Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252103 | Pigmenting of cellulose textiles: treatment with cationic compound and immersion in aqueous pigment dispersion | Masayasu Kamata, Osamu Sasaki, Tatsuya Maeda | 1993-10-12 |
| 5221288 | Thermochromic dyeing method and cellulose product dyed thereby | Kazumasa Kamada, Osamu Sasaki, Tatsuya Maeda | 1993-06-22 |