Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833123 | Yellow dye-donor element used in thermal transfer and thermal transfer and thermal transfer sheet using it | Takashi Omura, Yasuyuki Suzuki, Yoshiaki Hayashi | 1989-05-23 |
| 4826505 | Monoazo pyridone compounds and application thereof for dyeing of hydrophobic fiber materials | Masao Nishikuri, Hideo Hattori | 1989-05-02 |