Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890880 | Heat-sensitive recording material | Naoto Yanagihara, Kazumori Minami | 2005-05-10 |
| 6864032 | Method for forming azo colorant using diazo compound and coupler having leaving group and recording material using the coupler | Mitsuyuki Tsurumi, Kazunori Nigorikawa | 2005-03-08 |