Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946425 | Multicolor image forming material and method for forming multicolor image | Susumu Sugiyama, Akihiro Shimomura, Akira Hatakeyama | 2005-09-20 |
| 6864033 | Multicolor image-forming material | Hideyuki Nakamura, Kazuhito Miyake, Shinichi Yoshinari, Akira Hatakeyama | 2005-03-08 |