Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8785625 | Compound having heterocyclic ring | Hideyuki Suzuki, Iwao Utsunomiya, Koichi Shudo | 2014-07-22 |
| 8148362 | Compound having heterocyclic ring | Hideyuki Suzuki, Iwao Utsunomiya, Koichi Shudo | 2012-04-03 |
| 7071144 | Thermal recording material | — | 2006-07-04 |
| 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 |
| 5498772 | Reversible heat-sensitive recording material | Jun Maruyama, Kazuyuki Iida, Koichi Torizuka, Hidekazu Sano, Mitsuhiro Ikeda | 1996-03-12 |