Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960553 | Heat-sensitive recording material | Takahisa Kato, Hidetaka Tsukada, Shigetoshi Hiraishi, Kiichiro Wakamatsu, Katsuya Shito +1 more | 2005-11-01 |
| 6921740 | Electron-receiving compound and thermal recording material | Hidetaka Tsukada, Takahisa Kato, Katsuyoshi Takagi | 2005-07-26 |