama | 2004-10-05 |